3WL1220-4CB64-1AJ2-Z C22+K07+M06+M21

The 3WL1220-4CB64-1AJ2-Z C22+K07+M06+M21 from Siemens is a robust, fixed-mounted circuit breaker designed for reliable protection in demanding electrical systems. This 3-pole breaker, Size 2, adheres to IEC standards and is rated for In=2000 A up to 690 V at 50/60 Hz AC. It boasts a high ultimate short-circuit breaking capacity of Icu=100 kA at 500 V, ensuring effective fault interruption. Featuring front connection with a double-hole design at the top and bottom, it simplifies installation. The overcurrent release ETU 25 provides adjustable LSI (Long-time, Short-time, Instantaneous) protection with settings ranging from 0.4 to 1 in. Equipped with a manual operating mechanism that includes storage capability and mechanical request functionality, it offers enhanced control. It incorporates a 2nd auxiliary release "R", F3 undervoltage release with instantaneous tripping at 24 V DC, along with 2NO+2NC contacts. Additional features include C22= Ready indicator, K07= Tripped signaling contact (1 CO, not compatible with option F02), M06= Motor drive with a drive motor for AC 50/60 Hz 208-240 V or 220-250 V DC, and M21= Switch-on solenoid operating at 24 V DC with a 100% on-load factor.