3WL1110-2AA76-5FA4-Z C22+R16+R21

The 3WL1110-2AA76-5FA4-Z C22+R16+R21 is a Siemens withdrawable non-automatic air circuit breaker designed for robust performance and safety. This 4-pole circuit breaker, Size 1, adheres to IEC standards and is suitable for applications up to 690 V at 50/60 Hz AC. It features a rated current (In) of 1000 A and an ultimate short-circuit breaking capacity (Icu) of 55 kA at 500 V. The breaker is equipped with a rear horizontal connection for efficient installation. The operating mechanism is motorized/manual, incorporating a spring charging motor compatible with AC 50/60 Hz 110-127 V AC or 110-125 V DC. Activation is supported at 50/60 Hz 110 V AC and 110 V DC. It includes a 1st auxiliary release with a shunt release "F", F1 rated for 50/60 Hz 110 V AC/110 V DC with a 100% on-load factor. This model does not include a 2nd auxiliary release but features 4 normally open (NO) and 4 normally closed (NC) contacts. Additional features include C22= Ready-to-close signaling, R16= Position signaling switch with withdrawable part and 6 changeover contacts and R21= Shutter 2-part can be locked with bracket lock.