3WA3212-2.B12-....Brand: SiemensMPN: 3WA3212-2.B12-....Fixed-mounted circuit breaker, UL1066/IEC60947-2, FS 2, 4-poles, N-pole left, In=1200A up to 635V AC 50/60Hz, breaking capacity N, 50/50kA at 508/635V AC, Trip Request a quote