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ABB 3HAC036260-001 DSQC431 Main Drive Unit for IRC5 Controllers
ABB 3HAC036260-001 DSQC431 Main Drive Unit for IRC5 Controllers
ABB 3HAC036260-001 DSQC431 Main Drive Unit for IRC5 Controllers
ABB 3HAC036260-001 DSQC431 Main Drive Unit for IRC5 Controllers
ABB 3HAC036260-001 DSQC431 Main Drive Unit for IRC5 Controllers
ABB 3HAC036260-001 DSQC431 Main Drive Unit for IRC5 Controllers
ABB 3HAC036260-001 DSQC431 Main Drive Unit for IRC5 Controllers
ABB 3HAC036260-001 DSQC431 Main Drive Unit for IRC5 Controllers
ABB 3HAC036260-001 DSQC431 Main Drive Unit for IRC5 Controllers
ABB 3HAC036260-001 DSQC431 Main Drive Unit for IRC5 Controllers
ABB 3HAC036260-001 DSQC431 Main Drive Unit for IRC5 Controllers
ABB 3HAC036260-001 DSQC431 Main Drive Unit for IRC5 Controllers
ABB 3HAC036260-001 DSQC431 Main Drive Unit for IRC5 Controllers
ABB 3HAC036260-001 DSQC431 Main Drive Unit for IRC5 Controllers

ABB 3HAC036260-001 DSQC431 Main Drive Unit for IRC5 Controllers

Product Condition New original or used original. Please confirm the condition with us before ordering.
Shipping Ships from Shanghai, China. Typical delivery lead time is 3-5 working days after order confirmation, via DHL / FedEx / UPS with secure protective packaging. Actual lead time depends on the specific condition and stock status confirmed with us.
Buyer Benefits
  • Genuine ABB 3HAC036260-001 (DSQC431 / MDU-430C) main drive unit for ABB IRC5 robot controllers.
  • Principal motor-drive power stage that converts DC bus voltage into 3-phase AC for the robot axis servo motors.
  • Compatible with IRC5 Compact and IRC5 Dual cabinets; confirm your controller type and drive revision before ordering.
  • Each unit is inspected and functionally checked before shipment where applicable.
  • Worldwide delivery from Shanghai with secure anti-static export packaging and full order tracking.
Item Location Shanghai, China
Payment We accept PayPal, T/T (bank transfer), and Alibaba Trade Assurance.
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DSQC431 Main Drive Unit for ABB IRC5 Robot Controllers

Specifications

Part Number 3HAC036260-001
DSQC Designation DSQC 431
Product Type MDU-430C Main Drive Unit (principal motor-drive power stage)
Function Converts DC bus voltage into 3-phase AC for the robot axis servo motors
Controller Compatibility ABB IRC5 (Compact and Dual Cabinet); confirm cabinet type and drive revision
Drive-system Role Main drive unit — distinct from additional-axis drives (DSQC 662 / DSQC 663)
Revision Note Multiple hardware revisions exist; copy the exact suffix from the old module label before ordering
Net Weight 5.1 kg (per distributor catalog)
Dimensions Approx. 350 x 210 x 380 mm (per distributor catalog)
Customs Tariff 85044095 (per distributor catalog)
Country of Origin Not confirmed (no ABB official direct confirmation)
Frame / Part Type Spare_Parts
Condition New original or used original. Please confirm the condition with us before ordering.

Industrial Applications

  • Automotive spot-welding cells with high-frequency axis movement and rapid current spikes.
  • Heavy-payload palletizing with IRB6640-class robots operating near thermal limits.
  • Machine-tending stations with frequent start-stop cycles and thermal cycling stress.
  • General ABB IRC5 robot cells requiring reliable main servo-drive power.

Design Purpose

The DSQC431 (3HAC036260-001, MDU-430C) is the main drive unit of an ABB IRC5 controller. It forms the principal motor-drive power stage: it takes the DC bus voltage from the rectifier / power-supply section and switches it into precise 3-phase AC for the robot axis servo motors. Integrated IGBT power stages provide overcurrent and overtemperature protection, and the module relies on forced-air cooling from the controller cabinet. As the central drive element, a correct and healthy DSQC431 is required before the robot can move.

Safety & Handling Notes
  • High-voltage DC bus: the DC bus between the rectifier and drive units carries hazardous voltage. De-energize, lock out and verify 0 V before opening the drive bay; only qualified personnel.
  • Cooling dependency: forced-air cooling is required. Verify cabinet fan RPM and clear the airflow path before blaming the drive — a blocked filter can trigger an overtemperature alarm within minutes.
  • Revision matching: multiple hardware revisions exist (e.g., /01, /04). Copy the exact suffix from the old module's label; mixing revisions can cause parameter mismatches.
  • Main vs additional drive: this is the MAIN drive unit (MDU-430C). Do not confuse it with additional-axis drives (DSQC 662 / DSQC 663); confirm by label and cabinet position.
  • Pre-replacement check: megger the motor cables and inspect the brake and encoder for shorts before swapping — a shorted motor cable can destroy a new drive.
  • Qualified personnel & test: installation, commissioning and axis self-loop test must be performed by personnel familiar with the IRC5 drive system; verify controller recognition before production.

Common Failure Modes

  • Overcurrent fault caused by a shorted motor cable, brake or encoder.
  • Overtemperature from a failed cabinet fan or blocked air filter.
  • IGBT thermal stress and degraded thermal interface material between IGBTs and heatsink.
  • Drive communication loss (handshake error with the IRC5 Axis Computer).
  • Wrong revision installed, leading to parameter mismatch.
  • Connector or contact wear and contamination in the drive bay.

Why Choose Us

  • Genuine ABB 3HAC036260-001 (DSQC431 / MDU-430C) sourced through trusted supply channels.
  • Each unit is inspected and functionally checked before shipment where applicable.
  • We help confirm cabinet type (Compact / Dual) and drive revision to avoid wrong-unit orders.
  • Secure anti-static export packaging with full order tracking from Shanghai.
  • Quote-based service — send your inquiry with controller type and drive revision for a matched offer.

Related Products

  • 3HAC026254-001 — DSQC662 Additional Axis Drive Unit (different drive role, confirm type)
  • 3HAC029818-001 — DSQC663 Drive Unit (different drive role, confirm type)
  • 3HAC025338-004 — DSQC617 main servo drive unit for IRC5 M2004 (different drive generation)
  • 3HAC025097-001 — DSQC639 main computer unit for ABB IRC5 controllers

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