وصف

ABB 3HAC026254-001 DSQC 662 Power Distribution Unit

The ABB 3HAC026254-001, also cataloged as the DSQC 662 Power Distribution Unit, distributes electrical power within the ABB IRC5 robot controller cabinet. It mounts inside the controller cabinet and uses documented X1-X9 connectors for cabinet-level power distribution.

Hardware Specifications

Parameter	Specification
Model	3HAC026254-001
Spare Model	3HAC026254-001
ABB Type	DSQC 662
Component Function	Power distribution unit
Brand	ABB
Controller Family	IRC5
Installation Location	Controller cabinet
Documented Connectors	X1-X9
Origin	Sweden
Weight	0.42 kg
Dimensions	16.5 x 11.1 x 7.8 cm estimated shipping size

ABB Industrial Control and Power Distribution Characteristics

The DSQC 662 operates as a cabinet-level power distribution component within the IRC5 controller architecture. Its documented X1-X9 connector group provides the physical interface for the associated cabinet wiring.

Because the supplied data does not define connector pin assignments, voltage ratings, current ratings, or internal circuit topology, these values should not be inferred from the part number. Therefore, technicians should verify the applicable IRC5 wiring diagram and controller-specific bill of materials before replacement.

Firmware flash compatibility does not constitute a specified feature for this passive power distribution unit. Instead, configuration compatibility depends on the installed IRC5 controller variant and its documented hardware arrangement.

Frequently Asked Questions

Q: Can the 3HAC026254-001 be replaced without disconnecting controller power?
A: No. The supplied documentation specifically requires mains power disconnection before cabinet work. Follow the applicable ABB service procedure before removing the unit.

Q: What connectors are documented for the DSQC 662?
A: The supplied technical data identifies connectors X1 through X9. Pin functions and electrical ratings require verification against the applicable ABB documentation.

Q: Does the provided specification define the DSQC 662 power consumption?
A: No. The supplied data does not specify a power-consumption value. Do not substitute an assumed current or wattage value during system engineering.

Field Installation Guidelines

1. Disconnect and isolate mains power before opening the IRC5 controller cabinet.
2. Confirm the complete order number 3HAC026254-001 against the installed hardware and controller bill of materials.
3. Record the existing cable positions before disconnecting connectors X1-X9.
4. Inspect connector bodies, terminals, and mating interfaces for contamination or mechanical damage.
5. Route cabinet wiring according to the original installation arrangement and applicable ABB wiring documentation.
6. Keep power wiring separated from sensitive communication or low-level signal wiring where the cabinet design requires segregation.
7. Ensure protective earth and cabinet bonding remain intact after installation.
8. Verify connector engagement and mechanical retention before restoring power.
9. Recommission the controller according to the applicable ABB IRC5 service procedure.
10. Confirm the installed hardware against the robot/controller serial number and current configuration documentation.

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