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    • 750W Electronic Ballast for Road Lighting

      The electronic ballast have good performance, high reliability, high illuminant quality, energy-saving, widely used in road, dock, tunnel, Gym, factory etc. All kinds of power can be supplied: 250W, 400W, 600W, 750W, 1000W. Rated voltage: 400V/ 230V/ 220V/ 200V/ 120V/ 110V/ 100V Approval: CE, GS, TUV, UL Suitable bulb:Philips,GE,and others Compare with magnetic ballast, electronic ballast has more advantages:High power factor:PF>=0.99Low harmonic:THD<=10%High light efficiency:Increase 5% luminous flux than magnetic ballasts.Low power consumption:<=7%(magnetic ballasts' power consumption is more than 15%)Constant output of power.Protection functions:Open circuit and short circuit protection functions available.Reduce general investment 30%

      • electronic ballast 750W Electronic Ballast for Road Lighting

    • Hangzhou Welthink Electronic Co., Ltd.

    • welthink 250Watt 120V 230V HPS MH grow light ballast UL CUL certificate

      Compare with magnetic ballast, our grow light ballast have more advantages:Small in volume, light in weight,only 30% volume and weight of magnetic ballasts, 30% energy saved compared with magnetic ballast.Increase the lifetime of bulb, save the maintenance cost.More lumens: 20-30% more lumens than magnetic ballastsNo fans,water resistance and maintenance free operation.Constant output of power Protection functions: Open circuit and short circuit protection functions available. Single Voltage 120V or 230V, or dual voltage 110V~240V are available.Match with HPS and/or MH lamps both. Power: 250W, 400W, 600W, 1000W.Approval CE, GS, TUV, UL

      • grow light ballast 250Watt 120V/230V HPS&MH grow light ballast

    • Hangzhou Welthink Electronic Co., Ltd.

    • welthink 600W Digital Ballast 120V 240V Match with HPS MH Bulbs UL CUL

      Compare with magnetic ballast, our grow light digital ballast have more advantages:Small in volume, light in weight,only 30% volume and weight of magnetic ballasts, 30% energy saved compared with magnetic ballast.Increase the lifetime of bulb, save the maintenance cost.More lumens: 20-30% more lumens than magnetic ballastsNo fans,water resistance and maintenance free operation.Constant output of power Protection functions: Open circuit and short circuit protection functions available. Single Voltage 120V or 230V, or dual voltage 110V~240V are available.Match with HPS and/or MH lamps both. Power: 250W, 400W, 600W, 1000W.Approval CE, GS, TUV, UL.

      • digital ballast 600W Digital Ballast 120V~240V Match with HPS

    • Hangzhou Welthink Electronic Co., Ltd.

    • welthink 4000W Digital Ballast 120V 240V Match with HPS MH Bulbs UL CUL

      Compare with magnetic ballast, our grow light digital ballast have more advantages:Small in volume, light in weight,only 30% volume and weight of magnetic ballasts, 30% energy saved compared with magnetic ballast.Increase the lifetime of bulb, save the maintenance cost.More lumens: 20-30% more lumens than magnetic ballastsNo fans,water resistance and maintenance free operation.Constant output of power Protection functions: Open circuit and short circuit protection functions available. Single Voltage 120V or 230V, or dual voltage 110V~240V are available.Match with HPS and/or MH lamps both. Power: 250W, 400W, 600W, 1000W.Approval CE, GS, TUV, UL.

      • digital ballast 4000W Digital Ballast 120V~240V Match with HPS

    • Hangzhou Welthink Electronic Co., Ltd.

    • welthink 600 Watt 120V 240V grow light digital ballast match with HPS MH Bulbs UL CUL

      Compare with magnetic ballast, our grow light ballast have more advantages:Small in volume, light in weight,only 30% volume and weight of magnetic ballasts, 30% energy saved compared with magnetic ballast.Increase the lifetime of bulb, save the maintenance cost.More lumens: 20-30% more lumens than magnetic ballastsNo fans,water resistance and maintenance free operation.Constant output of power Protection functions: Open circuit and short circuit protection functions available. Single Voltage 120V or 230V, or dual voltage 110V~240V are available.Match with HPS and/or MH lamps both. Power: 250W, 400W, 600W, 1000W.Approval CE, GS, TUV, UL.

