SD834 3BSC610067R1 Overview

The ABB Power Supply Units SD834 3BSC610067R1 is a 20A, 24V DC DIN-rail power supply. It accepts wide-range AC/DC input, features over-current and over-voltage protection, and is suitable for non-redundant or redundant applications with a voting unit.

Technical Data Summary 

Input: Wide-range AC (100-240V) or DC (110-300V).

Output: 24V DC, 20A (480W).

Safety: Complies with EN 50178, EN 61131-2, and UL 508 standards.

Protection: Features over-current and over-voltage (OVP) protection.

Application: Suitable for SELV/PELV, non-redundant, and redundant (with voting unit) systems.

Mounting: Simple DIN-rail installation with a soft-start feature.

FAQ

Q1: What are the main input and output specifications of the ABB SD834 power supply?

A1: It accepts a wide-range input of 100-240V AC or 110-300V DC and provides a 24V DC, 20A (480W) output.

Q2: Does the SD834 comply with international safety standards?

A2: Yes, it meets electrical safety standards including EN 50178, EN 61131-2, and UL 508, and is suitable for SELV/PELV applications.

Q3: Can the SD834 be used in redundant power systems?

A3: Yes, it supports redundant configurations when used with a diode voting unit such as the SS823 or SS832.

Q4: What protection features does this power supply offer?

A4: It includes over-current (current limit) and over-voltage (OVP) protection for safe and reliable operation.

Q5: How is the SD834 mounted and installed?

A5: It is designed for simple DIN-rail mounting and includes a soft-start feature to prevent tripping fuses or circuit breakers during power-on.