ABB SD831 3BSC610064R1 Power Supply

Overview

The ABB SD831 is a reliable industrial power supply designed for SELV and PELV applications. It delivers stable 24 V DC power to automation and control systems, ensuring consistent performance in demanding environments.

General Information

• Type: Power Supply

• Rated Output Current: 3 A

• Rated Output Power: 72 W

• Rated Output Voltage: 24 V DC

• Rated Input Power: 134/143 VA

• Mains/Input Voltage, Nominal: 100–240 V AC / 110–300 V DC

• Applications: SELV and PELV

• Efficiency: 88 / 89.8 %

Technical Specifications

• Mains Voltage Variation Allowed: 100–240 V AC ±10 %, 110–300 V DC -20 % / +25 %

• Mains Frequency: 50–60 Hz ±6 %

• Primary Peak Inrush Current at Power On: <28 / <54 A

• Power Factor (at Rated Output Power): 0.61 / 0.56

• Heat Dissipation: 10 / 8 W

• Output Voltage Regulation at Max. Current: <50 mV / <100 mV

• Ripple (Peak-to-Peak): <50 mV

• Secondary Voltage Holdup Time at Mains Blackout: 29 / 120 ms

• Maximum Output Current: 3.3 A

• Maximum Ambient Temperature: 55 °C

• Primary: Recommended External Fuse: 10–20 A

• Secondary: Short Circuit Protection: 4–8 A

• Output Over Voltage Protection: <39 V

Environment and Certification

• CE Mark: Yes

• Electrical Safety: IEC 61131-2, UL 508, EN 50178

• ATEX / IECEx Zone 2: No

• Hazardous Location Class 1 Div 2: No

• Marine Certification: ABS, BV, DNV-GL, LR

• Protection Rating: IP20 (IEC 60529)

• Corrosive Atmosphere: ISA-S71.04 G2

• Pollution Degree: 2 (IEC 60664-1)

• Mechanical Operating Conditions: IEC 61131-2

• EMC: EN 61000-6-4, EN 61000-6-2

• Overvoltage Categories: Over-voltage Category III (IEC/EN 60664-1)

• Equipment Class: Class 1 (EN 50718; 3.56)

Dimensions and Mounting

• Width: 32 mm (1.26")

• Depth: 102 mm (4.02")

• Height: 124 mm (4.88")

• Weight: 430 g (0.9 lbs.)

• Mounting Spacing (W): 15 mm (0.59")

• Mounting Spacing (H): 40 mm (1.57")