MEAN WELL DRA Switched Mode DIN Rail Power Supply 370V DC, 264V AC Input 15V DC, 3.34A Output, 40W DRA-40-12

MEAN WELL DRA-40-12 is a compact switched mode DIN Rail Power Supply that provides a stable 15V DC output at 3.34A with a total power rating of 40W. Designed to operate with universal AC/DC input voltages up to 370V DC and 264V AC, this PSU supports single-phase electrical input and is suitable for diverse industrial and automation applications.

The power supply is engineered with a built-in 3 in 1 dimming function enabling control through 1 to 10V DC, PWM signals, or resistance dimming to adjust LED lighting intensity effectively. Its slim 40mm width and ability to mount on standard TS-35/7.5 or 15 DIN rails make it suitable for installations requiring space optimization.

Robust protection features including short circuit, overload, and overvoltage safeguards enhance reliability and operator safety. The design features convection cooling without fans and includes an LED power-on indicator for convenient operation monitoring.

Operating reliably in a temperature range from -30°C to +70°C, the unit meets internationally recognized standards including UL, TUV EN 609501, and RoHS compliance, making it a dependable choice for industrial, manufacturing, HVAC, and laboratory environments requiring high-quality DIN Rail power supplies.

This power supply is particularly well-suited for powering devices such as sensors, motors, actuators, solenoids, and relays in automation and instrumentation applications. Its slim profile and efficient energy use up to 87% efficiency contribute to reduced power consumption and heat generation.

Universal AC/DC input voltage compatible up to 370V DC or 264V AC. Compact 40mm width ideal for space-saving installations on TS-35/7.5 or 15 DIN rails. Built-in 3 in 1 dimming function supporting 1 - 10V DC, PWM signal, and resistance dimming.

Multiple protections including short circuit, overload, and overvoltage. Efficient cooling by free air convection without need for fans. LED indicator for power-on status ensuring easy monitoring. Wide operating temperature range from -30°C to +70°C suitable for harsh environments.

Complies with UL, TUV EN 609501 standards and RoHS directive. High efficiency up to 87% for energy saving. Ideal for industrial automation, machine vision, and plant cultivation systems. Explore more DIN Rail Power Supplies and industrial power solutions at EnvMart for reliable and efficient power management.