      • grow light ballast 600 Watt 120V-240V grow light digital balla

    • Hangzhou Welthink Electronic Co., Ltd.

    • welthink 250W Digital Ballast 120V 240V Match with HPS MH Bulbs UL CUL

      Compare with magnetic ballast, our grow light digital ballast have more advantages:Small in volume, light in weight,only 30% volume and weight of magnetic ballasts, 30% energy saved compared with magnetic ballast.Increase the lifetime of bulb, save the maintenance cost.More lumens: 20-30% more lumens than magnetic ballastsNo fans,water resistance and maintenance free operation.Constant output of power Protection functions: Open circuit and short circuit protection functions available. Single Voltage 120V or 230V, or dual voltage 110V~240V are available.Match with HPS and/or MH lamps both. Power: 250W, 400W, 600W, 1000W.Approval CE, GS, TUV, UL.

      • digital ballast 250W Digital Ballast 120V~240V Match with HPS

    • Hangzhou Welthink Electronic Co., Ltd.

    • welthink 1000 Watt 120V 240V grow light digital ballast match with HPS MH Bulbs both

      Compare with magnetic ballast, our grow light ballast have more advantages:Small in volume, light in weight,only 30% volume and weight of magnetic ballasts, 30% energy saved compared with magnetic ballast.Increase the lifetime of bulb, save the maintenance cost.More lumens: 20-30% more lumens than magnetic ballastsNo fans,water resistance and maintenance free operation.Constant output of power Protection functions: Open circuit and short circuit protection functions available. Single Voltage 120V or 230V, or dual voltage 110V~240V are available.Match with HPS and/or MH lamps both. Power: 250W, 400W, 600W, 1000W.Approval CE, GS, TUV, UL.

      • grow light ballast 1000 Watt 120V-240V grow light digital ball

    • Hangzhou Welthink Electronic Co., Ltd.

    • 1000Watt 120V 240V HPS MH grow light electronic ballast

      Compare with magnetic ballast, our grow light ballast have more advantages:Small in volume, light in weight,only 30% volume and weight of magnetic ballasts, 30% energy saved compared with magnetic ballast. Increase the lifetime of bulb, save the maintenance cost. More lumens: 20-30% more lumens than magnetic ballasts No fans,water resistance and maintenance free operation. Constant output of power Protection functions: Open circuit and short circuit protection functions available. Approval CE, GS, TUV, UL.Single Voltage 120V or 230V, or dual voltage 110V~240V are available. Match with HPS and/or MH lamps both. Power: 250W, 400W, 600W, 1000W.

      • electronic ballast 1000Watt 120V-240V HPS&MH grow light electr

    • Hangzhou Welthink Electronic Co., Ltd.

    • welthink 600W digital ballast dual 120V 240V for HPS MH lamp

      Compare with magnetic ballast, our electronic ballasts have more advantages: Small in volume, light in weight,only 30% volume and weight of magnetic ballasts, manufacturing material such as steel and aluminum saved. 30% energy saved compared with magnetic ballasts, reduced the cost of connection cable & electric equipment etc. Increase the lifetime of bulb, save the maintenance cost. Constant output of powerProtection functions: Open circuit and short circuit protection functions available. Reduce general investment 30% Single Voltage 120V or 230V, or dual voltage 110V~240V.Match with HPS and/or MH lamps both. Power: 250W, 400W, 600W, 1000W.Run for MH and HPS lamps both, 1000 watt Run for MH and HPS lamps both, 600 watt Run for MH and HPS lamps both, 400 watt Run for MH and HPS lamps both, 250 watt HPS Sodium 250 watt HPS Sodium 400 watt HPS Sodium 600 watt HPS Sodium 1000 watt Approval CE, GS, TUV, UL

      • digital electronic ballast 600W digital ballast dual 120V~240V

    • Hangzhou Welthink Electronic Co., Ltd.

