SD831

Overview

SD831 is an ABB 24 VDC power supply designed for a wide input voltage range with efficient performance.

Electrical Performance

• Mains Voltage Variation: 100-240 V a.c. ±10 %, 110-300 V d.c. -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

• Ripple (Peak to Peak): <50 mV

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

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

• Maximum Output Current: 3.3 A

• Output Over Voltage Protection: <39 V

Protection & Safety

• Primary Recommended External Fuse: 10-20 A

• Secondary Short Circuit Protection: 4-8 A

Environmental Conditions

• Maximum Ambient Temperature: 55 °C

Dimensions

• 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")

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