Mean Well DRDN-20-12 redundant power supply module

Introduction

The DRDN-20-12 DIN rail power supply from MEAN WELL is a specialized, redundant device designed for industrial applications and automation systems requiring continuous, reliable 12V power. The DRDN-20-12 redundant power supply ensures maximum power availability thanks to parallel operation and automatic switching between sources, making it an ideal solution for critical installations.

The MEAN WELL brand – a guarantee of quality and reliability

MEAN WELL is a global leader in the production of industrial power supplies, known for high quality, innovative solutions and a wide range of products adapted to various applications. MEAN WELL power supplies are valued by specialists in the automation, telecommunications, and security systems industries, and the brand is recognized worldwide.

General Description of the DRDN-20-12 Power Supply

The DRDN-20-12 redundant power supply is a 20W model designed for mounting on a TS35/7.5 or 15 DIN rail. The device features a wide input voltage range (85–264VAC), high efficiency, and advanced security systems. The DRDN-20-12 power supply allows for redundant operation, ensuring continuous power supply even in the event of a module failure, making it an ideal solution for systems requiring maximum reliability.

Main features of the DRDN-20-12 power supply

• Output power: 20W
• Output voltage: 12V DC
• Maximum output current: 1.67A
• Input voltage range: 85–264VAC
• High efficiency: up to 89%
• Redundant power supply – parallel operation and automatic switching possible
• Advanced protection: short circuit, overload, overvoltage, Thermal Protection
• Operation Indication: LED
• DC OK Signal Output
• Cooling: Open Air Consumption
• Operating Temperature: -30°C to +70°C
• Mounting: DIN Rail TS35/7.5 or 15
• Dimensions: 36.2 x 90 x 87 mm
• Warranty: 3 years

Applications of the DRDN-20-12 Power Supply

The DRDN-20-12 power supply is used in industrial automation to power PLC controllers, SCADA systems, HMI panels, sensors, relays, and other control system components. It is also suitable for security systems, CCTV video monitoring, alarm systems, telecommunications, UPS systems, railways, transportation, energy installations, HVAC and BMS systems, where the highest power reliability is required.

Technical Specifications