Jefferson Products
The trusted authority in dry-type transformers
Jefferson has been providing innovative transformer and reactor products since 1915. We have a longstanding
tradition of meeting the highest industry standards for quality, durability, and reliability in the commercial,
industrial, and OEM markets. Our products are supported by a rigorous ISO-based quality assurance system, and
each unit undergoes thorough testing before leaving the plant to ensure proper operation.
All products are designed to comply with the relevant NEMA, ANSI, UL, and CSA standards.
Industries Served
Solar
Data Center
Commercial & Industrial
Utilities
Renewable Energy
Product
General Purpose: 15 – 1,650 kVA
Application
For all general loads, indoors or out, including lighting, industrial and commercial
Specifications
– Meets DOE-2016 and NRCan-2019 standards for energy efficiency
– Cores of high quality electrical steel
– NEMA 3R rated enclosures standard – Heat-cured ASA-61gray powder coat finish
– 60 Hz operation
– Aluminum windings
– Primary taps on most units
– 150°C temperature rise
– 220°C insulation class standard
Features, Functions, Benefits
– Large connection compartment for ease of wiring and installation
– Quiet operation for installation flexibility
– Seismic certification for all units through 333 kVA
Standards
Built in accordance with NEMA, ANSI, UL and CSA standards
Options and Accessories
– Other sizes, voltages and temperature rises available
– CE Marked units available as custom
– Wall brackets available for units up to 75 kVA
– NEMA 3R-rated enclosure with weathershields
Ventilated Transformers
With over 100 years of expertise, Jefferson Electric delivers reliable, energy-efficient dry-type transformers for low- and medium-voltage applications. Trusted across data centers, commercial, industrial, and renewable sectors, our transformers are built to meet strict standards — and backed by expert support every step of the way.
Single-Phase Ventilated Transformers
Products
- General Purpose: 15 – 1,650 kVA
Applications
- For all general loads, indoors or out
- Including lighting, industrial and commercial applications
Specifications
- Meets DOE-2016 and NRCan-2019 standards for energy efficiency
- Cores of high quality electrical steel
- NEMA 3R rated enclosures standard
- Heat-cured ASA-61 gray powder coat finish
- 60 Hz operation
- Aluminum windings
- Primary taps on most units
- 150°C temperature rise
- 220°C insulation class standard
Features, Functions, Benefits
- Large connection compartment for ease of wiring and installation
- Quiet operation for installation flexibility
- Seismic certification for all units through 333 kVA
Standards
- Built in accordance with NEMA, ANSI, UL and CSA standards
Options and Accessories
- Other sizes, voltages and temperature rises available
- CE Marked units available as custom
- Wall brackets available for units up to 75 kVA
- NEMA 3R-rated enclosure with weathershields
Three-Phase Ventilated Transformers
Products
- General Purpose: 15 – 1,650 kVA
Applications
- Products
- General Purpose: 15 – 1,650 kVA
Applications
- For all general loads, indoors or out, including lighting, industrial and commercial applications
Information Sheet
Catalog Section: 1
Specifications
- Cores of high quality electrical steel
- Meets DOE-2016 and NRCan-2019 standards for energy efficiency
- NEMA 3R-rated enclosures standard
- Heat-cured ASA-61 gray powder coat finish
- 60 Hz operation
- Aluminum windings
- Primary taps on most units
- 150°C temperature rise
- 220°C insulation class
Features, Functions, Benefits
- Compact design for easier handling and installation
- Large connection compartment for ease of wiring and installation
- Quiet operation for installation flexibility
- Hassle-free front cover installation
- Taps provided on primary to compensate for voltage variations
- Seismic certification for all units through 1,000 kVA
Standards
- Meets NRCan C802 2019 requirements for energy efficiency
- January 1, 2018 Ontario requirements
- Canada-wide May 1, 2019 requirements
- Built in accordance with NEMA, ANSI, UL and CSA standards
Options and Accessories
- Other sizes and voltages available as custom
- CE Marked units available as custom
- Wall mount brackets available for units up to 75 kVA
>For all general loads, indoors or out
