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400 Watt HID Retrofit

Popular and proven lighting retrofit kits for 400 watt metal halide, high pressure sodium, low pressure sodium, or mercury vapor fixtures. Whether you have an indoor or outdoor fixture, these typically fit inside and provide great energy savings with decreasing or eliminating maintenance costs, all while increasing light levels. LED, induction, and perhaps fluorescent technology are all included below. There are also some different Kelvin temperature options, but most applications now use 5000K-5500K, which are brighter and emit a pure daylight white color, like the color of the white on this page.

You will see both 150W and 200W efficient options below. If your aim is higher energy savings and keeping the existing light levels or you don't mind a little bit less, we recommend around 150 watts. If you would like to still get over 50% energy savings and make sure your area is still the same brightness or even about 10-20% brighter (depending on your lamp/fixture condition), go with the 200 watt kits. Please check the dimensions of each product to ensure fitment into your fixture. If they don't fit and you have a moderately old fixture, we have plenty of new fixture options as well if a retrofit won't work.

If none of these fit your needs, please contact us or email our sales team and we'll be happy to help you find the right kit.

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  1. 3BL LED 120 Watt LED DLC QPL Listed Retrofit Corn Lamp For 400 Watt HID High Bay or Post Top Replacement
    Specifications
    • Life: 50,000+ Hours
    • Lumens: 15,010
    • Technology: LED - Retrofit Kit
    • CRI: >80
    • Length: 12.02 Inches
    • Base type: E39/E40 Mogul Base

    Special Price: $119.95

    Regular Price: $249.95

    PART# 3BL-LED-RCL-120W
    MOQ: 1
  2. Main Image 3BL LED 150 Watt DLC QPL Listed RPK Plate Type Retrofit Kit for 400W HID Replacement 16,500 Lumens 5000K
    Specifications
    • Life: 60,000 Hours
    • Lumens: 16,500
    • Technology: LED - Retrofit Kit
    • CRI: >70
    • Length: 7.08"
    $279.95
    PART# 3BL-LED-RPK-150W-DIM-5000K
    MOQ: 1
  3. NaturaLED LED75HID/EX39/800L 75 Watt LED Corn Light Retrofit Lamp for 320W HID E39 Base
    Specifications
    • Life: 50,000 Hours
    • Lumens: 13,000
    • Technology: LED - Retrofit Kit
    • CRI: >80
    • Length: 5.51"
    • Base type: E39/E40 Mogul Base
    $200.00
    PART# LED100HID/EX39/1300L
    MOQ: 1
  4. Light Efficient Design LED-8030M40-A 140 Watt LED High Bay Retrofit with Up-Light Replaces 400W HID 4000K
    Specifications
    • Life: 50,000 Hours
    • Lumens: 15,763
    • Technology: LED - Retrofit Kit
    • CRI: 84
    • Length: 9.055"
    • Base type: EX39
    $249.99
    PART# LED-8030M40-A
    MOQ: 1
  5. Main Image GE Lighting LED165/M400/740 21259 165 Watt Versatile LED Replacement Lamp for 400 Watt HID - High Bay and Open Fixtures Only
    Specifications
    • Life: 50,000 Hours
    • Lumens: 20,000
    • Technology: LED
    • CRI: 73
    • Length: 11.42"
    • Base type: EX39
    $299.95
    PART# LED165/M400/740
    MOQ: 1
  6. Main Image VeraLED VLLS-CB-150W-E 150 Watt LED Corn Cob Light Post Top Retrofit Lamp External Driver
    Specifications
    • Life: 50,000+ Hours
    • Lumens: 20,000
    • Technology: LED
    • CRI: 80
    • Length: 13.07"
    $277.49
    PART# VLLS-CB-150W-E
    MOQ: 9
  7. Main Image VeraLED VLLS-CB-150W 150 Watt LED Corn Cob Light Post Top Retrofit Lamp Internal Driver
    Specifications
    • Life: 50,000+ Hours
    • Lumens: 20,000
    • Technology: LED
    • CRI: 80
    • Length: 13.27"
    $335.79
    PART# VLLS-CB-150W
    MOQ: 1
  8. Main Image VeraLED VLLS-CB-120W 120 Watt LED Corn Cob Light Post Top Retrofit Lamp Internal Driver
    Specifications
    • Life: 50,000+ Hours
    • Lumens: 15,000
    • Technology: LED
    • CRI: 80
    • Length: 12.09"
    $277.89
    PART# VLLS-CB-120W
    MOQ: 1
  9. Main Image VeraLED VLLS-CB-100WXY-E 100 Watt LED Corn Cob Light Post Top Retrofit Lamp External Meanwell Driver
    Specifications
    • Life: 50,000+ Hours
    • Lumens: 13,000
    • Technology: LED
    • CRI: 80
    • Length: 11.10"
    $246.00
    PART# VLLS-CB-100WXY-E
    MOQ: 1
  10. Light Efficient Design LED-8090M30-A 120 Watt Shoe Box Roadway Wall Pack Retrofit Lamp Type V Distribution 3000K
    Specifications
    • Life: Up to 50,000 Hours
    • Lumens: 10,157
    • Technology: LED
    • CRI: 83
    • Length: 11.26"
    • Base type: E39/E40 Mogul Base
    $238.99
    PART# LED-8090M30-A
    MOQ: 1
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