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This Siemens 3VA5225-5EF31-0AA0 is a 3-pole molded-case circuit breaker from the SENTRON series, designed for system protection. It features a rated operational current of 250A and a maximum rated operational voltage of 690V AC or 750V DC. The circuit breaker has a breaking capacity of 35kA at 480V according to UL 489 standards and 55kA at 415V according to IEC 60947 standards.
With a mechanical service life of 20,000 switching cycles and electrical endurance ratings of up to 8,000 cycles, this breaker is built for durability. It includes adjustable overload protection (Ir) from 200A to 250A and adjustable short-circuit protection (Ii) from 5 to 10 times the rated current. The unit is designed for DIN rail mounting and has dimensions of 7.3 inches in height, 4.1 inches in width, and 3.3 inches in depth.
Key electrical specifications include an insulation voltage of 800V and a maximum power loss of 58W. The overcurrent release is of type TM240 with LI protection function. It is also designated as a HACR Type circuit breaker, suitable for Heating, Air Conditioning, and Refrigeration applications.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The maximum rated operational voltage for this circuit breaker is 690V AC and 750V DC.
The permanent rated current (Iu) is 250A, and the operational current is also 250A at 45°C and 50°C.
According to UL 489, the breaking capacity is 35kA at 480V. According to IEC 60947, it is 55kA at 415V and 7kA at 690V.
This circuit breaker is designed for DIN rail mounting.
The dimensions are 7.3 inches (height) x 4.1 inches (width) x 3.3 inches (depth).
