ABB INSUM MCU2 MCU2A02V2‑4 1SCA022657R9090 Motor Control Unit
The ABB MCU2A02V2‑4 (1SCA022657R9090) is a high‑end intelligent motor control unit for ABB INSUM 2 motor control center system. This microprocessor‑based module realizes three‑phase AC motor control, multi‑dimension motor protection and real‑time operating data monitoring. Adopt LONWORKS fieldbus to connect with distributed automation system, support event and alarm timestamp logging, widely used for industrial MCC cabinet motor management. Original factory phase‑out, only stock spare‑part supply for system maintenance。
Technical Parameters
- Model:MCU2A02V2‑4
- Order code:1SCA022657R9090
- Brand:ABB
- Current measuring range:2A‑63A
- Voltage monitoring:380‑690V AC
- Auxiliary power:24VDC
- Communication:LONWORKS fieldbus
- Protection function:overload, short‑circuit, phase failure, unbalance protection
- Data log:max 20 events + 20 timestamped alarms
- Mounting:DIN rail mounting
- Operating temperature:‑25℃ ~ +70℃
- Weight:0.68kg
- Status:Original factory phased‑out, stock spare parts only

Application Scenarios
Industrial motor control center MCC cabinets, factory automation, water treatment, chemical plant, power plant auxiliary motor control, INSUM2 system retrofit & maintenance spare parts.
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