LED Drivers

LED drivers, sometimes referred to as LED power supplies or LED transformers, are modules designed to regulate and provide power to LED components. They are used for regulating LED lighting systems in domestic or commercial environments. LED transformers are designed for powering LEDs with a higher output wattage.
The LED driver is a self-contained power supply that regulates the AC current power to the low DC voltage LED. They ensure that a constant flow of power is maintained even as the LED’s electrical properties change with increased temperature. The driver will respond to temperature changes in the LED, ensuring that it does not overheat, which can cause flickering or poor performance.

Constant Current vs. Constant Voltage
Constant current LED drivers maintain a constant current throughout the electronic circuit but vary in voltage. They are ideal for powering high-power LEDs as they maintain the same current.
Constant voltage LED drivers maintain a constant voltage. They are ideal for LEDs in a string, for example LED strips. Constant voltage drivers work best with LED products which already have current control, such as a resistor.

Dimmable Drivers
Dimmable LED drivers are also available for dimming control. These can be used to dim LED lighting to the desired level, making them very useful in commercial mood lighting. Dimming operations include 0 to 10V, DMX and DALI.

Compatibility
The RS Range of LED drivers includes models with various input/output levels and configurations to suit your LED lighting array. They are also available in a variety of ingress protection levels, meaning that your lighting set up needn’t be hindered by environmental factors.

IP Rating
The IP rating of an LED driver represents its water-resistance. Lower numbers such as IP20 are best suited for indoor use. IP44 is suitable for use in areas that may come into contact with water splashes, such as LED strip lighting in a kitchen. IP67 LED drivers are rugged and are ideal for use outdoors where it could become submerged with water.

