The Siemens 3VA2563-5MN32-0BC0 is a 3VA2 IEC frame 1000 circuit breaker in breaking capacity class M, rated Icu=55kA at 415 VAC. It is a 3-pole unit with motor protection trip unit ETU350M (LSI), set for In=630A, with overload protection adjustable Ir=250A...630A, short-circuit protection Isd=3...15 x Ir, and instantaneous Ii=15 x In.
The ETU350M electronic trip unit provides LSI protection: long-time (overload), short-time (selective short-circuit with adjustable delay), and instantaneous. The adjustable Ir from 250 A to 630 A lets you match the breaker to the motor FLA without changing the frame. The UVR at 24V DC drops the breaker on loss of control voltage — common in safety circuits or emergency-stop chains where a downstream contactor also needs to de-energize.
Integration Notes
The nut keeper kit (included) secures the breaker to the mounting plate without loose hardware. The UVR coil draws continuous power when the breaker is closed — verify the 24V DC supply can hold the coil without overheating in a sealed enclosure.