3WA3216-2.K12-....Brand: SiemensMPN: 3WA3216-2.K12-....fixed-mounted circuit breaker, UL1066/IEC60947-2, FS 2, 4-pole, N pole on left, In=1600 A up to 635 V AC 50/60 Hz, breaking capacity N, 50/50kA at 508/635V AC, Request a quote