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Description Price Input Voltage Output Voltage Operation Output Current Maximum Output Power Dimming Operation AC or DC Input Voltage IP Rating Configuration Current Rating Number of Outputs Output Automotive Standard Power Dissipation
RS Stock No. 893-0558
Mfr. Part No.DALI MAGIC/220-240V DIM
BrandOsram
£216.82
Each
Units
176 → 276 V dc, 198 → 264 V ac 54 → 240V Constant Current 250 → 1000mA 1.5 → 90W DALI ac, dc IP20 Sealed - 1 - - -
RS Stock No. 893-0502
Mfr. Part No.OTi DALI 25/220-240/700 LT2
BrandOsram
£20.94
Each
Units
176 → 276 V dc, 198 → 264 V ac 12 → 54V Constant Current 700mA 27W DALI ac, dc IP20 Sealed - 1 12 → 54 V @ 700 mA - -
RS Stock No. 893-0561
Mfr. Part No.OTE 13/220-240/350 PC
BrandOsram
£8.26
Each
Units
198 → 264 V ac 18 → 38V Constant Current 350mA 13W Leading Edge ac IP20 Sealed - 1 18 → 38 V @ 350 mA - 3W
RS Stock No. 171-1606
Mfr. Part No.OTE 13/220-240/350 PC
BrandOsram
£7.167
Each (In a Box of 20)
Units
198 → 264 V ac 18 → 38V Constant Current 350mA 13W Leading Edge ac IP20 Sealed - 1 18 → 38 V @ 350 mA - 3W
RS Stock No. 893-0555
Mfr. Part No.OTI DALI 50/220-240/1A4 LT2 L
BrandOsram
£27.73
Each
Units
176 → 276 V dc, 198 → 264 V ac 20 → 54V Constant Current 1.4A 54W DALI ac, dc IP20 Sealed - 1 20 → 54 V @ 1400 mA - 6.5W
RS Stock No. 171-1592
Mfr. Part No.OTE 50/220-240/1A4 CS
BrandOsram
£14.416
Each (In a Box of 20)
Units
198 → 264 V ac 18 → 36V Constant Current 1.4A 50W - ac IP20 Sealed - 1 18 → 36 V @ 1400 mA - 7.5W
RS Stock No. 893-0508
Mfr. Part No.OTE 50/220-240/1A4 CS
BrandOsram
£16.70
Each
Units
198 → 264 V ac 18 → 36V Constant Current 1.4A 50W - ac IP20 Sealed - 1 18 → 36 V @ 1400 mA - 7.5W
RS Stock No. 171-1610
Mfr. Part No.OTE 25/220-240/700 PC
BrandOsram
£8.267
Each (In a Box of 10)
Units
198 → 264 V ac 18 → 36V Constant Current 700mA 25W Leading Edge ac IP20 Sealed - 1 18 → 36 V @ 700 mA - 4.4W
RS Stock No. 893-0577
Mfr. Part No.OTE 25/220-240/700 PC
BrandOsram
£10.07
Each
Units
198 → 264 V ac 18 → 36V Constant Current 700mA 25W Leading Edge ac IP20 Sealed - 1 18 → 36 V @ 700 mA - 4.4W
RS Stock No. 173-0020
Mfr. Part No.OT 6/200-240/24 CE
BrandOsram
£22.846
Each (In a Box of 20)
Units
200 → 240 V 24V Constant Voltage 250mA 6W - ac IP65 - - - - - -
RS Stock No. 555-907
Mfr. Part No.OT 6/200-240/24 CE
BrandOsram
£25.38
Each
Units
200 → 240 V 24V Constant Voltage 250mA 6W - ac IP65 - - - - - -
RS Stock No. 760-6181
Mfr. Part No.OT 120/220-240/24 P
BrandOsram
£52.94
Each
Units
198 → 264 V 24V Constant Voltage 5A 120W - ac IP67 - - - - - -
RS Stock No. 171-1570
Mfr. Part No.OT 120/220-240/24 P
BrandOsram
£47.644
Each (In a Box of 10)
Units
198 → 264 V 24V Constant Voltage 5A 120W - ac IP67 - - - - - -
RS Stock No. 893-0568
Mfr. Part No.OTE 18/220-240/500 PC
BrandOsram
£8.77
Each
Units
198 → 264 V ac 18 → 36V Constant Current 500mA 18W Leading Edge ac IP20 Sealed - 1 18 → 36 V @ 500 mA - 3.5W
RS Stock No. 171-1608
Mfr. Part No.OTE 18/220-240/500 PC
BrandOsram
£7.584
Each (In a Box of 20)
Units
198 → 264 V ac 18 → 36V Constant Current 500mA 18W Leading Edge ac IP20 Sealed - 1 18 → 36 V @ 500 mA - 3.5W
RS Stock No. 171-1594
Mfr. Part No.OTI DALI 50/220-240/1A4 LT2FAN
BrandOsram
£22.693
Each (In a Box of 20)
Units
176 → 276 V dc, 198 → 264 V ac 15 → 54V Constant Current 1.4A 55W DALI ac, dc IP20 Sealed - 1 15 → 54 V @ 1400 mA - -
RS Stock No. 893-0514
Mfr. Part No.OTi DALI 50/220-240/1A4 LT2FAN
BrandOsram
£25.21
Each
Units
176 → 276 V dc, 198 → 264 V ac 15 → 54V Constant Current 1.4A 55W DALI ac, dc IP20 Sealed - 1 15 → 54 V @ 1400 mA - -
RS Stock No. 651-8529
Mfr. Part No.OT75/220-240/24
BrandOsram
£45.39
Each
Units
220 → 240 V 24V Constant Voltage 3.13A 75W - ac IP64 - - - - - -
RS Stock No. 173-0021
Mfr. Part No.OT75/220-240/24
BrandOsram
£33.45
Each (In a Box of 10)
Units
220 → 240 V 24V Constant Voltage 3.13A 75W - ac IP64 - - - - - -
RS Stock No. 893-0564
Mfr. Part No.OTE 18/220-240/350 PC
BrandOsram
£8.68
Each
Units
198 → 264 V ac 27 → 54V Constant Current 350mA 19W Leading Edge ac IP20 Sealed - 1 27 → 54 V @ 350 mA - 4W