Siemens 3WL1225-2EB32-1GA4-Z Air Circuit Breaker

Feature & Principle

It belongs to Siemens SENTRON 3WL series intelligent air circuit breaker, withdrawable structure with guide frame. Equipped with ETU electronic trip unit, supports LSIG multi-stage protection, power metering and fault recording. It can be fitted with communication module for CubicleBUS or Profibus networking. With mechanical and electrical interlock, safe isolation and maintenance can be realized in withdrawable position, widely used for main incoming, bus coupler and heavy feeder circuits.

Specifications

Model: 3WL1225-2EB32-1GA4-Z Brand: Siemens Series: SENTRON 3WL Frame size: Size II Pole: 3P Rated current In: 2500 A Rated operational voltage: 690 V AC Trip unit: ETU electronic trip unit Protection: LSIG Structure: Withdrawable Standard: IEC 60947-2 Application: Industrial main switchboard, data center, power plant Certification: CE

Components & Diagnostics

Main contact assembly, arc extinguishing chamber, ETU trip unit, spring charging mechanism, operating motor, auxiliary switch, communication module. Common faults: spring charging failure, contact overheating, abnormal tripping, communication offline, trip unit alarm.

Product Brief

3WL1225-2EB32-1GA4-Z air circuit breaker, Siemens low voltage power distribution spare widely used for factory incoming cabinet and data center power distribution system overhaul and replacement.