
MLA Knightsbridge 12DC40 IP20 12V DC 40W LED Driver - Constant Voltage
12DC40
12DC40 40W LED Driver – 12V DC, IP20, Constant Voltage
The 12DC40 is a reliable 12V constant voltage LED driver designed for use with compatible low voltage LED fittings. Featuring integrated safety protections and SELV compliance, it is ideal for indoor lighting installations where safety and performance are critical.
- Constant Voltage Output: Provides a stable 12V DC supply suitable for LED strips and low voltage luminaires.
- Robust Protection Features: Built-in open circuit, short circuit, overheat and overload protection for safe, continuous operation.
- Class II Design: Double insulated construction, no earth connection required.
- SELV Compliant: Ensures safe extra-low voltage output for use in sensitive environments.
- Secure Wiring: Captive terminal screws offer reliable and secure connections.
Technical Specification
- Input Voltage: 230V AC
- Output Voltage: 12V DC
- Wattage: 40W
- IP Rating: IP20
- Protection: Open circuit, short circuit, overload, overheat
✅ Install the 12DC40 for a safe and efficient 12V power solution to support your low-voltage LED applications with confidence!

Range | MLA Knightsbridge Transformers & LED Drivers |
Product | LED Driver |
Type | Constant Voltage |
Wattage | 40 W |
Ingress Protection | IP20 |
Delivery Options:
- PRIORITY DELIVERY – Next Working Day (All items in stock and ordered before 3 pm) - £7.08 inc-VAT. (£5.90 ex-VAT)
- STANDARD DELIVERY – 2–3 Working Days From Despatch (subject to stock availability) - £4.99 inc-VAT. (£4.16 ex-VAT)
- Orders Over £100 (before VAT): We offer free standard shipping on all orders shipped to UK mainland addresses
- Orders under £100 (before VAT): Our standard delivery fee to UK mainland addresses is £5.90 ex-VAT (£7.08 inc-VAT)
*Delivery charges to JE, GY, TR, BT, IM, IV, HS, KW, ZE and certain PA post codes are £12 ex-VAT for all orders (Prices subject to change).
Items requiring specialist shipping:
- Orders containing Solar Panels, Batteries and/or Inverters: Up to 50 qty will be dispatched on a pallet and incur a £120 ex-VAT delivery charge**.
**Delivery charges to JE, GY, TR, BT, IM, IV, HS, KW, ZE and certain PA post codes are £180 ex-VAT (Prices subject to change).
Contact us if you have any further questions.