- Including lighting, industrial and commercial applications
Specifications
- Meets DOE-2016 and NRCan-2019 standards for energy efficiency
- Cores of high quality electrical steel
- NEMA 3R rated enclosures standard
- Heat-cured ASA-61 gray powder coat finish
- 60 Hz operation
- Aluminum windings
- Primary taps on most units
- 150°C temperature rise
- 220°C insulation class standard
Features, Functions, Benefits
- Large connection compartment for ease of wiring and installation
- Quiet operation for installation flexibility
- Seismic certification for all units through 333 kVA
Standards
- Built in accordance with NEMA, ANSI, UL and CSA standards
Options and Accessories
- Other sizes, voltages and temperature rises available
- CE Marked units available as custom
- Wall brackets available for units up to 75 kVA
- NEMA 3R-rated enclosure with weathershields
Drive Isolated Transformers
Products
- Three-Phase Encapsulated: 3 – 11 kVA
- Three-Phase Ventilated: 14 – 990 kVA
Applications
- For industrial and commercial applications with SCR-controlled adjustable speed motor drives
- AC adjustable frequency or DC drives
Information Sheet
Catalog Section: 1Specifications
- Sized to match standard drive loads
- Cores of high quality electrical steel
- NEMA 3R-rated enclosures standard on 3 – 11 kVA units
- NEMA 1-rated enclosures standard on 14 – 990 kVA units, convertible to 3R with optional weather shield kit
- Heat-cured ASA-61 gray powder coat finish
- Electrostatically shielded
- 150°C temperature rise standard
- 220°C insulation class units
Features, Functions, Benefits
- Large connection compartment for ease of wiring and installation
- Internally braced for short circuit stress protection
- Low impedance for better voltage regulation
- Low flux density to minimize core saturation
- Primary tap arrangements provided to compensate for input voltage variation
- Quiet operation for installation flexibility
- Seismic certification for all units
Standards
- Built in accordance with NEMA, ANSI, UL and CSA standards
- Meets NRCan-2019 standards for Canada
Options and Accessories
- CE Marked units available as custom
- Wall mount brackets available for units up to 75 kVA
- Weathershields available on units 14 kVA and larger
Totally Enclosed Non-Ventilated Transformers
Products
- Three-Phase Encapsulated: 3 – 11 kVA
- Three-Phase Ventilated: 14 – 990 kVA
Applications
- For industrial and commercial applications with SCR-controlled adjustable speed motor drives
- AC adjustable frequency or DC drives
Information Sheet
Catalog Section: 1Specifications
- Sized to match standard drive loads
- Cores of high quality electrical steel
- NEMA 3R-rated enclosures standard on 3 – 11 kVA units
- NEMA 1-rated enclosures standard on 14 – 990 kVA units, convertible to 3R with optional weather shield kit
- Heat-cured ASA-61 gray powder coat finish
- Electrostatically shielded
- 150°C temperature rise standard
- 220°C insulation class units
Features, Functions, Benefits
- Large connection compartment for ease of wiring and installation
- Internally braced for short circuit stress protection
- Low impedance for better voltage regulation
- Low flux density to minimize core saturation
- Primary tap arrangements provided to compensate for input voltage variation
- Quiet operation for installation flexibility
- Seismic certification for all units
Standards
- Built in accordance with NEMA, ANSI, UL and CSA standards
- Meets NRCan-2019 standards for Canada
Options and Accessories
- CE Marked units available as custom
- Wall mount brackets available for units up to 75 kVA
- Weathershields available on units 14 kVA and larger
Non-Linear Transformers
Products
- Three-Phase Encapsulated: 3 – 11 kVA
- Three-Phase Ventilated: 14 – 990 kVA
Applications
- For industrial and commercial applications with SCR-controlled adjustable speed motor drives
- AC adjustable frequency or DC drives
Information Sheet
Catalog Section: 1Specifications
- Sized to match standard drive loads
- Cores of high quality electrical steel
- NEMA 3R-rated enclosures standard on 3 – 11 kVA units
- NEMA 1-rated enclosures standard on 14 – 990 kVA units, convertible to 3R with optional weather shield kit
- Heat-cured ASA-61 gray powder coat finish
- Electrostatically shielded
- 150°C temperature rise standard
