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Metal Halide Ballasts

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  • 70W Metal Halide, Quad Tap, Ballast Replacement Kit - main product image
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    70W Metal Halide, Quad Tap, Ballast Replacement Kit

    KST-MH-70X-Q-KIT 3/1
    $158.08
    70W Metal Halide, Quad Tap, Ballast Replacement Kit is a Keystone hid for replacement and maintenance work where electrical compatibility must match the fixture.This Keystone item is configured for replacement and maintenance work where electrical...
    Qty in Cart: 0
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    $158.08
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  • 50W Metal Halide, 120 / 277V, F-CAN - main product image
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    50W Metal Halide, 120 / 277V, F-CAN

    KST-MH-50X-D-FCAN /A
    $168.08
    50W Metal Halide, 120 / 277V, F-CAN is a Keystone hid for replacement and maintenance work where electrical compatibility must match the fixture.This Keystone item is configured for replacement and maintenance work where electrical compatibility must...
    Qty in Cart: 0
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    $168.08
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  • 150W Pulse Start Metal Halide, 120-277V, F-CAN - main product image
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    150W Pulse Start Metal Halide, 120-277V, F-CAN

    KST-MH-150X-D-FCAN
    $213.38
    150W Pulse Start Metal Halide, 120-277V, F-CAN is a Keystone hid for replacement and maintenance work where electrical compatibility must match the fixture.This Keystone item is configured for replacement and maintenance work where electrical...
    Qty in Cart: 0
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    $213.38
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  • 100W Metal Halide, Quad Tap, Ballast Replacement Kit - main product image
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    100W Metal Halide, Quad Tap, Ballast Replacement Kit

    KST-MH-100X-Q-KIT 3/1
    $161.69
    100W Metal Halide, Quad Tap, Ballast Replacement Kit is a Keystone hid for replacement and maintenance work where electrical compatibility must match the fixture.This Keystone item is configured for replacement and maintenance work where electrical...
    Qty in Cart: 0
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    $161.69
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  • MH-xxW X-D-FCAN-3-1 Series - main product image
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    Keystone Selectable Wattage 120/277V Metal Halide Ballast Kit Series

    KST-MH-WVARX-D-FCAN-3-1-SERIES
    $168.08 - $171.46
    Keystone Selectable Wattage 120/277V Metal Halide Ballast Kit Series groups Keystone models in the same series so customers can choose the needed option without leaving the product page. It is suited for replacement and maintenance work where electrical...
    Qty in Cart: 0
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    $168.08 - $171.46
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  • MH-xxW A-D-FCAN Series - main product image
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    Keystone Selectable Wattage 120/277V Metal Halide Ballast Kit Series

    KST-MH-WVARA-D-FCAN-SERIES
    $187.62 - $291.00
    Keystone Selectable Wattage 120/277V Metal Halide Ballast Kit Series groups Keystone models in the same series so customers can choose the needed option without leaving the product page. It is suited for replacement and maintenance work where electrical...
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    $187.62 - $291.00
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  • Pulse Start Metal Halide Ballast, 250 Watt, CWA Circuit Type
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    Pulse Start Metal Halide Ballast, 250 Watt, CWA Circuit Type

    HLT-M138/250CWA/5T/K
    $178.60
    Compact 250W Pulse Start Metal Halide Ballast with CWA circuit, operates at multiple voltages. Ideal for efficient lighting applications. Key Features and Benefits Operates at 120V, 208V, 240V, 277V, and 480V High efficiency...
    Qty in Cart: 0
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    $178.60
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  • Electromagnetic HID Ballasts, 320W, Primary lamp MH320 Ansi M132, 5-Tap CWA Pulse Start Kit
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    Electromagnetic HID Ballasts, 320W, Primary lamp MH320 Ansi M132, 5-Tap CWA Pulse Start Kit

    HLT-M132/320CWA/5T/K
    $185.75
    320W electromagnetic HID ballast with 5-tap input, designed for MH320 ANSI M132 lamps. Offers pulse start for improved lamp efficacy and life. Key Features and Benefits Electromagnetic ballast for 320W lamps Compatible with...
    Qty in Cart: 0
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    $185.75
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  • M58 Metal Halide Ballast, 250W, 4 Tap, CWA Circuit
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    M58 Metal Halide Ballast, 250W, 4 Tap, CWA Circuit

    HLT-M58/250CWA/4T/K
    $130.15
    The Halco Lighting Technologies M58 Metal Halide Ballast is a critical component for efficient lighting solutions, offering compatibility with 250W metal halide lamps. This ballast is designed to operate optimally across various voltages, ensuring...
    Qty in Cart: 0
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    $130.15
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  • Pulse Start Metal Halide, 50 Watt, M110, 4-Tap
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    Pulse Start Metal Halide, 50 Watt, M110, 4-Tap

    HLT-M110/50HX/4T/K
    $90.55
    Compact 50 Watt Pulse Start Metal Halide ballast with selectable voltage options, ideal for various lighting applications. Key Features and Benefits Pulse Start technology for improved lamp life and performance. Multiple...
    Qty in Cart: 0
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    $90.55
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  • 400 Watt Pulse Start Metal Halide Ballast, CWA Circuit Type
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    400 Watt Pulse Start Metal Halide Ballast, CWA Circuit Type

