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The Siemens 3VA5250-7ED31-1AA0 is a robust molded-case circuit breaker from the SENTRON series, designed for reliable system protection. This 3-pole breaker features a permanent rated current of 50A and a maximum operational current of 250A at the frame size level. It provides a significant breaking capacity of 100 kA at 480V and 35 kA at 600Y/347V, ensuring safety in demanding applications.
The breaker is equipped with a TM210 overcurrent release and offers LI protection functions. It supports a voltage rating of up to 690V and is suitable for HACR type applications according to UL 489. The mechanical service life is rated for a typical 20,000 switching cycles, with electrical endurance varying based on voltage and load conditions.
Designed for DIN rail mounting, this circuit breaker has a compact form factor with dimensions of 185 mm in height, 105 mm in width, and 83 mm in depth. It features an IP40 protection class on the front, suitable for operation in ambient temperatures ranging from -25°C to 70°C. Optional accessories like a motor drive can be added for enhanced functionality.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The permanent rated current is 50A, and the frame size supports up to 250A.
The voltage rating is 690V.
It is a 3-pole circuit breaker.
The breaking capacity at 480V is 100 kA.
It supports DIN rail mounting.
The operating temperature range is -25°C to 70°C.