- 220°C insulation class units
Features, Functions, Benefits
- Large connection compartment for ease of wiring and installation
- Internally braced for short circuit stress protection
- Low impedance for better voltage regulation
- Low flux density to minimize core saturation
- Primary tap arrangements provided to compensate for input voltage variation
- Quiet operation for installation flexibility
- Seismic certification for all units
Standards
- Built in accordance with NEMA, ANSI, UL and CSA standards
- Meets NRCan-2019 standards for Canada
Options and Accessories
- CE Marked units available as custom
- Wall mount brackets available for units up to 75 kVA
- Weathershields available on units 14 kVA and larger
Harmonic Mitigating/Zig-Zag Transformers
Products
- Three-Phase Encapsulated: 3 – 11 kVA
- Three-Phase Ventilated: 14 – 990 kVA
Applications
- For industrial and commercial applications with SCR-controlled adjustable speed motor drives
- AC adjustable frequency or DC drives
Information Sheet
Catalog Section: 1Specifications
- Sized to match standard drive loads
- Cores of high quality electrical steel
- NEMA 3R-rated enclosures standard on 3 – 11 kVA units
- NEMA 1-rated enclosures standard on 14 – 990 kVA units, convertible to 3R with optional weather shield kit
- Heat-cured ASA-61 gray powder coat finish
- Electrostatically shielded
- 150°C temperature rise standard
- 220°C insulation class units
Features, Functions, Benefits
- Large connection compartment for ease of wiring and installation
- Internally braced for short circuit stress protection
- Low impedance for better voltage regulation
- Low flux density to minimize core saturation
- Primary tap arrangements provided to compensate for input voltage variation
- Quiet operation for installation flexibility
- Seismic certification for all units
Standards
- Built in accordance with NEMA, ANSI, UL and CSA standards
- Meets NRCan-2019 standards for Canada
Options and Accessories
- CE Marked units available as custom
- Wall mount brackets available for units up to 75 kVA
- Weathershields available on units 14 kVA and larger
Harmonic Suppression System (HSS™)
Products
- Three-Phase Encapsulated: 3 – 11 kVA
- Three-Phase Ventilated: 14 – 990 kVA
Applications
- For industrial and commercial applications with SCR-controlled adjustable speed motor drives
- AC adjustable frequency or DC drives
Information Sheet
Catalog Section: 1Specifications
- Sized to match standard drive loads
- Cores of high quality electrical steel
- NEMA 3R-rated enclosures standard on 3 – 11 kVA units
- NEMA 1-rated enclosures standard on 14 – 990 kVA units, convertible to 3R with optional weather shield kit
- Heat-cured ASA-61 gray powder coat finish
- Electrostatically shielded
- 150°C temperature rise standard
- 220°C insulation class units
Features, Functions, Benefits
- Large connection compartment for ease of wiring and installation
- Internally braced for short circuit stress protection
- Low impedance for better voltage regulation
- Low flux density to minimize core saturation
- Primary tap arrangements provided to compensate for input voltage variation
- Quiet operation for installation flexibility
- Seismic certification for all units
Standards
- Built in accordance with NEMA, ANSI, UL and CSA standards
- Meets NRCan-2019 standards for Canada
Options and Accessories
- CE Marked units available as custom
- Wall mount brackets available for units up to 75 kVA
- Weathershields available on units 14 kVA and larger
18 Pulse Transformers
Products
- Three-Phase Encapsulated: 3 – 11 kVA
- Three-Phase Ventilated: 14 – 990 kVA
Applications
- For industrial and commercial applications with SCR-controlled adjustable speed motor drives
- AC adjustable frequency or DC drives
Information Sheet
Catalog Section: 1Specifications
- Sized to match standard drive loads
- Cores of high quality electrical steel
- NEMA 3R-rated enclosures standard on 3 – 11 kVA units
- NEMA 1-rated enclosures standard on 14 – 990 kVA units, convertible to 3R with optional weather shield kit
- Heat-cured ASA-61 gray powder coat finish
- Electrostatically shielded
- 150°C temperature rise standard
- 220°C insulation class units
Features, Functions, Benefits
- Large connection compartment for ease of wiring and installation
- Internally braced for short circuit stress protection