    HLT-M135/400CWA/5T/K
    $192.85
    This 400 Watt Pulse Start Metal Halide Ballast, part of Halco Lighting Technologies' lineup, offers reliable performance for a variety of lighting applications. Designed to operate M135 lamps efficiently, it is compatible with multiple voltage...
    Qty in Cart: 0
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    $192.85
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  • 175 Watt MH Lamp, M57, Constant Wattage Autotransformer, 4 Tap Kit
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    175 Watt MH Lamp, M57, Constant Wattage Autotransformer, 4 Tap Kit

    HLT-M57/175CWA/4T/K
    $100.75
    Compact 175W metal halide ballast with selectable voltage taps and wide compatibility. Ideal for various lighting applications. Key Features and Benefits Compatible with 175 Watt MH Lamp, M57 Constant Wattage Autotransformer...
    Qty in Cart: 0
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    $100.75
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  • 250 Watt MH Lamp, M58, Constant Wattage Autotransformer Circuit, 5 Tap
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    250 Watt MH Lamp, M58, Constant Wattage Autotransformer Circuit, 5 Tap

    HLT-M58/250CWA/5T/K
    $135.35
    The Halco Lighting Technologies M58/250CWA/5T/K is a reliable 250 Watt Metal Halide Lamp designed for versatile lighting applications. This product is part of Halco's robust lineup, known for its dependable performance and efficient energy use. ...
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    $135.35
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  • 175 Watt MH Lamp, M57, CWA Ballast, 5 Tap
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    175 Watt MH Lamp, M57, CWA Ballast, 5 Tap

    HLT-M57/175CWA/5T/K
    $100.20
    Compact 175W metal halide lamp ballast with multiple voltage taps for versatile installation, ensuring optimal performance in various settings. Key Features and Benefits Supports 175W MH Lamp, M57 Multiple voltage taps:...
    Qty in Cart: 0
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    $100.20
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  • 400 Watt Metal Halide Ballast, CWA Circuit Type
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    400 Watt Metal Halide Ballast, CWA Circuit Type

    HLT-M59/400CWA/4T/K
    $148.00
    400 Watt Metal Halide Ballast with CWA circuit type, compatible with 400W MH lamps. Operates on multiple voltages with robust performance. Key Features and Benefits Compatible with 400 Watt MH lamps, M59 CWA Circuit Type for...
    Qty in Cart: 0
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    $148.00
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  • 1000 Watt MH Lamp, M47, CWA Circuit, 5-Tap
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    1000 Watt MH Lamp, M47, CWA Circuit, 5-Tap

    HLT-M47/1000CWA/5T/K
    $236.75
    This 1000W metal halide ballast by Halco Lighting Technologies is engineered for M47 lamps, offering a robust solution for high-intensity lighting needs. Key Features and Benefits Compatible with M47/1000W metal halide lamps ...
    Qty in Cart: 0
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    $236.75
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  • 1500 Watt Metal Halide Lamp, M48, CWA Ballast, 5-Tap
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    1500 Watt Metal Halide Lamp, M48, CWA Ballast, 5-Tap

    HLT-M48/1500CWA/5T/K
    $394.25
    Halco M48/1500CWA/5T/K is a high-performance metal halide lamp featuring a 1500W capacity, designed for robust and efficient lighting applications. Key Features and Benefits 1500W metal halide lamp for high-intensity lighting ...
    Qty in Cart: 0
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    $394.25
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  • 1000 Watt MH Lamp, M47, CWA Ballast, 4-Tap
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    1000 Watt MH Lamp, M47, CWA Ballast, 4-Tap

    HLT-M47/1000CWA/4T/K
    $257.95
    Compact 1000W metal halide ballast with CWA circuit type, supports 120V-277V inputs, ideal for various lighting applications. Key Features and Benefits 1000 Watt power rating for high-intensity lighting. CWA circuit type for...
    Qty in Cart: 0
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    $257.95
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  • 400 Watt MH Lamp, M59, CWA Ballast, 5-Tap
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    400 Watt MH Lamp, M59, CWA Ballast, 5-Tap

    HLT-M59/400CWA/5T/K
    $157.85
    Halco Lighting's 400 Watt MH Lamp is a part of their reliable metal halide ballast series, designed to deliver optimal performance with a CWA circuit type and selectable 5-tap voltage. Key Features and Benefits Reliable CWA circuit...
    Qty in Cart: 0
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    $157.85
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Metal halide ballasts regulate the power supply to metal halide (MH) lamps, a high-intensity discharge light source widely used in commercial and industrial lighting for their high lumen output and good color rendering. MH lamps require a ballast that matches their specific wattage, lamp type (probe-start or pulse-start), and operating voltage, as these parameters directly affect starting performance, lumen maintenance, and lamp life over time.

Probe-start metal halide ballasts use a third starting electrode in the lamp and require a magnetic ballast design. Pulse-start metal halide systems use a separate ignitor to deliver the starting pulse and are compatible with electronic and high-power-factor magnetic ballast designs. Pulse-start systems generally offer better lumen maintenance over the lamp's life and are the preferred choice for most modern MH applications. Common wattages range from 70W for accent and display lighting to 400W, 750W, and 1500W for large-area industrial and sports lighting.

RelightDepot carries metal halide ballasts for the most common commercial wattages and configurations. For related HID power components, see High Pressure Sodium Ballasts and Capacitors and Ignitors. For the lamps these ballasts power, browse our HID Lamps section. All HID ballast types are available in our HID Ballasts parent category.