Available on working days between 9:00 am to 6:00 pm
Email us: sales2@industriaxplc.com
Available 24/7 for inquiries and support
Description
ABB SD831 3BSC610064R1 Power Supply Unit
The ABB SD831 3BSC610064R1, also cataloged as the SD831 Power Supply Unit, operates as a dedicated hardware component for converting mains input voltage into regulated 24 VDC output power within ABB industrial control system power networks.
Hardware Specifications
Parameter
Specification
Model
SD831 3BSC610064R1
Brand
ABB
Weight
430 g
Dimensions
32 mm W x 102 mm D x 124 mm H
Operating Temp
Maximum 55 deg C
Power Consumption
Rated output power 72 W, heat dissipation 10/8 W
Product Type
Power Supply Unit
Rated Output Voltage
24 VDC
Rated Output Current
3 A
Maximum Output Current
3.3 A
Rated Input Power
134/143 VA
Input Voltage Range
100-240 VAC +/-10 %, 110-300 VDC -20 % / +25 %
Mains Frequency
50-60 Hz +/-6 %
Efficiency
88/89.8 %
Output Ripple
< 50 mV peak to peak
Output Voltage Regulation
< 50 mV / < 100 mV at maximum current
Secondary Voltage Holdup Time
29/120 ms during mains blackout
Output Over Voltage Protection
< 39 V
Protection Rating
IP20 according to IEC 60529
Applications
SELV and PELV systems
Electrical Safety Standards
IEC 61131-2, UL 508, EN 50178
EMC Compliance
EN 61000-6-4 and EN 61000-6-2
Mounting Spacing
15 mm W, 40 mm H
ABB Industrial Power Network Characteristics
The ABB SD831 power supply integrates switch-mode conversion technology for industrial control power distribution. The unit accepts both AC and DC mains sources and provides a regulated 24 VDC secondary output for automation hardware.
The power supply supports non-redundant and redundant configurations. For redundant operation, ABB SS823 or SS832 diode voting units provide output selection and current path management between multiple power supply units.
The SD831 includes soft-start functionality. Therefore, power activation limits primary inrush current effects and prevents unnecessary triggering of upstream fuses or earth-fault circuit breakers.
The unit is designed for ABB automation environments requiring controlled DC power distribution, DIN-rail installation, and compatibility with SELV or PELV protection concepts.
Frequently Asked Questions
Q: Can the ABB SD831 operate in redundant power supply configurations? A: Yes. The SD831 supports redundant applications when combined with ABB SS823 or SS832 diode voting units. These units manage output power selection between parallel supply sources.
Q: Does the SD831 require an external mains filter for operation? A: No. The SD831 power supply design does not require installation of a mains filter for standard operation.
Q: What safety standards apply to the ABB SD831 power supply? A: The SD831 complies with IEC 61131-2, UL 508, and EN 50178 electrical safety requirements. The secondary output circuit is accepted for SELV and PELV applications.
Field Installation Guidelines
Install the ABB SD831 on a suitable DIN-rail mounting system with the specified mechanical spacing maintained around the enclosure. Ensure sufficient airflow around the unit to support thermal dissipation.
Connect input wiring according to the approved AC or DC supply range. Verify protective grounding connections before energizing the device.
For redundant configurations, install ABB SS823 or SS832 diode voting units according to the system architecture requirements. Keep power wiring separated from high-frequency switching cables and signal communication lines.
Check output polarity and verify the 24 VDC distribution voltage before connecting downstream automation modules. Follow cabinet grounding and EMC practices defined for ABB industrial control installations.