    • welthink 1000W electronic ballast dual 120V 240V for HPS MH lamp

      Compare with magnetic ballast, our electronic ballasts have more advantages: Small in volume, light in weight,only 30% volume and weight of magnetic ballasts, manufacturing material such as steel and aluminum saved. 30% energy saved compared with magnetic ballasts, reduced the cost of connection cable & electric equipment etc. Increase the lifetime of bulb, save the maintenance cost. Constant output of powerProtection functions: Open circuit and short circuit protection functions available. Reduce general investment 30% Single Voltage 120V or 230V, or dual voltage 110V~240V.Match with HPS and/or MH lamps both. Power: 250W, 400W, 600W, 1000W.Run for MH and HPS lamps both, 1000 watt Run for MH and HPS lamps both, 600 watt Run for MH and HPS lamps both, 400 watt Run for MH and HPS lamps both, 250 watt HPS Sodium 250 watt HPS Sodium 400 watt HPS Sodium 600 watt HPS Sodium 1000 watt Approval CE, GS, TUV, UL

      • electronic ballast 1000W electronic ballast dual 120V~240V for

    • Hangzhou Welthink Electronic Co., Ltd.

    • welthink 1000W HID electronic ballast dual 120V 240V for HPS MH lamp

      Compare with magnetic ballast, our electronic ballasts have more advantages: Small in volume, light in weight,only 30% volume and weight of magnetic ballasts, manufacturing material such as steel and aluminum saved. 30% energy saved compared with magnetic ballasts, reduced the cost of connection cable & electric equipment etc. Increase the lifetime of bulb, save the maintenance cost. Constant output of powerProtection functions: Open circuit and short circuit protection functions available. Reduce general investment 30% Single Voltage 120V or 230V, or dual voltage 110V~240V.Match with HPS and/or MH lamps both. Power: 250W, 400W, 600W, 1000W.Run for MH and HPS lamps both, 1000 watt Run for MH and HPS lamps both, 600 watt Run for MH and HPS lamps both, 400 watt Run for MH and HPS lamps both, 250 watt HPS Sodium 250 watt HPS Sodium 400 watt HPS Sodium 600 watt HPS Sodium 1000 watt Approval CE, GS, TUV, UL

      • electronic ballast 1000W HID electronic ballast dual 120V~240V

    • Hangzhou Welthink Electronic Co., Ltd.

    • welthink 1000W digital ballast dual 120V 240V for HPS MH lamp

      Compare with magnetic ballast, our electronic ballasts have more advantages: Small in volume, light in weight,only 30% volume and weight of magnetic ballasts, manufacturing material such as steel and aluminum saved. 30% energy saved compared with magnetic ballasts, reduced the cost of connection cable & electric equipment etc. Increase the lifetime of bulb, save the maintenance cost. Constant output of powerProtection functions: Open circuit and short circuit protection functions available. Reduce general investment 30% Single Voltage 120V or 230V, or dual voltage 110V~240V.Match with HPS and/or MH lamps both. Power: 250W, 400W, 600W, 1000W.Run for MH and HPS lamps both, 1000 watt Run for MH and HPS lamps both, 600 watt Run for MH and HPS lamps both, 400 watt Run for MH and HPS lamps both, 250 watt HPS Sodium 250 watt HPS Sodium 400 watt HPS Sodium 600 watt HPS Sodium 1000 watt Approval CE, GS, TUV, UL

      • digital electronic ballast 1000W digital ballast dual 120V~240

    • Hangzhou Welthink Electronic Co., Ltd.

