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    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 adjust the voltage input to maintain the safe running of the lamp during use. Our range of lighting ballasts includes both 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 lights ballast counteracts this by briefly supplying an initial high voltage that establishes an arc between the lamps two electrodes when the bulb is turned on, bringing the light to life. Once this arc is established, the ballast can then quickly reduce the voltage and is then able to regulate the electrical current to produce a steady and safe light output without overheating or overpowering the bulb. This function allows the bulb 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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    73 Products
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    Supported Lamp Shape
    Supported Lamp Type
    Voltage Rating
    Dimmable
    High Frequency
    Length
    Width
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    Minimum Operating Temperature
    Maximum Operating Temperature
    Product Details
    Price
    Brand
    Wattage
    Number of Lamps
    Ballast Type
    Supported Lamp Shape
    Supported Lamp Type
    Voltage Rating
    Dimmable
    High Frequency
    Length
    Width
    Height
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    Maximum Operating Temperature
    Product Image
    RS PRO 1 x 14 → 18 W, 1 x 18 → 24 W, 1 x 22 W, 1 x 24 W Electronic Compact Fluorescent Lighting Ballast,
    RS Stock No.:
    721-0853
    Datasheets:
    £12.19
    Each
    RS PRO
    1 x 14 → 18 W, 1 x 18 → 24 W, 1 x 22 W, 1 x 24 W
    -
    Electronic
    T5, T8, TC-F, TC-L, T-R5
    Compact Fluorescent, Fluorescent
    220 → 240 V
    No
    Yes
    80 mm
    41 mm
    18mm
    -15°C
    +55°C
    Product Image
    RS PRO 1 x 10 W, 1 x 10 → 16 W, 1 x 16 W, 1 x 4 → 14 W, 1 x 5 → 11 W Electronic Compact
    RS Stock No.:
    721-0841
    Datasheets:
    £11.48
    Each
    RS PRO
    1 x 10 W, 1 x 10 → 16 W, 1 x 16 W, 1 x 4 → 14 W, 1 x 5 → 11 W
    -
    Electronic
    T5, T8, TC-D/E, TC-DD, TC-S/E
    Compact Fluorescent, Fluorescent
    220 → 240 V
    No
    Yes
    80 mm
    41 mm
    18mm
    -15°C
    +55°C
    Product Image
    RS PRO 18 → 36 (T8) W, 24 → 36 (TC-F) W, 24 → 39 (T5 HO) W, 34 → 40 (TC-L) W Electronic
    RS Stock No.:
    778-5329
    Datasheets:
    £37.48
    Each
    RS PRO
    18 → 36 (T8) W, 24 → 36 (TC-F) W, 24 → 39 (T5 HO) W, 34 → 40 (TC-L) W
    -
    Electronic
    T5 HO, T8, TC-F, TC-L
    Compact Fluorescent, Fluorescent
    220 → 240 V
    No
    Yes
    360 mm
    30 mm
    26mm
    -25°C
    +60°C
    Product Image
    RS PRO 54 (T5 HO) W, 55 (TC-L) W, 58 (T8) W Electronic Compact Fluorescent Lighting Ballast, 220 → 240 V
    RS Stock No.:
    778-5323
    Datasheets:
    £35.82
    Each
    RS PRO
    54 (T5 HO) W, 55 (TC-L) W, 58 (T8) W
    -
    Electronic
    T5 HO, T8, TC-L
    Compact Fluorescent, Fluorescent
    220 → 240 V
    No
    Yes
    285 mm
    30 mm
    26mm
    -25°C
    +60°C
    Product Image
    RS PRO 4 → 16 (Fluorescent) W, 5 → 16 (CFL) W Electronic Compact Fluorescent Lighting Ballast, 220
    RS Stock No.:
    721-0850
    Datasheets:
    £12.19
    Each
    RS PRO
    4 → 16 (Fluorescent) W, 5 → 16 (CFL) W
    -
    Electronic
    T5, T8, TC-D/E, TC-DD, TC-S/E
    Compact Fluorescent, Fluorescent
    220 → 240 V
    No
    Yes
    150 mm
    22 mm
    19mm
    -15°C
    +55°C
    Product Image
    RS PRO 14 → 24 (Fluorescent) W, 18 → 24 (CFL) W Electronic Compact Fluorescent Lighting Ballast, 220
    RS Stock No.:
    721-0857
    Datasheets:
    £13.40
    Each
    RS PRO
    14 → 24 (Fluorescent) W, 18 → 24 (CFL) W
    -
    Electronic
    T5, T8, TC-F, TC-L, T-R5
    Compact Fluorescent, Fluorescent
    220 → 240 V
    No
    Yes
    150 mm
    22 mm
    19mm
    -15°C
    +55°C
    Product Image
    RS PRO 14 → 35 (T5) W Electronic Fluorescent Lighting Ballast, 220 → 240 V
    RS Stock No.:
    778-5317
    Datasheets:
    £44.62
    Each
    RS PRO
    14 → 35 (T5) W
    -
    Electronic
    T5
    Fluorescent
    220 → 240 V
    No
    Yes
    360 mm
    30 mm
    26mm
    -25°C
    +60°C
    Product Image
    RS PRO 14 → 35 (T5) W Electronic Fluorescent Lighting Ballast, 220 → 240 V
    RS Stock No.:
    778-5313
