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This Siemens 3VA5150-5EC31-1AA0 is a 3-pole molded-case circuit breaker designed for system protection. It has a rated operational current of 50A and a maximum frame size current of 125A. The circuit breaker offers a breaking capacity of 35kA at 480V and 18kA at 600Y/347V.
Key electrical specifications include a maximum power loss of 11.1W and an active power loss of 3.7W per pole. It boasts a typical mechanical service life of 15,000 switching cycles and electrical endurance ratings of 8,000 cycles at 380/415V and 480V, and 4,000 cycles at 690V and 600V.
The device features an LI overcurrent release type and is designed for HACR type applications. It has a width of 3 inches (76.2 mm), depth of 3 inches (76.5 mm), and height of 5.5 inches (140 mm). The mounting type is DIN rail, and it has an IP40 protection rating on the front.
This circuit breaker is suitable for various applications requiring reliable overcurrent and short-circuit protection. It is compliant with UL 489 standards and carries approvals from CCC, CE, CSA, EAC, and VDE.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The rated operational current is 50A.
The voltage rating is 690V.
It has 3 poles.
The breaking capacity current at 480V is 35kA.
It uses DIN rail mounting.
The minimum operating ambient temperature is -25°C.