3WA1240-3.C05-....Brand: SiemensMPN: 3WA1240-3.C05-....fixed-mounted circuit breaker, IEC 60947-2, size 1, 3-pole, In=4000 A up to 690 V AC 50/60 Hz, breaking capacity S Icu=66/50 kA at 500/690 V, tripping unit ETU3Request a quote