Product Description

The ABB SS822 (part number 3BSC610042R1) is a redundancy module designed to ensure uninterrupted power supply in industrial systems. As a dual power voting unit, it manages two independent 24V DC inputs and provides a stable single output. By automatically switching between inputs in the event of a power failure, it guarantees high system availability and protects critical equipment from downtime.

The SS822 features built-in diagnostic indicators (LEDs) that clearly display the status of each power input, making it easy for operators to monitor and maintain system reliability.

Technical Specifications

• Manufacturer: ABB

• Model: SS822

• Part Number: 3BSC610042R1

• Category: Redundancy Module

• Dimensions (H × W × D): 120 × 45 × 120 mm

• Weight: 0.28 kg (0.62 lbs)

• Input Voltage: 24–28V DC

• Number of Inputs: 2

• Output Voltage: 24V DC

• Max. Output Current: 20 A

• Connectors: Screw terminals

• Power Dissipation: 6 W (max)

• Mounting: DIN rail

• Operating Temperature: -25 to +70 °C (-13 to +158 °F)

• Component Count: 1 (single module)