ABB SD834 3BSC610067R1 Industrial Switched-Mode Power Supply 24V 40A

Description

The ABB SD834 (3BSC610067R1) is a high-capacity 24V DC power supply for System 800xA and AC 800M controllers. Delivering up to 40A, it provides reliable power for large I/O clusters and control cabinets. Designed for demanding DCS applications, it ensures high efficiency, strong protection, and long-term operational reliability.

Specifications

• Manufacturer: ABB

• Model Designation: SD834

• Order Number: 3BSC610067R1

• Product Type: Power Supply Device

• Input Voltage: 100–240V AC (Auto-ranging)

• Output Voltage: 24V DC

• Output Current: 40A

• Power Output: 960W

• Mounting: Standard 35mm DIN Rail

• Efficiency: Typically >92%

• Operating Temperature: -25 to +70°C (with derating)

Features

• High Output Capacity: Delivers 40 Amps of continuous current, capable of powering extensive distributed control system components from a single unit.

• Redundancy Compatibility: Designed for integration into N+1 redundancy schemes when paired with external voting modules, preventing system downtime.

• Superior Regulation: Maintains exceptionally tight voltage tolerances to protect sensitive digital processors from power fluctuations and line noise.

• Advanced Safety Circuitry: Features built-in electronic protection against short circuits, thermal runaway, and significant overvoltage transients.

• Efficient Heat Dissipation: Engineered with a robust metal housing and optimized airflow design to manage high power throughput without compromising internal components.

• Mains Monitoring: Integrated "DC OK" signaling and diagnostics allow for real-time monitoring of the power supply status within the control loop.