3WA3340-5.K11-....Brand: SiemensMPN: 3WA3340-5.K11-....fixed-mounted circuit breaker, UL1066/IEC60947-2, FS 3, 4-pole, N pole on left, In=4000 A up to 635 V AC 50/60 Hz, breaking capacity H, 100/85kA at 508/635V AC,Request a quote