ABB IRB 4600 Wrist Assembly Modules 3HAC034647-003 / 3HAC059445-002 / IRB4600-3HAC034647-003

Technical Dossier

Product Details And Specifications

ABB IRB 4600 Series Technical Notes

The Evolution of IRB 4600 Architecture

The IRB 4600 was introduced as a successor to the IRB 4400 platform, incorporating the IRC5 controller architecture and the S4C+ legacy migration path. Early production units (pre-2010) used wrist assemblies with the 3HAC026253-001 and 3HAC028357-001 part numbers, which are now fully obsolete and require cross-reference to current equivalents. The mid-generation revision introduced the 3HAC034647-003 wrist housing as the primary structural component for axis-5 and axis-6 integration, paired with the 3HAC059445-002 wrist unit covering the Foundry Plus IP67 environmental specification. The Foundry Plus variant adds stainless steel covers, sealed cable entries, and corrosion-resistant surface treatment to withstand wash-down cycles and metal splash environments. Compatibility between wrist generations requires verification of the robot's mechanical serial number prefix (IRB4600-XX) and the corresponding axis-6 gear unit part number before substitution.

IRB 4600 Full Catalog & Functionalities (SKU List)

The following SKUs represent the verified spare parts catalog for the ABB IRB 4600 series, classified by functional subsystem:

Wrist & Axis-6 Assemblies

• 3HAC034647-003: Axis-5/6 wrist housing assembly, standard IP54 rating, IRB 4600 all variants
• 3HAC059445-002: Complete wrist unit, Foundry Plus IP67, corrosion-resistant, IRB 4600-20/2.50 & 45/2.05
• 3HAC026253-001: Legacy wrist housing, pre-2010 production, obsolete — cross to 3HAC034647-003
• 3HAC028357-001: Axis-6 wrist flange sub-assembly, early IRB 4600 build series
• 3HAC057546-001: Wrist seal kit, axis-5 and axis-6, Foundry Plus variant

Gear Units

• 3HAC025562-001: Axis-5 gear unit, IRB 4600 standard, ratio 1:160
• 3HAC025563-001: Axis-6 gear unit, IRB 4600 standard, ratio 1:101
• 3HAC057547-001: Axis-4 gear unit, IRB 4600-45/2.05 and 60/2.05 variants
• 3HAC025564-001: Axis-3 gear unit, IRB 4600 all payload variants

Motors & Drives

• 3HAC031683-001: Axis-1 AC servo motor, 2.2 kW, IRB 4600 base rotation
• 3HAC031684-001: Axis-2 AC servo motor, 2.2 kW, lower arm drive
• 3HAC031685-001: Axis-3 AC servo motor, 1.5 kW, upper arm drive
• 3HAC031686-001: Axis-4/5/6 servo motor set, wrist axes, 0.55 kW each

Controller & Communication (IRC5 Compatible)

• 3HAC026254-001: DSQC 679 teach pendant, IRC5 controller, IRB 4600 standard interface
• 3HAC036060-001: DSQC 1000 main computer unit, IRC5 single-cabinet controller
• 3HAC043876-001: DSQC 609 power supply unit, IRC5 controller, 24 VDC output
• 3HAC025338-001: DSQC 662 fieldbus adapter, DeviceNet, IRC5 I/O expansion
• 3HAC025339-001: DSQC 663 fieldbus adapter, PROFIBUS-DP, IRC5 I/O expansion

Cables & Harnesses

• 3HAC031670-001: Axis-1 to axis-6 internal cable harness, IRB 4600 standard dress pack
• 3HAC057548-001: Foundry Plus external cable conduit kit, IRB 4600 wash-down configuration