Description

ABB DSQC345B Rectifier Unit / Robot Controller Power Module

The ABB DSQC345B, also cataloged as the DSQC345B Rectifier Unit, provides AC to DC power conversion for ABB S4C robot controller power circuits. The module executes DC supply generation for servo drive and control hardware assemblies inside ABB industrial robot cabinets.

Hardware Specifications

Parameter	Specification
Model	DSQC345B
Brand	ABB
Product Type	Rectifier Unit / Bridge Rectifier Module
Application	ABB Industrial Robot Controller Power System
Controller Platform	ABB S4C Robot Controller
Related Part Number	3HAB8101-2/04B
Power Conversion Type	AC to DC rectification
Input Voltage	230 VAC typical
Output Voltage	24 VDC typical
Output Current	10 A typical
Installation Location	Robot control cabinet
Compatible Robot Series	ABB IRB series
Origin	Sweden / Switzerland depending on supply source
Weight	Approx. 0.3 kg to 3.3 kg depending on assembly version
Dimensions	Approx. 112 mm x 77 mm x 20 mm reference
Operating Temp	Industrial cabinet environment
Power Consumption	Determined by connected robot control load

ABB Robot Power Conversion and Control Cabinet Integration

The DSQC345B operates as a power conversion component within ABB robot controller assemblies. It transforms AC input voltage into DC power used by control electronics and servo-related circuits. Therefore, correct installation requires verification of the controller configuration, terminal wiring, and DC output requirements.

For ABB industrial control platforms, hardware compatibility depends on cabinet architecture, power distribution design, and module revision. The DSQC345B supports replacement applications where the original rectifier unit part number matches the installed controller configuration.

Frequently Asked Questions

Q: What electrical function does the ABB DSQC345B perform?
A: The DSQC345B performs AC to DC rectification and supplies DC power for ABB robot controller power circuits and associated control hardware.

Q: Can the DSQC345B be installed in any ABB robot controller cabinet?
A: No. Installation requires confirmation of the controller model, power circuit design, connector arrangement, and matching ABB spare part number.

Q: Does the DSQC345B require parameter configuration after installation?
A: The rectifier unit does not normally require software parameter configuration. The technician must verify electrical connections and DC output conditions before system operation.

Field Installation Guidelines

• Disconnect all AC power sources before removing the existing rectifier unit.
• Verify the replacement module part number before installation.
• Inspect terminal connections and cable routing inside the robot cabinet.
• Maintain correct grounding and protective earth connections.
• Confirm DC output voltage before enabling robot controller operation.
• Check cabinet ventilation and surrounding environmental conditions.
• Perform functional testing of the robot controller and servo power system after replacement.

Specifications

• Brand: ABB

Advantages

• High reliability in industrial environments
• Supports continuous operation
• Compatible with major PLC/DCS systems