Switching Power Supply for LED Lighting MDR-40-12 – 40W DIN Rail Mount

MDR-40-12 is a high-performance and compact 12V / 3.33A DIN rail switching power supply, designed for direct installation onto a standard DIN rail. Manufactured by the trusted brand Mean Well, this model is one of the most popular solutions for industrial control panels, automation systems, LED lighting, security equipment, and smart home installations.

With an output power of 40W and regulated 12V DC output, it delivers reliable and stable power with high efficiency and low energy loss. Its slim profile (only 40 mm wide) saves space in distribution boards and allows quick and easy mounting on a 35mm DIN rail (TS-35).

Key features of the MDR-40-12 power supply:

• 12V DC output / 3.33A (adjustable ±10%)
• Mounting on standard DIN rail TS-35 / 7.5 or 15
• High efficiency up to 86%
• Built-in protections against overload, overvoltage, and short circuit
• Operating temperature from -20 °C to +70 °C (fanless design)
• Certified by CE, UL, TUV – suitable for industrial environments

This 12V DIN rail power supply is the perfect choice for professionals seeking a reliable, long-lasting, and easy-to-install power solution. Ideal for use in automation control panels, production lines, surveillance systems, and smart building installations.

If you're looking for the trusted Mean Well MDR-40-12, choose a proven DIN rail power supply that meets the highest standards of reliability and performance for both industrial and modern smart infrastructure applications.