Siemens 3WL9314-5AA20-0AA2 ETU45B Trip Unit Plus Metering

The Siemens 3WL9314-5AA20-0AA2 is an advanced Electronic Trip Unit (ETU) for the 3WL circuit breaker series, designated as ETU45B with 'Metering Plus' functionality. It provides comprehensive LSIN protection and extends capabilities to measure key electrical parameters including Current (I), Voltage (U), Power (P), Reactive Power (Q), Frequency (f), Power Factor (cos phi), and Harmonics. This unit facilitates detailed system monitoring and analysis without an integrated display or ground fault module, but includes a cubicle bus connection.

This sophisticated trip unit is designed for applications where detailed power quality monitoring and advanced protection are essential. Industries such as manufacturing, data centers, and large commercial facilities benefit from the ability to track energy consumption, identify power quality issues, and ensure optimal system performance, all while maintaining robust circuit protection.

Stanlo Automation, a veteran-owned surplus parts distributor, is your trusted source for specialized components like the Siemens 3WL9314-5AA20-0AA2. We are committed to providing the industrial automation market with reliable, cost-effective surplus parts, ensuring your critical systems remain protected and efficient.