- Low impedance for better voltage regulation
- Low flux density to minimize core saturation
- Primary tap arrangements provided to compensate for input voltage variation
- Quiet operation for installation flexibility
- Seismic certification for all units
Standards
- Built in accordance with NEMA, ANSI, UL and CSA standards
- Meets NRCan-2019 standards for Canada
Options and Accessories
- CE Marked units available as custom
- Wall mount brackets available for units up to 75 kVA
- Weathershields available on units 14 kVA and larger
Seismic Qualified Transformers
Products
- Three-Phase Encapsulated: 3 – 11 kVA
- Three-Phase Ventilated: 14 – 990 kVA
Applications
- For industrial and commercial applications with SCR-controlled adjustable speed motor drives
- AC adjustable frequency or DC drives
Information Sheet
Catalog Section: 1Specifications
- Sized to match standard drive loads
- Cores of high quality electrical steel
- NEMA 3R-rated enclosures standard on 3 – 11 kVA units
- NEMA 1-rated enclosures standard on 14 – 990 kVA units, convertible to 3R with optional weather shield kit
- Heat-cured ASA-61 gray powder coat finish
- Electrostatically shielded
- 150°C temperature rise standard
- 220°C insulation class units
Features, Functions, Benefits
- Large connection compartment for ease of wiring and installation
- Internally braced for short circuit stress protection
- Low impedance for better voltage regulation
- Low flux density to minimize core saturation
- Primary tap arrangements provided to compensate for input voltage variation
- Quiet operation for installation flexibility
- Seismic certification for all units
Standards
- Built in accordance with NEMA, ANSI, UL and CSA standards
- Meets NRCan-2019 standards for Canada
Options and Accessories
- CE Marked units available as custom
- Wall mount brackets available for units up to 75 kVA
- Weathershields available on units 14 kVA and larger
Encapsulated Transformers
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Three-Phase Encapsulated Transformers
Products
- General Purpose: 15 – 1,650 kVA
Applications
- For all general loads, indoors or out
- Including lighting, industrial and commercial applications
Specifications
- Meets DOE-2016 and NRCan-2019 standards for energy efficiency
- Cores of high quality electrical steel
- NEMA 3R rated enclosures standard
- Heat-cured ASA-61 gray powder coat finish
- 60 Hz operation
- Aluminum windings
- Primary taps on most units
- 150°C temperature rise
- 220°C insulation class standard
Features, Functions, Benefits
- Large connection compartment for ease of wiring and installation
- Quiet operation for installation flexibility
- Seismic certification for all units through 333 kVA
Standards
- Built in accordance with NEMA, ANSI, UL and CSA standards
Options and Accessories
- Other sizes, voltages and temperature rises available
- CE Marked units available as custom
- Wall brackets available for units up to 75 kVA
- NEMA 3R-rated enclosure with weathershields
Three-Phase Ventilated Transformers
Products
- General Purpose: 15 – 1,650 kVA
Applications
- Products
- General Purpose: 15 – 1,650 kVA
Applications
- For all general loads, indoors or out, including lighting, industrial and commercial applications
Information Sheet
Catalog Section: 1
Specifications
- Cores of high quality electrical steel
- Meets DOE-2016 and NRCan-2019 standards for energy efficiency
- NEMA 3R-rated enclosures standard
- Heat-cured ASA-61 gray powder coat finish
- 60 Hz operation
- Aluminum windings
- Primary taps on most units
- 150°C temperature rise
- 220°C insulation class
Features, Functions, Benefits
- Compact design for easier handling and installation
- Large connection compartment for ease of wiring and installation
- Quiet operation for installation flexibility
- Hassle-free front cover installation
- Taps provided on primary to compensate for voltage variations
- Seismic certification for all units through 1,000 kVA
Standards
- Meets NRCan C802 2019 requirements for energy efficiency
- January 1, 2018 Ontario requirements
- Canada-wide May 1, 2019 requirements
- Built in accordance with NEMA, ANSI, UL and CSA standards
Options and Accessories
- Other sizes and voltages available as custom
- CE Marked units available as custom
- Wall mount brackets available for units up to 75 kVA
