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The Siemens 3VA5150-5EF32-0AA0 is a high-performance molded-case circuit breaker designed for system protection. It features a 3-pole configuration and a rated operational current of 50A at 40°C, with derating at higher temperatures.
This circuit breaker operates at a rated voltage of 690V AC and has a maximum breaking capacity of 35kA at 480V according to UL 489 standards. It also meets IEC 60947 standards with a breaking capacity of 55kA at 415V.
Designed for reliability, it includes overload protection with an adjustable response value current (Ir) and short-circuit protection (Ii). The breaker is suitable for HACR and HID type applications. It is mounted on a DIN rail and features a lever actuator.
Key electrical specifications include a rated insulation voltage of 800V and a maximum power loss of 12W. The mechanical service life is rated for a typical 20,000 switching cycles.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The operational current rating is 50A at 40°C, with derating to 44A at 70°C.
The rated operating voltage at AC is 690V.
The breaking capacity according to UL 489 is 35kA at 480V.
This circuit breaker is designed for DIN rail mounting.
It offers overload protection (Ir) and short-circuit protection (Ii).
Yes, it is designed as a Heating, Air Conditioning, and Refrigeration (HACR) circuit breaker.
The typical mechanical service life is 20,000 switching cycles.