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3VA9277-0HA20 Siemens
Product Details
Specifications provided for reference. Verify critical details against official manufacturer documentation before installation.
Product Overview
The Siemens 3VA9277-0HA20 is a motor operator (MO) accessory of the 3VA UL Molded Case Circuit Breaker family. It provides motorized remote ON/OFF actuation for 3VA circuit breakers in the 250 A frame, with control voltage of 110-230 V AC or 110-250 V DC. It mounts on the front of the breaker and enables control via PLC or pushbutton, typically used in industrial power distribution and panel automation. The 3VA9277-0HA20 supports equipment safety by indicating breaker status and enabling remote resetting.
Best Suited For
- Remote control of 3VA UL breakers up to 250 A
- Integration with PLC control systems
- Panel-mounted breaker actuation in industrial applications
- Applications requiring status indication (ON/OFF/TRIP)
- Environments needing motorized reset functionality