>For all general loads, indoors or out
- Including lighting, industrial and commercial applications
Specifications
- Meets DOE-2016 and NRCan-2019 standards for energy efficiency
- Cores of high quality electrical steel
- NEMA 3R rated enclosures standard
- Heat-cured ASA-61 gray powder coat finish
- 60 Hz operation
- Aluminum windings
- Primary taps on most units
- 150°C temperature rise
- 220°C insulation class standard
Features, Functions, Benefits
- Large connection compartment for ease of wiring and installation
- Quiet operation for installation flexibility
- Seismic certification for all units through 333 kVA
Standards
- Built in accordance with NEMA, ANSI, UL and CSA standards
Options and Accessories
- Other sizes, voltages and temperature rises available
- CE Marked units available as custom
- Wall brackets available for units up to 75 kVA
- NEMA 3R-rated enclosure with weathershields
Pool & Spa Lighting Transformers
Products
- Three-Phase Encapsulated: 3 – 11 kVA
- Three-Phase Ventilated: 14 – 990 kVA
Applications
- For industrial and commercial applications with SCR-controlled adjustable speed motor drives
- AC adjustable frequency or DC drives
Information Sheet
Catalog Section: 1Specifications
- Sized to match standard drive loads
- Cores of high quality electrical steel
- NEMA 3R-rated enclosures standard on 3 – 11 kVA units
- NEMA 1-rated enclosures standard on 14 – 990 kVA units, convertible to 3R with optional weather shield kit
- Heat-cured ASA-61 gray powder coat finish
- Electrostatically shielded
- 150°C temperature rise standard
- 220°C insulation class units
Features, Functions, Benefits
- Large connection compartment for ease of wiring and installation
- Internally braced for short circuit stress protection
- Low impedance for better voltage regulation
- Low flux density to minimize core saturation
- Primary tap arrangements provided to compensate for input voltage variation
- Quiet operation for installation flexibility
- Seismic certification for all units
Standards
- Built in accordance with NEMA, ANSI, UL and CSA standards
- Meets NRCan-2019 standards for Canada
Options and Accessories
- CE Marked units available as custom
- Wall mount brackets available for units up to 75 kVA
- Weathershields available on units 14 kVA and larger
Class 1 Division 2 Transformers
Products
- Three-Phase Encapsulated: 3 – 11 kVA
- Three-Phase Ventilated: 14 – 990 kVA
Applications
- For industrial and commercial applications with SCR-controlled adjustable speed motor drives
- AC adjustable frequency or DC drives
Information Sheet
Catalog Section: 1Specifications
- Sized to match standard drive loads
- Cores of high quality electrical steel
- NEMA 3R-rated enclosures standard on 3 – 11 kVA units
- NEMA 1-rated enclosures standard on 14 – 990 kVA units, convertible to 3R with optional weather shield kit
- Heat-cured ASA-61 gray powder coat finish
- Electrostatically shielded
- 150°C temperature rise standard
- 220°C insulation class units
Features, Functions, Benefits
- Large connection compartment for ease of wiring and installation
- Internally braced for short circuit stress protection
- Low impedance for better voltage regulation
- Low flux density to minimize core saturation
- Primary tap arrangements provided to compensate for input voltage variation
- Quiet operation for installation flexibility
- Seismic certification for all units
Standards
- Built in accordance with NEMA, ANSI, UL and CSA standards
- Meets NRCan-2019 standards for Canada
Options and Accessories
- CE Marked units available as custom
- Wall mount brackets available for units up to 75 kVA
- Weathershields available on units 14 kVA and larger
Buck Boost Transformers
Products
- Three-Phase Encapsulated: 3 – 11 kVA
- Three-Phase Ventilated: 14 – 990 kVA
Applications
- For industrial and commercial applications with SCR-controlled adjustable speed motor drives
- AC adjustable frequency or DC drives
Information Sheet
Catalog Section: 1Specifications
- Sized to match standard drive loads
- Cores of high quality electrical steel
- NEMA 3R-rated enclosures standard on 3 – 11 kVA units
- NEMA 1-rated enclosures standard on 14 – 990 kVA units, convertible to 3R with optional weather shield kit
- Heat-cured ASA-61 gray powder coat finish
- Electrostatically shielded
