Siemens 3WA1240-3AB01-0AA0 Fixed-mounted circuit breaker IEC 60947-2, frame size 2, 3-poles, In=4000A up to 690V AC 50/60Hz, breaking capacity S Icu=66/50kA at 500/690V, Trip unit ETU300 LSI optimized for standard applica- tions, without display Protectio