3WL1220-4CB36-4GA4-Z R21+R30+S07+T40

The 3WL1220-4CB36-4GA4-Z R21+R30+S07+T40 Siemens is a robust and reliable 3-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, suitable for AC 50/60Hz systems. It boasts a high interrupting capacity of Icu=100kA at 500V, ensuring effective protection against overcurrents. The rear connection horizontal configuration simplifies installation and maintenance. Equipped with an ETU 25 overcurrent release, it offers adjustable LSI protection with settings ranging from 0.4 to 1 In, allowing for precise customization of protection parameters. The motorized/manual operating mechanism includes a spring charging motor compatible with AC 50/60 Hz 208-240 V or 220-250 V DC, providing versatile operation. Activation is supported via AC 50/60 Hz 230 V or 220 V DC. This model includes 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 features 4NO+4NC contacts and includes specific options such as R21 (Shutter 2-part, lockable with a padlock) and T40 (Door sealing frame).