    • welthink 600W HID electronic ballast dual 120V 240V for HPS MH lamp

      Compare with magnetic ballast, our electronic ballasts have more advantages: Small in volume, light in weight,only 30% volume and weight of magnetic ballasts, manufacturing material such as steel and aluminum saved. 30% energy saved compared with magnetic ballasts, reduced the cost of connection cable & electric equipment etc. Increase the lifetime of bulb, save the maintenance cost. Constant output of powerProtection functions: Open circuit and short circuit protection functions available. Reduce general investment 30% Single Voltage 120V or 230V, or dual voltage 110V~240V.Match with HPS and/or MH lamps both. Power: 250W, 400W, 600W, 1000W.Run for MH and HPS lamps both, 1000 watt Run for MH and HPS lamps both, 600 watt Run for MH and HPS lamps both, 400 watt Run for MH and HPS lamps both, 250 watt HPS Sodium 250 watt HPS Sodium 400 watt HPS Sodium 600 watt HPS Sodium 1000 watt Approval CE, GS, TUV, UL

      • electronic ballast 600W HID electronic ballast dual 120V~240V

    • Hangzhou Welthink Electronic Co., Ltd.

    • welthink 400W electronic ballast dual 120V 240V for HPS MH lamp

      Compare with magnetic ballast, our electronic ballasts have more advantages: Small in volume, light in weight,only 30% volume and weight of magnetic ballasts, manufacturing material such as steel and aluminum saved. 30% energy saved compared with magnetic ballasts, reduced the cost of connection cable & electric equipment etc. Increase the lifetime of bulb, save the maintenance cost. Constant output of powerProtection functions: Open circuit and short circuit protection functions available. Reduce general investment 30% Single Voltage 120V or 230V, or dual voltage 110V~240V.Match with HPS and/or MH lamps both. Power: 250W, 400W, 600W, 1000W.Run for MH and HPS lamps both, 1000 watt Run for MH and HPS lamps both, 600 watt Run for MH and HPS lamps both, 400 watt Run for MH and HPS lamps both, 250 watt HPS Sodium 250 watt HPS Sodium 400 watt HPS Sodium 600 watt HPS Sodium 1000 watt Approval CE, GS, TUV, UL

      • electronic ballast 400W electronic ballast dual 120V~240V for

    • Hangzhou Welthink Electronic Co., Ltd.

    • 400W electronic ballast for Hydroponics lighting

      The hydroponic lighting completely pre-wired and assembled electronic ballast, ready to plug into any standard household 110 or 220 volts grounded outlet. can match with HPS&MH lamp both.Available Power: Run for MH and HPS lamps both, 1000 watt Run for MH and HPS lamps both, 600 watt Run for MH and HPS lamps both, 400 watt Run for MH and HPS lamps both, 250 watt HPS Sodium 250 watt HPS Sodium 400 watt HPS Sodium 600 watt HPS Sodium 1000 watt Voltage Single Voltage 120V or 230V, or dual voltage 110V~240 VApproval: CE, GS, TUV, UL.

      • hydroponics lighting ballast 400W electronic ballast for Hydro

    • Hangzhou Welthink Electronic Co., Ltd.

    • 400W Electronic Ballast for Road Lighting

      The electronic ballast have good performance, high reliability, high illuminant quality, energy-saving, widely used in road, dock, tunnel, Gym, factory etc. All kinds of power can be supplied: 250W, 400W, 600W, 750W, 1000W. Rated voltage: 400V/ 230V/ 220V/ 200V/ 120V/ 110V/ 100V Approval: CE, GS, TUV, UL Suitable bulb:Philips,GE,and others Compare with magnetic ballast, electronic ballast has more advantages:High power factor:PF>=0.99Low harmonic:THD<=10%High light efficiency:Increase 5% luminous flux than magnetic ballasts.Low power consumption:<=7%(magnetic ballasts' power consumption is more than 15%)Constant output of power.Protection functions:Open circuit and short circuit protection functions available.Reduce general investment 30%

      • electronic ballast 400W Electronic Ballast for Road Lighting

    • Hangzhou Welthink Electronic Co., Ltd.

