Dehner Elektronik SPE 150-48 AC/DC Power Supply Module, Enclosed, 48 V, 3.2 A, 150 W, Stabilized

Delivering 150 W of regulated 48 V DC power from a universal 85–264 V AC input, the Dehner Elektronik SPE 150-48 is a compact enclosed power supply built for demanding industrial and automation tasks. Its metal housing and convection cooling ensure reliable operation without a fan, while screw terminals simplify installation.

Overview

The SPE 150-48 is a stabilized AC/DC power supply module in a rugged enclosed metal case. It accepts a wide input voltage range of 85–264 V AC (or 120–370 V DC), making it suitable for global use. The output is precisely regulated at 48 V DC with a maximum current of 3.2 A, providing 150 W of continuous power. Protection against overload, overvoltage, and short circuit safeguards both the supply and connected equipment.

What stands out

• High efficiency of approximately 88% reduces energy waste and heat generation.
• Wide operating temperature range from -20°C to +70°C for harsh environments.
• Convection cooling eliminates the need for a fan, ensuring silent and maintenance-free operation.
• Chassis mount design with screw terminals allows quick and secure integration.

Technical details

• Input voltage: 85–264 V AC / 120–370 V DC
• Output voltage: 48 V DC (stabilized)
• Output current: 3.2 A
• Output power: 150 W
• Efficiency: ~88%
• Protection: overload, overvoltage, short circuit
• Operating temperature: -20°C to +70°C
• Cooling: convection (fanless)
• Connection: screw terminals
• Mounting: chassis mount
• Enclosure: enclosed metal housing

Our verdict

The SPE 150-48 is a robust and efficient power solution for industrial control systems, LED lighting, and automation equipment. Its wide input range and full protection features make it a dependable choice for professionals who need stable 48 V power in a compact form factor.