Skip to content

What are you looking for?


You may also like

ABB AGPS-21C Power Supply BoardABB AGPS-21C Power Supply BoardABB AGPS-21C Power Supply Board
ABB AGPS-21C Power Supply Board
ABB AGPS-21C Power Supply Board
ABB AGPS-21C Power Supply Board

ABB AGPS-21C Power Supply Board


Only 10 left - Selling fast

PRODUCT SKU : AGPS-21C

PRODUCT TYPE : Power Supplies

PRODUCT VENDOR : ABB


  • 100% Genuine Parts – Risk-Free 30-Day Returns
  • 1-Year Warranty & Expert Support for Every Order

Product Details

The ABB AGPS-21C, also cataloged as the AGPS-21C Power Supply, operates as a dedicated hardware component for AC-to-DC power conversion and voltage regulation within ABB Q950 automation systems.

Hardware Specifications

Parameter Specification
Model AGPS-21C
Brand ABB
Origin Germany
Weight 3.00 lbs (1.36 kg)
Dimensions Standard Rack Module Enclosure
Operating Temp 0 to 60 deg C
Power Consumption 115/230 VAC Nominal Input
Output Voltage 24 VDC System Power
Module Category Power Supply Units
System Platform ABB Q950 Systems

Deterministic Network Integration and I/O Density Scaling

The AGPS-21C power supply converts incoming AC line power to stabilized 24 VDC power rails that energize system backplanes and field bus nodes across Profinet and EtherNet/IP deterministic networks. Internal voltage monitoring circuitry regulates output rail stability during high-load switching events, supporting maximum I/O density scaling across expanded automation racks. Built-in filter stages maintain low noise figures on internal buses to preserve backplane bus communication velocity and ensure seamless firmware flash compatibility across active controller modules.

Frequently Asked Questions

Q: Does the AGPS-21C support hot-swapping while the host system backplane is fully powered?

A: No, primary AC input power and output load connections must be isolated prior to inserting or removing the power supply module to prevent electrical arcing and logic reset faults.

Q: How is the primary input voltage configured on the AGPS-21C?

A: The module accepts selectable 115 VAC or 230 VAC line inputs, configured via onboard terminal taps or jumper selection prior to energization.

Q: What primary output potential does the AGPS-21C deliver to connected system cards?

A: The unit provides a regulated 24 VDC output loop designed to power rack backplane buses and connected local I/O modules.

Field Installation Guidelines

  • Isolate all primary AC mains supplies and load circuits before mounting or servicing the power supply module.
  • Verify proper earth ground bonding between the module mounting chassis and the enclosure DIN rail or rack frame to ensure noise suppression.
  • Ensure correct input voltage tap selection (115 VAC or 230 VAC) matches site power before applying main distribution potential.
  • Maintain minimum vertical clearance of 50 mm above and below the power supply housing to facilitate natural convection heat dissipation.

Additional Information

  • 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
  • 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
  • 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
  • Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
  • Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
  • Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.




Recently Viewed Products

Tech & Buying Guide

Technical Insights, Installation Guides, and Buying Tips
The Shift to Flexible IO Modules in Modern Industrial Automation

The Shift to Flexible IO Modules in Modern Industrial Automation

Traditional control systems rely on dedicated Input Output (IO) cards for industrial automation. Each conventional module processes a single signal type, such as Digital Input (DI), Digital Output (DO), Analog Input (AI), or Analog Output (AO). A standard 16-channel card accepts only one specific channel type across all ports. This inflexible hardware design often creates severe engineering bottlenecks during project execution. Engineers frequently must install entirely new cards to accommodate a single extra sensor. Consequently, late design changes increase control cabinet space requirements and drive up project costs.

Read more
DCS Commissioning Steps in Industrial Automation Projects

DCS Commissioning Steps in Industrial Automation Projects

Commissioning a Distributed Control System (DCS) represents a crucial milestone when deploying modern process automation infrastructure. Field engineers must execute systematic verification steps to transition complex control hardware from static installation to dynamic plant control. Proper commissioning ensures that controllers, I/O modules, network switches, and HMI software operate in strict compliance with engineering design specifications before introducing live process fluids.

Read more
PLC and DCS Control System Spares Strategy: Engineering Guidelines

PLC and DCS Control System Spares Strategy: Engineering Guidelines

Modern factory automation relies on high-speed fiber optic backbones to link distributed control systems across noise-intensive industrial environments. Unlike copper wiring, optical fibers transmit data via light pulses, making them completely immune to electromagnetic interference (EMI). Field engineers must master optical cable joining and fusion splicing techniques to guarantee low-loss data transmission across critical Programmable Logic Controller (PLC) and Distributed Control System (DCS) nodes.

Read more