3WL1220-2CB45-4GA2 SIEMENS

The 3WL1220-2CB45-4GA2 Siemens is a robust and reliable 4-pole withdrawable circuit breaker designed for comprehensive circuit protection and control. This size II circuit breaker adheres to IEC standards and is rated for an In=2000A up to 690V, making it suitable for demanding industrial applications. It operates at AC 50/60Hz and boasts an Icu=66kA at 500V, ensuring effective interruption of high fault currents. The rear connection is horizontal, simplifying installation and maintenance within electrical panels. Equipped with an ETU 25 overcurrent release, it offers adjustable LSI protection with settings ranging from 0.4-1 in, providing precise control over current thresholds. The motorized/manual operating mechanism includes a spring charging motor compatible with AC 50/60 Hz 208-240 V or 220-250 V DC. Activation is supported by AC 50/60 Hz 230 V and 220 V DC. It features a 1st auxiliary release with a shunt release "F", F1 rated for 50/60 Hz 230 V AC/220 V DC with a 100% on-load factor. The breaker includes 2NO+2NC auxiliary contacts for enhanced monitoring and control capabilities and does not include a 2nd auxiliary release.