Lighting Ballasts

A lighting ballast helps to safely start and operate lighting equipment such as fluorescent or HID lamps. They provide the lamp with the correct voltage at its initial start up and then adjusts the voltage input to maintain the safe running of the lamp during use. Our range of lighting ballasts includes electronic and electromagnetic products from some of the industry's leading brands, including Osram, Philips Lighting, Tridonic and our own RS PRO.

How do lighting ballasts work?

Without a ballast to limit its current as part of its circuitry, a fluorescent lamp would overheat and burn out within seconds, drastically reducing the bulb's operating life. The ballast counteracts this by briefly supplying an initially-high voltage that establishes an arc between the two lamp electrodes when the bulb is turned on, bringing the light to life. Once the arc is established, the ballast quickly reduces the voltage and regulates the electric current to produce a steady light output without overheating or overpowering the bulb, allowing it to remain lit without issue and therefore extending its performance life. For more information on how it works, you can consult our complete Lighting Ballasts Guide.

Types of Lighting Ballasts

The most common types of ballasts are magnetic and electronic, and they come in several start technologies to suit different purposes.

  • Magnetic Ballasts – Magnetic ballasts are located inside your light sockets between the plug and the light bulb and the power cable. They convert mains electricity into a correct voltage to start, make sure that you always match the wattage of the ballast to the wattage of the lamp.
  • Electronic Ballasts – Electronic ballasts alter the flow of electricity in the light bulb by using a series of induction coils that are separated from one another. They change the frequency of the electrical current without changing the voltage. While magnetic ballasts in fluorescent lamps work at a frequency of 60 Hz, electronic ballasts greatly increase that frequency of 20000 Hz. This high frequency ensures you will not see the lights flickering and will not hear a buzzing sound.

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Description Price Wattage Number of Lamps Ballast Type Supported Lamp Shape Supported Lamp Type Voltage Rating Dimmable High Frequency Length Width Height Minimum Operating Temperature Maximum Operating Temperature Dimming Protocol
RS庫存編號 778-5281
製造零件編號BE 236-2
BrandELT
TWD785.00
單位
18 W, 24 W, 30 W, 36 W, 39 W - Electronic T5, T8, TC-L Fluorescent 220 → 240 V No Yes 230 mm 40 mm 28mm -20°C +50°C -
RS庫存編號 789-7933
製造零件編號PCA 2X58 T8 ECO lp
BrandTridonic
TWD2,856.00
單位
2 x 58 W - Electronic T8 Fluorescent 220 → 240 V Yes - 425 mm 30 mm 21mm -25°C +55°C DALI
RS庫存編號 775-3981
製造零件編號22185214
BrandTridonic
TWD1,300.00
單位
36 W - Electronic T8 Fluorescent 220 → 240 V No Yes 230 mm 30 mm 21mm -25°C +65°C -
RS庫存編號 775-3984
製造零件編號22185215
BrandTridonic
TWD1,300.00
單位
58 W - Electronic T8 Fluorescent 220 → 240 V No Yes 230 mm 30 mm 21mm -25°C +55°C -
RS庫存編號 544-351
製造零件編號PVC035ICDM
TWD1,005.00
單位
35 W - Electronic - Ceramic Metal Halide 220 → 240 V No Yes 188 mm 82.7 mm 35mm -20°C +45°C -
RS庫存編號 789-7930
製造零件編號PCA 2X36 T8 ECO lp
BrandTridonic
TWD2,856.00
單位
2 x 36 W - Electronic T8 Fluorescent 220 → 240 V Yes - 360 mm 30 mm 21mm -25°C +70°C DALI
RS庫存編號 781-2932
製造零件編號22185155
BrandTridonic
TWD1,208.00
單位
54 W - Electronic T5 Fluorescent 220 → 240 V No Yes 280 mm 30 mm 21mm -25°C +60°C -
RS庫存編號 544-361
製造零件編號HIDPVC150S
TWD2,791.00
單位
150 W - Electronic - Ceramic Metal Halide 220 → 240 V No Yes 135 mm 75 mm 32mm -20°C +60°C -
RS庫存編號 544-355
製造零件編號PVC070SCDM
TWD1,817.00
單位
70 W - Electronic - Ceramic Metal Halide 220 → 240 V No Yes 109 mm 75 mm 32mm -20°C +45°C -
RS庫存編號 781-2954
製造零件編號22185156
BrandTridonic
TWD1,298.00
單位
54 W - Electronic T5 Fluorescent 220 → 240 V No Yes 360 mm 30 mm 21mm -25°C +55°C -
RS庫存編號 781-2942
製造零件編號22185152
BrandTridonic
TWD1,298.00
單位
39 W - Electronic T5 Fluorescent 220 → 240 V No Yes 360 mm 30 mm 21mm -25°C +60°C -
RS庫存編號 775-4007
製造零件編號22176405
BrandTridonic
TWD1,637.00
單位
10 W - Electronic T4 Fluorescent 220 → 240 V No Yes 103 mm 67 mm 31mm -25°C +70°C -
RS庫存編號 678-4600
製造零件編號CP010200
BrandMegaman
TWD2,162.00
單位
200 W - Electromagnetic - Compact Fluorescent 220 → 240 V No - 175 mm 103 mm 59mm -40°C +60°C -
RS庫存編號 781-2939
製造零件編號22185153
BrandTridonic
TWD1,208.00
單位
49 W - Electronic T5 Fluorescent 220 → 240 V No Yes 280 mm 30 mm 21mm -25°C +60°C -
RS庫存編號 667-7252
製造零件編號HSA25223221-N
BrandParmar
TWD1,638.00
單位
250 W - Electromagnetic - Ceramic Metal Halide, HPS, Metal Halide 230/240 V No - 167 mm 87 mm 72mm 0°C +75°C -
RS庫存編號 775-3988
製造零件編號22185216
BrandTridonic
TWD1,399.00
單位
18 W - Electronic T8 Fluorescent 220 → 240 V No Yes 280 mm 30 mm 21mm -25°C +70°C -
RS庫存編號 667-7246
製造零件編號HSA07223221
BrandParmar
TWD1,174.00
單位
70 W - Electromagnetic - Ceramic Metal Halide, HPS, Metal Halide 230/240 V No - 107 mm 69 mm 59mm 0°C +75°C -
RS庫存編號 781-2923
製造零件編號22185147
BrandTridonic
TWD1,208.00
單位
14 W, 21 W, 28 W, 35 W - Electronic T5 Fluorescent 220 → 240 V No Yes 280 mm 30 mm 21mm -25°C +80°C -
RS庫存編號 781-2958
製造零件編號22185210
BrandTridonic
TWD1,792.00
單位
80 W - Electronic T5 Fluorescent 220 → 240 V No Yes 425 mm 30 mm 21mm -25°C +55°C -
RS庫存編號 775-3990
製造零件編號22185218
BrandTridonic
TWD1,399.00
單位
58 W - Electronic T8 Fluorescent 220 → 240 V No Yes 280 mm 30 mm 28mm -25°C +55°C -