- 150°C temperature rise standard
- 220°C insulation class units
Features, Functions, Benefits
- Large connection compartment for ease of wiring and installation
- Internally braced for short circuit stress protection
- Low impedance for better voltage regulation
- Low flux density to minimize core saturation
- Primary tap arrangements provided to compensate for input voltage variation
- Quiet operation for installation flexibility
- Seismic certification for all units
Standards
- Built in accordance with NEMA, ANSI, UL and CSA standards
- Meets NRCan-2019 standards for Canada
Options and Accessories
- CE Marked units available as custom
- Wall mount brackets available for units up to 75 kVA
- Weathershields available on units 14 kVA and larger
Industrial Control Transformers
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Industrial control transformers
Products
- General Purpose: 15 – 1,650 kVA
Applications
- For all general loads, indoors or out
- Including lighting, industrial and commercial applications
Specifications
- Meets DOE-2016 and NRCan-2019 standards for energy efficiency
- Cores of high quality electrical steel
- NEMA 3R rated enclosures standard
- Heat-cured ASA-61 gray powder coat finish
- 60 Hz operation
- Aluminum windings
- Primary taps on most units
- 150°C temperature rise
- 220°C insulation class standard
Features, Functions, Benefits
- Large connection compartment for ease of wiring and installation
- Quiet operation for installation flexibility
- Seismic certification for all units through 333 kVA
Standards
- Built in accordance with NEMA, ANSI, UL and CSA standards
Options and Accessories
- Other sizes, voltages and temperature rises available
- CE Marked units available as custom
- Wall brackets available for units up to 75 kVA
- NEMA 3R-rated enclosure with weathershields
Medium voltage transformers
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Medium Voltage Transformers
Products
- General Purpose: 15 – 1,650 kVA
Applications
- For all general loads, indoors or out
- Including lighting, industrial and commercial applications
Specifications
- Meets DOE-2016 and NRCan-2019 standards for energy efficiency
- Cores of high quality electrical steel
- NEMA 3R rated enclosures standard
- Heat-cured ASA-61 gray powder coat finish
- 60 Hz operation
- Aluminum windings
- Primary taps on most units
- 150°C temperature rise
- 220°C insulation class standard
Features, Functions, Benefits
- Large connection compartment for ease of wiring and installation
- Quiet operation for installation flexibility
- Seismic certification for all units through 333 kVA
Standards
- Built in accordance with NEMA, ANSI, UL and CSA standards
Options and Accessories
- Other sizes, voltages and temperature rises available
- CE Marked units available as custom
- Wall brackets available for units up to 75 kVA
- NEMA 3R-rated enclosure with weathershields
Medium Voltage Industrial Control Transformers
Products
- General Purpose: 15 – 1,650 kVA
Applications
- Products
- General Purpose: 15 – 1,650 kVA
Applications
- For all general loads, indoors or out, including lighting, industrial and commercial applications
Information Sheet
Catalog Section: 1
Specifications
- Cores of high quality electrical steel
- Meets DOE-2016 and NRCan-2019 standards for energy efficiency
- NEMA 3R-rated enclosures standard
- Heat-cured ASA-61 gray powder coat finish
- 60 Hz operation
- Aluminum windings
- Primary taps on most units
- 150°C temperature rise
- 220°C insulation class
Features, Functions, Benefits
- Compact design for easier handling and installation
- Large connection compartment for ease of wiring and installation
- Quiet operation for installation flexibility
- Hassle-free front cover installation
- Taps provided on primary to compensate for voltage variations
- Seismic certification for all units through 1,000 kVA
Standards
- Meets NRCan C802 2019 requirements for energy efficiency
- January 1, 2018 Ontario requirements
- Canada-wide May 1, 2019 requirements
- Built in accordance with NEMA, ANSI, UL and CSA standards
Options and Accessories
- Other sizes and voltages available as custom
- CE Marked units available as custom
- Wall mount brackets available for units up to 75 kVA
>For all general loads, indoors or out
