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This Siemens 3VA5225-6EF31-0AA0 is a 3-pole molded-case circuit breaker from the SENTRON series, designed for system protection applications. It features a rated operational current of 250A and a maximum operational voltage of 690V AC or 750V DC. The circuit breaker has a breaking capacity of 65kA at 480V according to UL 489 standards and 100kA at 240V according to IEC 60947 standards.
With a mechanical service life of 20,000 cycles and electrical endurance ratings of up to 8,000 cycles, this breaker is built for durability. It is suitable for HACR type applications and features an adjustable overload and short-circuit protection system (TM240, LI).
The unit is designed for DIN rail mounting and has dimensions of 7.3 inches in height and 4.1 inches in width. It operates within a temperature range that affects its current carrying capacity, down to 220A at 70°C.
| 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 with AC 50/60Hz is 690 V, and with DC it is 750 V.
The permanent rated current (Iu) is 250 A, and the operational current is 250 A at temperatures up to 50°C.
According to IEC 60947, the breaking capacity (Icu) is 100 kA at 240V, 70 kA at 415V, and 10 kA at 690V. According to UL 489, the breaking capacity is 100 kA at 240V, 65 kA at 480V, and 25 kA at 600Y/347V.
This circuit breaker is designed for DIN rail mounting.
It features TM240 overcurrent release with LI protection function, offering adjustable overload and short-circuit protection.