MEAN WELL 20A Enclosed Redundancy Module for 5V/12V/24V/48V Systems ERDN20-48

MEAN WELL ERDN20-48 redundancy module is a 20A enclosed accessory designed to enhance the reliability of DC power supply systems ranging from 5V to 48V. It supports 1+1 and N+1 redundancy configurations, featuring two input channels and one output channel that ensure continuous power delivery even if one power source fails. The module is suitable for use with various voltage levels, making it versatile for different industrial power setups.

This device operates across an ultra-wide temperature range of -40°C to +80°C, with derating applied above +60°C, enabling it to perform reliably under harsh environmental conditions. Cooling is achieved by free air convection, which avoids the need for additional cooling hardware.

It provides built-in DC OK signals on both input channels and includes an alarm relay contact, aiding system diagnostics and fault detection. The redundancy module adheres to several rigorous international standards such as EN61000-4-5, RoHS, UL62368-1, CE, EAC, and others, underscoring its compliance and quality assurance.

Perfectly suited for industrial control systems, semiconductor fabrication equipment, factory automation lines, and electro-mechanical apparatuses, this module offers a reliable solution to critical power backup needs. MEAN WELL offers a 3-year warranty, emphasizing product durability and user assurance.

Supports 1+1 and N+1 redundancy system configurations. Two input channels and one output channel for redundancy. Compatible with power supply systems of 5V, 12V, 24V, and 48V. Maximum output current rating of 20A. Free air convection cooling method.

Operating temperature range from -40 to +80°C, with derating over 60°C. Built-in DC OK signals and alarm relay contact. Meets various international standards including EN and UL approvals. Explore more Power Supply Accessories and reliable redundancy solutions at EnvMart for industrial and commercial applications.