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Step Down and Step Up Lighting Auto Transformers

The commercial electrical contractor’s source for step up and step down lighting autotransformers and equipment. Compare and buy stepdown, step-up, ballast, lighting auto transformers for your commercial lighting project or retrofit.
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  1. TRP 480V 347V to 277V Step Down Lighting Auto Transformer 125VA Rating for up to 125 Watt Lighting Products 480:347:277-125VA-IC
    Specifications
    • Technology: Step Down Transformers
    • Length: 3.74"
    • Voltage: 277V
    $27.99
    PART# 480:347:277-125VA-IC
    MOQ: 1
  2. NaturaLED PLT/SWH/100BA480 347-480V to 277V Step Down Driver for 29-100W Slim Area Light Fixtures
    Specifications
    • Technology: Step Down Transformers
    $64.29
    PART# PLT/SWH/100BA480
    MOQ: 1
  3. NaturaLED PLT/SDB/100BA480 347-480V to 277V Step Down Driver for 29-100W Slim Area Light Fixtures
    Specifications
    • Technology: Step Down Transformers
    $64.29
    PART# PLT/SDB/100BA480
    MOQ: 1
  4. NaturaLED P10138 BA-GETR480/277-250W Step Down Driver 347-480V to 277V for Linear Fixtures 250W and Under
    Specifications
    • Technology: Step Down Transformers
    $64.29
    PART# P10138 BA-GETR480/277-250W
    MOQ: 1
  5. NaturaLED P10182 BA-10031A-240-22 347-480V to 277V Step Down Driver for Fixtures 100W and Under
    Specifications
    • Technology: Step Down Transformers
    $54.29
    PART# BA-10031A-240-22
    MOQ: 1
  6. NaturaLED P10069 BA-PTN-0250-480220-8645 347-480V to 277V Step Down Driver for Fixtures 250W and Under
    Specifications
    • Wattage: 250 Watt
    • Technology: Step Down Transformers
    • Voltage: 347-480V
    $78.57
    PART# BA-PTN-0150-480220-7635
    MOQ: 1
  7. NaturaLED P10070 BA-PTN-0150-480220-7635 Step Down Driver 347-480V to 277V for Lighting Fixtures 150W and Under
    Specifications
    • Wattage: 150 Watt
    • Technology: Step Down Transformers
    • Voltage: 347-480V
    $64.29
    PART# BA-PTN-0150-480220-7635
    MOQ: 1
  8. TRP480347V277V460VA Image
    Specifications
    • Technology: Step Down Transformers
    • Length: 3.82"
    • Voltage: 277V
    $54.99
    PART# 1121-1004-ND
    MOQ: 1
  9. TRP 480V 347V to 277V Step Down Lighting Auto Transformer 245VA Rating for up to 240 Watt Lighting Products
    Specifications
    • Technology: Step Down Transformers
    • Length: 3.39"
    • Voltage: 277V
    $52.99
    PART# 1121-1005-ND
    MOQ: 1
  10. TRP 120V to 277V Step Up Lighting Auto Transformer 275VA Rating 120:277-275VA
    Specifications
    • Technology: Step Down Transformers
    • Length: 3.80"
    $57.58
    PART# 120/277-275VA-IC
    MOQ: 1
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Step Down

The 480V-347V to 277V ATX Series step down autotransformer is designed especially for lighting applications, typically used in conjunction with 277V Induction Electric Ballasts, T-5 or T-8 Electronic Fluorescent Ballasts, LED Drivers, or Electronic HID Ballasts in Industrial and Commercial applications. We have 125VA, 245VA, and 460VA models.

Step Up

The 120:277V Series Step-Up autotransformers are designed especially for lighting applications, typically used in conjunction with 277V LED Drivers, T-5 or T-8 Electronic Fluorescent Ballasts, Electronic HID and Plasma/Induction Ballasts in Industrial and Commercial applications.

To ensure consistent, high-quality and safe performance from in commercial lighting applications using LED drivers, induction ballasts, fluorescent ballasts and electronic HID ballasts, step down and step up lighting auto transformers match the lighting equipment to the available voltage. Our full selection of autotransformers includes step down models from 480V to 277V, 347V to 277V as well as 120V to 277V step up models. Also available are a range of low voltage transformers in a variety of wattage options.


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