3WA3340-5.B03-....Brand: SiemensMPN: 3WA3340-5.B03-....Fixed-mounted circuit breaker, UL1066/IEC60947-2, FS 3, 3-poles, In=4000A up to 635V AC 50/60Hz, breaking capacity H, 100/85kA at 508/635V AC, Trip unit ETU300 Request a quote