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The Siemens 3VA5210-7EF31-0AA0 is a high-performance molded-case circuit breaker designed for system protection. This 3-pole unit operates with a rated current of 100A and a maximum operational voltage of 690V AC, with a DC rating of 750V.
It offers robust protection with a breaking capacity of up to 200 kA at 240V, 110 kA at 415V, and 10 kA at 690V according to IEC standards. The UL 489 breaking capacity is rated at 200 kA at 240V and 100 kA at 480V. The overcurrent release is a TM240 type with LI protection functionality, featuring adjustable overload protection from 80A to 100A and short-circuit protection from 5 to 10 times the rated current.
With a mechanical service life of typically 20,000 switching cycles and electrical endurance ratings of 8,000 cycles at 380/415V and 4,000 cycles at 690V, this circuit breaker is built for durability. Its dimensions are 185 mm in height, 105 mm in width, and 3.3 inches in depth. The mounting type is DIN rail, making installation convenient.
This circuit breaker is suitable for applications requiring reliable circuit protection, including HVAC and refrigeration systems, as indicated by its HACR Type designation according to UL 489. It is compliant with RoHS3 standards.
| 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 690 V with AC 50/60Hz and 750 V with DC.
The breaking capacity according to UL 489 at 480 V is 100 kA.
The overload protection (Ir) is adjustable from 80A to 100A, and the short-circuit protection (Ii) is adjustable from 5 to 10 times the rated current.
The typical mechanical service life is 20,000 switching cycles.
This circuit breaker is designed for DIN rail mounting.