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3VA9157-0HA20 Siemens
Product Details
Specifications provided for reference. Verify critical details against official manufacturer documentation before installation.
Product Overview
Siemens 3VA9157-0HA20 is a motorized operating mechanism (motor operator) accessory for the 3VA11 SENTRON molded-case circuit breaker family. It provides remote actuation of the breaker using a control voltage of 110-230 V AC or 110-250 V DC, enabling automated switching in electrical distribution systems. Typical applications include remote control of circuit breakers in switchgear cells, compact distribution panels, and load shedding systems.
Best Suited For
- Remote switching of 3VA11 circuit breakers
- Integration into motorized control panels
- Automated load management systems
- Switchgear with remote operation requirements
Technical Specifications
I/O & Electrical
Physical & Environmental
Certifications
Approvals include CE, UKCA, EAC, RCM; Type test certificates available; Environmental confirmations and Lloyd's Register maritime application noted.