3WA1110-5.B21-....Brand: SiemensMPN: 3WA1110-5.B21-....fixed-mounted circuit breaker, IEC 60947-2, size 1, 4-pole, N pole on right, In=1000 A up to 690 V AC 50/60 Hz, breaking capacity H Icu=100/66 kA at 500/690 V, Request a quote