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3VA9377-0NA10 Siemens
Product Details
Specifications provided for reference. Verify critical details against official manufacturer documentation before installation.
Product Overview
The Siemens 3VA9377-0NA10 is an external current transformer designed for the neutral conductor on 3-pole 3VA6 molded case circuit breakers equipped with 5-series or 8-series electronic trip units (ETU850, ETU856, ETU860). It extends current measurement capability into the neutral path for balanced/current monitoring. It is part of the 3VA9 accessory family for 3VA IEC breakers and is typically used in metering and monitoring installations in industrial switchgear systems.
Best Suited For
- Neutral current sensing on 3VA6 breakers with 5-series or 8-series ETUs
- Installation in industrial distribution panels for metering
- Retrofitting neutral monitoring capability on existing 3VA installations
- Integration with energy monitoring systems on switchboards
Technical Specifications
I/O & Electrical
Physical & Environmental
Certifications
Compliant with RoHS directive since 01/01/2016; return category B equipment (limited reuse).