ABB OT2000E12C 1SCA103914R1001

The OT2000E12C is a 3-pole manual change-over switch from ABB OT series, order code 1SCA103914R1001, rated thermal current 2000A, base-mounted, front operation design. This OT2000E12C is a dual-power manual transfer switch without built-in overcurrent trip protection, used for switching between two independent incoming power sources. The suffix C indicates change-over type, it requires separate purchase of operating handle and shaft assembly.

This OT2000E12C complies with IEC 60947-3 standard, AC-23A utilization category, rated operational voltage up to 690V AC. It provides visible isolation gap, supports heavy load making and breaking. It can be fitted with auxiliary contacts and alarm switches for status feedback to PLC and SCADA systems. Phase arrangement supports top-in bottom-out or bottom-in top-out wiring. It is optimized for low-voltage main cabinet dual power switching scenarios.

The OT2000E12C is widely used in industrial substations, data centers, energy storage and power plant low voltage distribution panels for manual source transfer. The OT series is ABB’s mature heavy-duty switch-disconnector and change-over platform. Many electrical contractors and maintenance teams stock the OT2000E12C as spare switch for cabinet upgrade and emergency replacement.