3WL1116-3CB45-4GA2 SIEMENS

The 3WL1116-3CB45-4GA2 is a Siemens withdrawable circuit breaker designed for robust protection and control in electrical systems. This 4-pole circuit breaker, conforming to IEC standards, has a rated current (In) of 1600A and is suitable for applications up to 690V AC at 50/60Hz. It boasts a high ultimate short-circuit breaking capacity (Icu) of 66kA at 500V, ensuring reliable performance under fault conditions. Featuring a rear horizontal connection, it simplifies installation and maintenance within compatible switchgear assemblies. The integrated ETU 25 overcurrent release provides comprehensive LSI (Long-Short-Instantaneous) protection, adjustable from 0.4 to 1 times the rated current, allowing for precise customization of protection settings. Equipped with a motorized/manual operating mechanism, it includes a spring charging motor compatible with AC 50/60 Hz 208-240 V or 220-250 V DC power supplies. Activation is supported by AC 50/60 Hz 230 V and 220 V DC. The circuit breaker incorporates 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. It is configured with 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts for enhanced monitoring and control capabilities. Note that this model does not include a 2nd auxiliary release.