ABB IRB 4600 Cable Harness Modules: 3HAC043134-004 / 3HAC044361-003 / 3HAC044361-002

Technical Dossier

Product Details And Specifications

ABB IRB 4600 Series: Comprehensive Module Range and Technical Overview

The ABB IRB 4600 is a 6-axis industrial robot platform engineered for high-throughput applications in arc welding, machine tending, material handling, and assembly. With a payload range of 20–60 kg and a reach envelope of 2.05–2.55 m, the IRB 4600 is deployed across heavy-industry sectors including automotive body shops, chemical processing plants, oil refineries, and nuclear fuel fabrication facilities. Its compact footprint and high axis speed make it one of the most widely installed mid-payload robots in ABB's portfolio, with active installations spanning more than 50 countries. The cable harness sub-assemblies covered on this page — 3HAC043134-004, 3HAC044361-003, and 3HAC044361-002 — are internal wiring looms that route power, signal, and encoder data between the robot's axes and the IRC5 controller. These harnesses are safety-critical components; degraded insulation or connector failure directly causes axis faults, E-stop triggers, and unplanned downtime.

The Evolution of IRB 4600 Architecture

The IRB 4600 was introduced in 2009 as a successor to the IRB 4400 platform, incorporating the IRC5 single-cabinet controller and the ABB FlexPendant (DSQC 679). Early production units (2009–2013) used a first-generation internal cable routing scheme with harness assemblies identified by the 3HAC03xxxx prefix range. A mid-cycle revision (2013–2017) introduced revised axis-2 and axis-3 cable clamp geometry, reflected in the 3HAC043xxx and 3HAC044xxx part number series — the exact range covered by this page. A further revision post-2017 updated the dress pack interface for collaborative-cell integration, introducing 3HAC050xxx and 3HAC058xxx harness variants compatible with the OmniCore controller ecosystem.

Compatibility note: 3HAC043134-004 and 3HAC044361-003/002 are mechanically and electrically interchangeable only within the mid-cycle IRB 4600 build range. Cross-fitting with early or late-generation harnesses requires verification of connector pinout revision and cable gauge specification against the robot's serial number plate.

IRB 4600 Full Catalog & Functionalities (SKU List)

Cable Harnesses & Internal Wiring

• 3HAC043134-004: Axis 1–3 internal cable harness, mid-generation IRB 4600, power + signal routing
• 3HAC044361-003: Axis 4–6 upper arm cable harness, encoder and brake signal loom
• 3HAC044361-002: Axis 4–6 upper arm cable harness, prior revision, signal loom only
• 3HAC026253-001: Lower arm cable harness, axis 2–3 power routing, early IRB 4600
• 3HAC028357-006: Dress pack cable assembly, external tool interface, 7-m standard length
• 3HAC028357-007: Dress pack cable assembly, external tool interface, 10-m extended length
• 3HAC050454-001: Upper arm harness, OmniCore-compatible revision, post-2017 build

Motors & Servo Drives

• 3HAC17484-1: Axis 1 drive motor, 2.2 kW, flange-mount, resolver feedback
• 3HAC17484-3: Axis 2 drive motor, 4.5 kW, high-torque variant
• 3HAC17484-5: Axis 3 drive motor, 2.2 kW, standard payload configuration
• 3HAC025338-001: Axis 4 motor, wrist pitch, 0.75 kW
• 3HAC025338-003: Axis 5 motor, wrist roll, 0.75 kW
• 3HAC025338-005: Axis 6 motor, tool flange rotation, 0.55 kW

Controller & I/O Modules (IRC5)

• DSQC 652: 24 DI / 16 DO digital I/O board, IRC5 cabinet, 24 VDC
• DSQC 661: Axis computer board, IRC5 M2004, motion control processor
• DSQC 679: FlexPendant teach pendant, IRC5, color touchscreen
• DSQC 1000: Main computer unit, IRC5 single cabinet, dual-core

Gearboxes & Mechanical

• 3HAC029157-001: Axis 1 gearbox assembly, IRB 4600-20/2.50
• 3HAC029157-003: Axis 2 gearbox assembly, IRB 4600-45/2.05

Sourcing Hard-to-Find & Obsolete IRB 4600 Parts

The mid-generation IRB 4600 cable harness series (3HAC043xxx / 3HAC044xxx) is no longer in active ABB production. OEM lead times for new-old-stock equivalents through authorized distributors typically exceed 16–24 weeks. DriveKNMS maintains a dedicated inventory of tested, pull-from-service IRB 4600 harness assemblies sourced from decommissioned robot cells in automotive and general manufacturing facilities. All units are catalogued by part number, revision suffix, and robot serial number range to ensure fitment accuracy. For end-users operating IRB 4600 fleets beyond the standard 15-year service window, DriveKNMS provides lifecycle extension support including cross-reference mapping to available substitute harness assemblies and connector-level repair services for looms with localized insulation damage.

Quality Control for the IRB 4600 Range

Cable harness assemblies for the IRB 4600 undergo a structured inspection protocol prior to dispatch. Each unit is visually inspected for jacket abrasion, connector pin corrosion, and strain relief integrity at all clamp points. Continuity testing is performed on every conductor using a calibrated low-resistance ohmmeter (target: <0.5 Ω per conductor). Insulation resistance is verified at 500 VDC megohm test (minimum 100 MΩ). Connector housings are mated and de-mated five cycles to confirm latch retention force. For encoder signal looms (3HAC044361-003 / -002), differential pair impedance is verified against ABB specification to prevent resolver signal degradation at axis speeds above 200°/s. Units that fail any parameter are quarantined and not returned to stock.