ABB IRB6700 & IRB460 Rotational AC Motor Modules: 3HAC055449-001, 3HAC17484-6, 3HAC037192-003

Technical Dossier

Product Details And Specifications

ABB IRB6700 & IRB460 Series: Comprehensive Rotational AC Motor Module Range and Technical Overview

The ABB IRB6700 and IRB460 series represent two of ABB's highest-volume industrial robot platforms deployed across global heavy industry. The IRB6700 — ABB's flagship large-payload articulated robot — is rated for payloads from 150 kg to 300 kg and is a standard installation in automotive body-in-white lines, chemical plant material handling, nuclear facility maintenance cells, and refinery equipment servicing. The IRB460 is a high-speed palletizing robot optimized for end-of-line logistics in food, beverage, and petrochemical packaging. Both platforms share a common drive architecture based on ABB's M6 motor generation, using rotational AC servo motors across all six axes. The rotational AC motor modules covered by this page — 3HAC055449-001, 3HAC17484-6, and 3HAC037192-003 — are axis-drive components that interface directly with the robot's IRC5 or OmniCore controller via the drive unit backplane. These parts are classified as long-lead, safety-critical spare parts in most plant maintenance programs.

The Evolution of IRB6700 & IRB460 Motor Architecture

ABB's large-robot motor architecture has progressed through three distinct generations. The M2000 generation (IRB6400, IRB6600) used resolver-based feedback with separate encoder cables and was prone to connector wear in high-cycle environments. The M2004 generation introduced the IRB6650S and early IRB6700 variants with integrated multi-turn absolute encoders, reducing wiring complexity and improving axis repeatability to ±0.05 mm. The current M6 generation — covering the full IRB6700 range (150/3.2, 200/2.6, 235/2.65, 245/3.0, 300/2.7, 155/2.85 Lean ID) and the IRB460/110/2.4 — uses a sealed, grease-lubricated motor cartridge design with IP67 ingress protection. The 3HAC-prefix part numbering system was standardized across this generation, enabling cross-referencing between robot variants. Compatibility between IRB6700 sub-variants is axis-position dependent: axis 1–3 motors are generally not interchangeable with axis 4–6 motors due to torque and frame-size differences. The IRB460 shares axis 4–6 motor families with the IRB6700 in certain configurations, which is why 3HAC17484-6 and 3HAC037192-003 appear across both platforms.

IRB6700 & IRB460 Full Catalog & Functionalities (SKU List)

Rotational AC Motor Modules — Axis Drive Components

3HAC055449-001: IRB6700/235 axis motor unit, M6 frame, integrated absolute encoder, IP67
3HAC17484-6: IRB460 & IRB6700 axis 4–6 rotational motor, compact frame, high-cycle rated
3HAC037192-003: IRB6700 axis motor assembly, M6 generation, grease-sealed cartridge design
3HAC026253-001: IRB6700 axis 1 motor unit, high-torque, 300 kg payload variant
3HAC026254-001: IRB6700 axis 2 motor unit, standard frame, 235/200 kg variants
3HAC026255-001: IRB6700 axis 3 motor unit, mid-frame, compatible with 150–245 kg range
3HAC026256-001: IRB6700 axis 4 motor, wrist assembly drive, M6 series
3HAC026257-001: IRB6700 axis 5 motor, wrist pitch drive, sealed encoder
3HAC026258-001: IRB6700 axis 6 motor, wrist roll drive, compact M6 frame
3HAC17484-1: IRB460 axis 1 motor, palletizing base rotation, high-inertia rated
3HAC17484-3: IRB460 axis 2 motor, lower arm drive, high-speed cycle variant
3HAC17484-5: IRB460 axis 3 motor, upper arm drive, IP67 sealed
3HAC037192-001: IRB6700 Lean ID axis motor, internal dressing compatible
3HAC037192-002: IRB6700 axis motor, 155/2.85 Lean ID variant, reduced-footprint frame
3HAC055449-002: IRB6700/235 axis motor, alternate encoder revision, M6 generation
3HAC026260-001: IRB6700 axis motor, 300/2.7 payload variant, reinforced bearing housing
3HAC026261-001: IRB6700 axis motor, 245/3.0 variant, extended reach configuration

Quality Control for the IRB6700 & IRB460 Motor Range

Rotational AC motor modules for the IRB6700 and IRB460 require axis-specific validation before installation. DriveKNMS applies the following test protocol to all 3HAC-series motor units: (1) Encoder integrity check — multi-turn absolute encoder is read via ABB's SMB (Serial Measurement Board) interface to verify revolution counter data and battery backup status. (2) Winding resistance measurement — all three motor phases are measured for resistance balance; deviation exceeding 2% flags the unit for rejection. (3) Insulation resistance test — 500 V DC megohm test applied between windings and motor frame; minimum acceptance threshold is 100 MΩ. (4) Bearing inspection — rotational drag and axial play are measured against ABB's published tolerance tables for each axis position. (5) Connector and seal inspection — M12 and Harting connector pins are inspected for corrosion and the IP67 seal integrity is verified by visual and pressure test. Units passing all five stages are tagged with a DriveKNMS QC certificate referencing the 3HAC part number, revision suffix, and test date.