Cosel / Elco K50AU-5 Power Supply

The Cosel/Elco K50AU-5 is a 50 W single-output AC-DC power supply delivering 5 VDC at 10 A for industrial and electronic applications. This compact K Series unit accepts dual input sources

AC 85–132 V or DC 110–170 V at 47–440 Hz - making it suitable for global deployment and mixed-source environments. Built-in protection circuits including automatic-recovery overcurrent protection and galvanic isolation (AC 1500 V for 1 minute; DC 500 V at 50 MΩ minimum) safeguard connected equipment. UL Recognized and CSA Certified.

Technical Specifications

Output: 5 VDC, 10 A (50 W)

Input: AC 85–132 V or DC 110–170 V; 47–440 Hz

Efficiency: 67% typical (AC input 100 V, 100% load)

Line Regulation: ±1%

Load Regulation: ±10%

Ripple and Noise: 100 mV maximum (AC input 85 V, 100% load)

Start-up Time: 16 ms typical (AC input 85 V, 100% load)

Hold-up Time: 50 ms maximum (AC input 85 V, 100% load)

Inrush Current: 25 A typical

Operating Temperature: 0 to +70 °C

Storage Temperature: −20 to +75 °C

Humidity: 30 to 90% RH (non-condensing)

Vibration: 10–55 Hz, 1 G, 3 minute period; 30 minutes per axis (X, Y, Z)

Impact: 10 G, 20 ms, once per axis (X, Y, Z)

Weight: Approximately 300 g or less (without optional cover)

Isolation: AC 1500 V (1 minute), DC 500 V (50 MΩ minimum)

EMI/RFI: FCC-A compliant

Certifications: UL Recognized; CSA Certified

Key Features

Overcurrent protection with automatic recovery above 105% rated current

Dual input voltage acceptance (AC or DC)

Wide input frequency range supports 47–440 Hz operation

Terminal-type connectors for industrial mounting

Optional protective cover available

Compact industrial form factor

Typical Applications Industrial control systems, test equipment, distributed power networks, and embedded systems requiring stable 5 V supplies across variable input conditions.

Compatibility & Integration This unit does not support parallel or series operation with other power supplies.