3WL1210-4BB34-4AN2 SIEMENS

The 3WL1210-4BB34-4AN2 is a fixed-mounted circuit breaker from Siemens, designed for reliable circuit protection. This 3-pole breaker, size II, adheres to IEC standards and is rated for an In=1000A up to 690V AC at 50/60Hz. It boasts a high interrupting capacity of Icu=100kA at 500V, ensuring effective protection against short circuits. The breaker features front connections with a dual-hole design for secure and efficient wiring. Equipped with an ETU 15 LI overcurrent release, it offers adjustable protection settings from 0.5 to 1 times the rated current. 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 comes without a 1st auxiliary release but includes a 2nd auxiliary release "R", F3 undervoltage release with instantaneous tripping characteristics, rated for 208-240 V AC and 220-250 V DC. The breaker also features 2NO+2NC auxiliary contacts for signaling and control purposes.