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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Omschrijving Prijs 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-stocknr. 781-2939
Fabrikantnummer22185153
FabrikantTridonic
€ 32,79
Each
Aantal stuks
49 W - Electronic T5 Fluorescent 220 → 240 V No Yes 280 mm 30 mm 21mm -25°C +60°C -
Nieuw
RS-stocknr. 204-4277
Fabrikantnummer913713028066
FabrikantPhilips Lighting
€ 18,89
Each
Aantal stuks
49 W - Electronic TL5 - 220-240 V - - 360 mm 22 mm 30mm -25°C +60°C -
RS-stocknr. 873-5117
FabrikantnummerQTi DALI 2x14/24/220-240 DIM
FabrikantOsram
€ 50,84
Each
Aantal stuks
22.5 W - Electronic T5, T8 Compact Fluorescent 220 → 240 V Yes - 423 mm 30 mm 21mm -25°C +75°C 1-10V
RS-stocknr. 873-5035
FabrikantnummerQTP-OPTIMAL 1x18-40
FabrikantOsram
€ 14,50
Each
Aantal stuks
40 W - Electronic T5 Fluorescent 220 → 240 V No - 280 mm 30 mm 21mm -20°C +50°C -
Nieuw
RS-stocknr. 204-4284
Fabrikantnummer913713031866
FabrikantPhilips Lighting
€ 16,97
Each
Aantal stuks
58 W - Electronic TL - 220-240 V - - 280 mm 28 mm 30mm -25°C +60°C -
RS-stocknr. 781-2948
Fabrikantnummer22185150
FabrikantTridonic
€ 35,91
Each
Aantal stuks
24 W - Electronic T5 Fluorescent 220 → 240 V No Yes 360 mm 30 mm 21mm -25°C +70°C -
RS-stocknr. 243-2904
FabrikantnummerHFR258TLDII
FabrikantPhilips Lighting
€ 80,96
Each
Aantal stuks
58 W - Electronic TLD Fluorescent 220 → 240 V Yes Yes 360 mm 30 mm 22mm +5°C +50°C 1-10V
RS-stocknr. 873-5079
FabrikantnummerQT-FIT5 1X14-35 / 220-240v
FabrikantOsram
€ 12,36
Each
Aantal stuks
35 W - Electronic T5 Fluorescent 220 → 240 V No - 280 mm 30 mm 21mm -15°C +50°C -
RS-stocknr. 781-2923
Fabrikantnummer22185147
FabrikantTridonic
€ 32,79
Each
Aantal stuks
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-stocknr. 873-5066
FabrikantnummerQTP5 2X14-35/220-240
FabrikantOsram
€ 16,93
Each
Aantal stuks
35 W - Electronic T5 Fluorescent 220 → 240 V No - 360 mm 30 mm 21mm -20°C +50°C -
RS-stocknr. 191-7738
Fabrikantnummer4008321537041
FabrikantOsram
€ 39,55
Each
Aantal stuks
- - Electronic - Fluorescent 220 → 240 V - - 103 mm 67 mm 31mm - - -
RS-stocknr. 873-5076
FabrikantnummerQT-FIT5 3X14 4X14 / 220-240v
FabrikantOsram
€ 15,86
Each
Aantal stuks
14 W - Electronic T5 Fluorescent 220 → 240 V No - 280 mm 40 mm 21mm -15°C +50°C -
RS-stocknr. 243-2875
FabrikantnummerHFR158TLDII
FabrikantPhilips Lighting
€ 65,46
Each
Aantal stuks
58 W - Electronic TLD Fluorescent 220 → 240 V Yes Yes 360 mm 30 mm 22mm +5°C +50°C 1-10V
Nieuw
RS-stocknr. 204-4162
Fabrikantnummer913700653066
FabrikantPhilips Lighting
€ 37,65
Each
Aantal stuks
70 W - Electronic CDM - 220-240 V - - 106.6 mm 71.6 mm 29.6mm -20°C +50°C -
Nieuw
RS-stocknr. 204-4275
Fabrikantnummer913713034066
FabrikantPhilips Lighting
€ 21,13
Each
Aantal stuks
24, 39 W - Electronic TL5 - 220-240 V - - 360 mm 21 mm 30mm -25°C +60°C -
Nieuw
RS-stocknr. 204-4160
Fabrikantnummer913700630866
FabrikantPhilips Lighting
€ 23,03
Each
Aantal stuks
22-42 W - Electronic TL5 - 220-240 V - - 103 mm 57.5 mm 30mm -25°C +50°C -
Nieuw
RS-stocknr. 204-4280
Fabrikantnummer913713028166
FabrikantPhilips Lighting
€ 19,83
Each
Aantal stuks
49 W - Electronic TL5 - 220-240 V - - 360 mm 22 mm 30mm -25°C +60°C -
RS-stocknr. 873-5088
FabrikantnummerQTP-M 2X26-32/220-240 S
FabrikantOsram
€ 17,55
Each
Aantal stuks
68 W - Electronic CFL Fluorescent 220 → 240 V No - 123 mm 79 mm 33mm -20°C +50°C -
Nieuw
RS-stocknr. 204-4278
Fabrikantnummer913713028266
FabrikantPhilips Lighting
€ 18,89
Each
Aantal stuks
54, 55 W - Electronic TL5 - 220-240 V - - 360 mm 22 mm 30mm -25°C +60°C -
RS-stocknr. 781-2954
Fabrikantnummer22185156
FabrikantTridonic
€ 37,15
Each
Aantal stuks
54 W - Electronic T5 Fluorescent 220 → 240 V No Yes 360 mm 30 mm 21mm -25°C +55°C -
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