    Datasheets:
    £31.14
    Each
    RS PRO
    14 → 35 (T5) W
    -
    Electronic
    T5
    Fluorescent
    220 → 240 V
    No
    Yes
    235 mm
    30 mm
    21mm
    -25°C
    +60°C
    Product Image
    RS PRO 80 W Electronic LED Lighting Ballast, 220 → 240 V
    RS Stock No.:
    796-1898
    Datasheets:
    £48.46
    Each
    RS PRO
    80 W
    -
    Electronic
    -
    LED
    220 → 240 V
    Yes
    -
    280 mm
    21 mm
    30mm
    -25°C
    +50°C
    Product Image
    RS PRO 50 W Electronic LED Lighting Ballast, 220 → 240 V
    RS Stock No.:
    796-1895
    Datasheets:
    £57.93
    Each
    RS PRO
    50 W
    -
    Electronic
    -
    LED
    220 → 240 V
    Yes
    -
    124 mm
    79 mm
    22mm
    -25°C
    +50°C
    Product Image
    Philips Lighting 14 W, 21 W, 28 W, 35 W Electronic Fluorescent Lighting Ballast, 220 → 240 V
    RS Stock No.:
    413-055
    Mfr. Part No.:
    HF-P 2 14-35 TL5 HE EII
    Datasheets:
    £18.96
    Each
    Philips Lighting
    14 W, 21 W, 28 W, 35 W
    -
    Electronic
    TL5
    Fluorescent
    220 → 240 V
    No
    Yes
    360 mm
    30 mm
    22mm
    -25°C
    +60°C
    Product Image
    ELT 18 W, 24 W, 30 W, 36 W, 39 W Electronic Fluorescent Lighting Ballast, 220 → 240 V
    RS Stock No.:
    778-5281
    Mfr. Part No.:
    BE 236-2
    Datasheets:
    £23.08
    Each
    ELT
    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
    Product Image
    ELT 18 W, 24 W, 30 W, 36 W, 39 W Electronic Compact Fluorescent Lighting Ballast, 220 → 240 V
    RS Stock No.:
    721-0847
    Mfr. Part No.:
    BE 436-2
    Datasheets:
    £38.68
    Each
    ELT
    18 W, 24 W, 30 W, 36 W, 39 W
    -
    Electronic
    T5, T8, TC-L
    Compact Fluorescent, Fluorescent
    220 → 240 V
    No
    Yes
    360 mm
    -
    28mm
    -20°C
    +50°C
    Product Image
    ELT 36 W Electronic Fluorescent Lighting Ballast, 110 → 260 V
    RS Stock No.:
    714-1439
    Mfr. Part No.:
    BE 236-4-UN
    Datasheets:
    £27.33
    Each
    ELT
    36 W
    -
    Electronic
    T8
    Fluorescent
    110 → 260 V
    No
    Yes
    220 mm
    40 mm
    28mm
    -20°C
    +55°C
    Product Image
    Philips Lighting 14 W, 21 W, 28 W, 35 W Electronic Fluorescent Lighting Ballast, 220 → 240 V
    RS Stock No.:
    413-065
    Mfr. Part No.:
    HF-P 1 14-35 TL5 HE EII
    Datasheets:
    £20.78
    Each
    Philips Lighting
    14 W, 21 W, 28 W, 35 W
    -
    Electronic
    TL5
    Fluorescent
    220 → 240 V
    No
    Yes
    360 mm
    30 mm
    22mm
    -25°C
    +60°C
    Product Image
    ELT 54 W, 55 W, 58 W Electronic Fluorescent Lighting Ballast, 220 → 240 V
    RS Stock No.:
    778-5284
    Mfr. Part No.:
    BE 258-2
    Datasheets:
    £23.08
    Each
    ELT
    54 W, 55 W, 58 W
    -
    Electronic
    T5, T8, TC-L
    Fluorescent
    220 → 240 V
    No
    Yes
    230 mm
    40 mm
    28mm
    -20°C
    +50°C
    Product Image
    Philips Lighting 24 W, 39 W Electronic Fluorescent Lighting Ballast, 220 → 240 V
    RS Stock No.:
    413-061
    Mfr. Part No.:
    HF-P 2 24-39 TL5 HO EII
    Datasheets:
    £22.45
    Each
    Philips Lighting
    24 W, 39 W
    -
    Electronic
    TL5
    Fluorescent
    220 → 240 V
    No
    Yes
    360 mm
    30 mm
    22mm
    -25°C
    +60°C
    Product Image
    ELT 14 W, 18 W Electronic Fluorescent Lighting Ballast, 110 → 260 V
    RS Stock No.:
    714-1420
    Mfr. Part No.:
    BE 218-4-UN
    Datasheets:
    £24.48
    Each
    ELT
    14 W, 18 W
    -
    Electronic
    T8
    Fluorescent
    110 → 260 V
    No
    Yes
    220 mm
    40 mm
    28mm
    -20°C
    +55°C
    Product Image
    Philips Lighting 70 W Electronic Ceramic Metal Halide Lighting Ballast, 220 → 240 V
    RS Stock No.:
    544-349
    Mfr. Part No.:
    HID-PV C 070I
    Datasheets:
    £31.82
    Each
    Philips Lighting
    70 W
    -
    Electronic
    -
    Ceramic Metal Halide
    220 → 240 V
    No
    Yes
    188 mm
    82.7 mm
    35mm
    -20°C
    +45°C
    Product Image
    Philips Lighting 58 W Electronic Fluorescent Lighting Ballast, 220 → 240 V
    RS Stock No.:
    243-2904
    Mfr. Part No.:
    HFR258TLDII
    Datasheets:
    £59.30
    Each
    Philips Lighting
    58 W
    -
    Electronic
    TLD
    Fluorescent
    220 → 240 V
    Yes
    Yes
    360 mm
    30 mm
    22mm
    +5°C
    +50°C
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