    • 250W Electronic Ballast for Road Lighting

      The electronic ballast have good performance, high reliability, high illuminant quality, energy-saving, widely used in road, dock, tunnel, Gym, factory etc. All kinds of power can be supplied: 250W, 400W, 600W, 750W, 1000W. Rated voltage: 400V/ 230V/ 220V/ 200V/ 120V/ 110V/ 100V Approval: CE, GS, TUV, UL Suitable bulb:Philips,GE,and others Compare with magnetic ballast, electronic ballast has more advantages:High power factor:PF>=0.99Low harmonic:THD<=10%High light efficiency:Increase 5% luminous flux than magnetic ballasts.Low power consumption:<=7%(magnetic ballasts' power consumption is more than 15%)Constant output of power.Protection functions:Open circuit and short circuit protection functions available.Reduce general investment 30%

      • electronic ballast 250W Electronic Ballast for Road Lighting

    • Hangzhou Welthink Electronic Co., Ltd.

    • welthink 1000W Digital Ballast 120V 240V Match with HPS MH Bulbs

      Compare with magnetic ballast, our grow light digital ballast have more advantages:Small in volume, light in weight,only 30% volume and weight of magnetic ballasts, 30% energy saved compared with magnetic ballast.Increase the lifetime of bulb, save the maintenance cost.More lumens: 20-30% more lumens than magnetic ballastsNo fans,water resistance and maintenance free operation.Constant output of power Protection functions: Open circuit and short circuit protection functions available. Single Voltage 120V or 230V, or dual voltage 110V~240V are available.Match with HPS and/or MH lamps both. Power: 250W, 400W, 600W, 1000W.Approval CE, GS, TUV, UL.

      • digital ballast 1000W Digital Ballast 120V~240V Match with HPS

    • Hangzhou Welthink Electronic Co., Ltd.

    • 600W HPS electronic ballast for Horticultural Lighting in greenhouse

      This horticultural lighting(plant grow lighting) is mainly composed of high pressuresodium bulb, HPS electronic ballast, and reflector. All kinds of power can be supplied: 250W, 400W, 600W, 750W, 1000W. Rated voltage: 400V/ 230V/ 220V/ 200V/ 120V/ 110V/ 100V Approval: CE, GS, TUV, UL Suitable bulb:Philips,GE,and others Compare with magnetic ballast, electronic ballasts have more advantages:High power factor:PF>=0.99Low harmonic:THD<=10%High light efficiency:Increase 5% luminous flux than magnetic ballasts.Low power consumption:<=7%(magnetic ballasts' power consumption is more than 15%)Constant output of powerProtection functions:Open circuit and short circuit protection functions available.Reduce general investment 30% All kinds of reflectors are available for choice.

      • HPS electronic ballast 600W HPS electronic ballast for Horticu

    • Hangzhou Welthink Electronic Co., Ltd.

    • 400W HPS electronic ballast for Horticultural Lighting in greenhouse

      This horticultural lighting(plant grow lighting) is mainly composed of high pressuresodium bulb, HPS electronic ballast, and reflector. All kinds of power can be supplied: 250W, 400W, 600W, 750W, 1000W. Rated voltage: 400V/ 230V/ 220V/ 200V/ 120V/ 110V/ 100V Approval: CE, GS, TUV, UL Suitable bulb:Philips,GE,and others Compare with magnetic ballast, electronic ballasts have more advantages:High power factor:PF>=0.99Low harmonic:THD<=10%High light efficiency:Increase 5% luminous flux than magnetic ballasts.Low power consumption:<=7%(magnetic ballasts' power consumption is more than 15%)Constant output of powerProtection functions:Open circuit and short circuit protection functions available.Reduce general investment 30% All kinds of reflectors are available for choice.

      • HPS electronic ballast 400W HPS electronic ballast for Horticu

    • Hangzhou Welthink Electronic Co., Ltd.

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