- Including lighting, industrial and commercial applications
Specifications
- Meets DOE-2016 and NRCan-2019 standards for energy efficiency
- Cores of high quality electrical steel
- NEMA 3R rated enclosures standard
- Heat-cured ASA-61 gray powder coat finish
- 60 Hz operation
- Aluminum windings
- Primary taps on most units
- 150°C temperature rise
- 220°C insulation class standard
Features, Functions, Benefits
- Large connection compartment for ease of wiring and installation
- Quiet operation for installation flexibility
- Seismic certification for all units through 333 kVA
Standards
- Built in accordance with NEMA, ANSI, UL and CSA standards
Options and Accessories
- Other sizes, voltages and temperature rises available
- CE Marked units available as custom
- Wall brackets available for units up to 75 kVA
- NEMA 3R-rated enclosure with weathershields
Fusible Switch Assembly
Products
- Three-Phase Encapsulated: 3 – 11 kVA
- Three-Phase Ventilated: 14 – 990 kVA
Applications
- For industrial and commercial applications with SCR-controlled adjustable speed motor drives
- AC adjustable frequency or DC drives
Information Sheet
Catalog Section: 1Specifications
- Sized to match standard drive loads
- Cores of high quality electrical steel
- NEMA 3R-rated enclosures standard on 3 – 11 kVA units
- NEMA 1-rated enclosures standard on 14 – 990 kVA units, convertible to 3R with optional weather shield kit
- Heat-cured ASA-61 gray powder coat finish
- Electrostatically shielded
- 150°C temperature rise standard
- 220°C insulation class units
Features, Functions, Benefits
- Large connection compartment for ease of wiring and installation
- Internally braced for short circuit stress protection
- Low impedance for better voltage regulation
- Low flux density to minimize core saturation
- Primary tap arrangements provided to compensate for input voltage variation
- Quiet operation for installation flexibility
- Seismic certification for all units
Standards
- Built in accordance with NEMA, ANSI, UL and CSA standards
- Meets NRCan-2019 standards for Canada
Options and Accessories
- CE Marked units available as custom
- Wall mount brackets available for units up to 75 kVA
- Weathershields available on units 14 kVA and larger
Accessories
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All Accessories
Products
- General Purpose: 15 – 1,650 kVA
Applications
- For all general loads, indoors or out
- Including lighting, industrial and commercial applications
Specifications
- Meets DOE-2016 and NRCan-2019 standards for energy efficiency
- Cores of high quality electrical steel
- NEMA 3R rated enclosures standard
- Heat-cured ASA-61 gray powder coat finish
- 60 Hz operation
- Aluminum windings
- Primary taps on most units
- 150°C temperature rise
- 220°C insulation class standard
Features, Functions, Benefits
- Large connection compartment for ease of wiring and installation
- Quiet operation for installation flexibility
- Seismic certification for all units through 333 kVA
Standards
- Built in accordance with NEMA, ANSI, UL and CSA standards
Options and Accessories
- Other sizes, voltages and temperature rises available
- CE Marked units available as custom
- Wall brackets available for units up to 75 kVA
- NEMA 3R-rated enclosure with weathershields
Custom Solutions
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Custom Power Magnetic Solutions
Products
- General Purpose: 15 – 1,650 kVA
Applications
- For all general loads, indoors or out
- Including lighting, industrial and commercial applications
Specifications
- Meets DOE-2016 and NRCan-2019 standards for energy efficiency
- Cores of high quality electrical steel
- NEMA 3R rated enclosures standard
- Heat-cured ASA-61 gray powder coat finish
- 60 Hz operation
- Aluminum windings
- Primary taps on most units
- 150°C temperature rise
- 220°C insulation class standard
Features, Functions, Benefits
- Large connection compartment for ease of wiring and installation
- Quiet operation for installation flexibility
- Seismic certification for all units through 333 kVA
Standards
- Built in accordance with NEMA, ANSI, UL and CSA standards
Options and Accessories
- Other sizes, voltages and temperature rises available
- CE Marked units available as custom
- Wall brackets available for units up to 75 kVA
- NEMA 3R-rated enclosure with weathershields