ABB MU200 Modules: 3HAC040656-002 IRB2600 / IRB4600 / IRB6700 Power Supply

Technical Dossier

Product Details And Specifications

ABB MU200 Series Technical Notes

The Evolution of MU200 Architecture

The MU200 unit was introduced as part of ABB's IRC5 controller generation, which succeeded the S4C+ platform in the mid-2000s. The IRC5 architecture consolidated power management into dedicated measurement and power units (MPU/MU), separating drive power from logic power in a modular backplane design. Early IRC5 cabinets used predecessor measurement units with discrete wiring harnesses; the MU200 standardized this interface across single-cabinet and multi-cabinet (M2004) configurations.

MU200 Full Catalog & Functionalities (SKU List)

The following SKUs represent the MU200 and directly associated IRC5 power and measurement modules. Each entry reflects a verified ABB part number used in IRB 2600, IRB 4600, IRB 6700, and related IRC5 cabinet configurations.

3HAC040656-002: MU200 power supply unit for IRB2600/IRB4600/IRB6700 IRC5 cabinet, primary DC regulation module.
3HAC028837-009: MU200 variant for IRB4600 series, revised connector layout for M2004 single-cabinet IRC5.
3HAC028837-004: MU200 sub-revision for IRB4600, compatible with specific RobotWare 5.x firmware builds.
3HAC059655-002: MU200 power supply for IRB6700 series, rated for higher continuous current draw in heavy-payload applications.
3HAC026253-001: Drive unit power supply (DSQC 374) associated with IRC5 MU200 power chain, single-cabinet configuration.
3HAC025338-001: Rectifier unit for IRC5 cabinet, upstream power conditioning for MU200 input rail.
3HAC024488-001: Capacitor bank module, IRC5 drive section, works in conjunction with MU200 DC bus.
3HAC031670-001: IRC5 panel board power supply, interfaces with MU200 logic power output.
3HAC044075-001: MU200 replacement kit including mounting hardware and connector set for field swap.
3HAC050363-001: Updated MU200 firmware carrier board for IRC5 cabinets with RobotWare 6.x.
3HAC036447-001: IRC5 power distribution board, downstream of MU200, routes regulated DC to axis computers.
3HAC029157-001: Axis computer (DSQC 668) powered via MU200 logic rail, IRB 2600/4600 standard fit.
3HAC026254-001: Drive module (DSQC 373) for IRC5, receives DC bus from MU200 power section.
3HAC025562-001: IRC5 I/O power supply board, 24 VDC output derived from MU200 secondary rail.
3HAC043964-001: Brake resistor unit for IRC5, thermal load management component in MU200 power circuit.
3HAC058669-001: MU200 compatible fuse kit, field-replaceable protection components for IRC5 power section.

Sourcing Hard-to-Find & Obsolete MU200 Parts

For end-users operating IRC5 lines beyond their original design life — common in automotive stamping, foundry automation, and nuclear material handling — DriveKNMS provides lifecycle extension support: cross-referencing obsolete part numbers to current equivalents, identifying compatible revision substitutions, and supplying matched pairs or full cabinet spare kits on request. Emergency urgent RFQ handling is available for critical production-down situations.

Quality Control for the MU200 Range

Each MU200 unit processed by DriveKNMS undergoes a structured verification protocol before dispatch. Input voltage tolerance is tested across the full IRC5 cabinet supply range (380–480 VAC, 3-phase). DC output rails are measured under load to confirm regulation within ABB specification bands. Backplane connector integrity is inspected for pin deformation, corrosion, and contact resistance. Firmware revision is read and logged against the unit's hardware revision to confirm compatibility with the target RobotWare version.