DRDN20-12 — 12V / 20A DIN Rail Redundancy Module

The DRDN20-12 is a 20A DIN rail redundancy module designed for 12V DC systems to support 1+1 and N+1 redundant power configurations. It features two independent inputs and one output, automatically switching between power sources to increase system reliability.

The module utilizes MOSFET technology to minimize voltage drop and reduce power losses.

Key Specifications:

• Nominal voltage: 12V DC

• Voltage range: 9–14V DC

• Rated current: 20A

• Peak current: up to 30A (5 sec., no damage)

• Max. voltage drop (Vin–Vout): 0.25V

• Efficiency: up to 98%

• 2 input channels / 1 output

• DC OK relay contact (30VDC / 1A)

• Standby power loss: 1.5W

Protection Features:

• Short Circuit Protection

• Reverse Current Protection

• Reverse Voltage Protection (up to 40VDC)

Operating Conditions:

• Operating temperature: -40°C to +80°C

• DIN rail mounting TS35/7.5 or TS35/15

• IP20

• Dimensions: 32 × 125.2 × 102 mm

• 4-year warranty