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The Siemens 3VA5150-4EF32-0AA0 is a 3-pole molded-case circuit breaker from the 3VA5 series, designed for system protection applications. This breaker operates with a rated insulation voltage of 800V and a maximum operational voltage of 690V AC.
Key electrical specifications include a 50A operational current at 40°C, with a maximum power loss of 12W. The breaking capacity according to IEC 60947 is 36kA at 415V, and according to UL 489, it is 25kA at 480V. The overcurrent release is designed with TM240 and features LI protection function.
Mechanically, the circuit breaker has a typical service life of 20,000 switching cycles. It is designed for DIN rail mounting and has dimensions of 140mm height, 76.2mm width, and 76.5mm depth. The breaker is suitable for HACR and HID type applications as per UL 489.
This model is marked with UL file SEAS and carries CCC and UL489 approvals. It is designed for line protection with an adjustable overload protection range (Ir) from 40A to 50A and short-circuit protection (Ii) from 5 to 10 times the rated current.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The operational current is 50A at 40°C, decreasing to 44A at 70°C.
The breaking capacity is 25kA at 480V according to UL 489, and 36kA at 415V according to IEC 60947.
The operating voltage is rated at 690V AC, with a maximum DC operational voltage of 500V.
This circuit breaker has 3 poles.
It supports DIN Rail mounting.