Circuit breaker 3VM1 IEC frame 100, 50A, 25kA @ 415V
The Siemens 3VM1050-3ED46-0AA2 is a 4-pole circuit breaker in the 3VM1 IEC frame 100 series, rated at In=50A with a breaking capacity Icu=25kA at 415V AC (class N). Overload protection is fixed at Ir=50A (not adjustable), and short-circuit protection is set at Ii=10 x In (500A). The TM210 thermal-magnetic release provides line protection; the FTFM designation indicates the N conductor is unprotected and terminates via a standard connection.