Dimmable LED Driver Transformer AC12V – 25W

– Up to 25W LED loading
– Soft Start Technology
– Auto-resetting overload protection
– Auto-resetting over-temperature
– Short circuit protection
– 2×2 leads input and output terminals

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LED Colour Guide

Ledlam led colour temperatures 800px 2018 07

This LED AC12V Dimmable Electronic Driver Transformer suitable for converting mains voltage to supply LEDs with a low-voltage output. This product can power DC12V constant voltage LEDs with a 25W maximum load. We recommend to use Varilight V-Pro or V-Com LED dimmers with this driver to get the best dimming result.

The YT50LZ Dimmable varilight driver is specifically designed to be used with LED lighting. It is the recommended driver for all Ledlam 12v bulbs in addition to many other brands. Offering excellent value, the Varilight YT50LZ driver can be used in conjunction with both dimmable and non-dimmable LED bulbs.
 Soft start gently brings lights up to full brightness when you switch on an extends lamp life
Auto-resetting overload protection
Auto-resetting over-temperature
Short circuit protection
No minimum rating
Suitable as a dimmable driver for 12V a.c. LEDs

•Input Voltage: 230V a.c. +/-10% 50Hz for all Varilight Transformers
•Nominal Input Current: 0.22A
•Output Voltage: 11.5V a.c.
•Output Power Range: 0-50W
•Nominal Output Current: 4.3A
•Power Factor: 0.99
•Ambient Temp Range: 0-40C
•Overvoltage Category: II
•IP Protection: IP20
•Weight: 100g
•Input Terminals: 2 leads
•Output Terminals: 2 leads

Socket Type






Colour of item


Bulb Material


Lumens Wattage


Energy Savings




Bulb Length

91 mm

Bulb Diameter

41.5 mm


27.5 mm




2 Year



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We offer the following UK Mainland Shipping options.

Free Shipping on orders over £50

Free Shipping for G9, G4, R7S LEDs

Free Shipping for LED Panel Lights

Free Standard Delivery 3-5 Days: Free

Standard Delivery 2-3 Days: £3.98

Next Working Day Delivery: £8.99

Cut off time 5am weekdays

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LED Bulbs are included for the lamps?

Selected light fittings with the LED Bulb included mark comes with a Free LED Light Bulb Set.

So you don’t need to look after led bulbs, they are all included for FREE!

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LED Colour Guide

Ledlam led colour temperatures 800px 2018 07