Fixed-mounted circuit breaker, UL1066/IEC60947-2, FS 1, 3-poles, In=2000A up to 635V AC 50/60Hz, breaking capacity S, 65/65kA at 508/635V AC, Trip unit ETU300 LSI optimized for standard applica- tions, without display Protection LT, ST, INST, N-protection requires an external N-sensor, incl. trip/bell alarm (1xCO), rear horizontal connection, without Com & metering function Manual operating mechanism with mechanical closing, without Spring charging motor, Ready-to-close signal. switch, Auxiliary switches 4NO+4NC, without Closing coil (CC), manual operating mechanism with mechanical closing, without Remote trip alarm reset coil (RR), Undervoltage release (UVR) instantaneous (0,08 s) and short-delay (0,2 s), 110-127 V AC / 110-125 V DC, without 1st Shunt trip