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The Siemens SENTRON 3VA5210-5EF31-0AA0 is a molded-case circuit breaker designed for system protection. This 3-pole unit features a rated operational current (Iu) of 100A, with derating at higher temperatures up to 70°C.
It supports a maximum rated operational voltage of 690V AC and 750V DC, with a rated insulation voltage (Ui) of 800V. The circuit breaker provides overload protection with an adjustable range of 80A to 100A (Ir) and short-circuit protection with an adjustable range of 5 to 10 times the nominal current (Ii).
Key electrical performance includes a breaking capacity of 35kA at 480V according to UL 489 standards and 55kA at 415V according to IEC 60947. The device has a mechanical service life of 20,000 switching cycles and electrical endurance ratings varying by voltage and load type.
Designed for DIN rail mounting, this circuit breaker has dimensions of 105mm width, 185mm height, and 83.82mm depth. It is classified as HACR Type and utilizes a TM240 overcurrent release with LI protection function.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The continuous current rating (Iu) is 100A.
The maximum rated operational voltage (Ue) with AC 50/60Hz is 690V, and with DC it is 750V.
The breaking capacity according to UL 489 at 480V is 35kA.
The overload protection (Ir) is adjustable from 80A to 100A.
This circuit breaker supports DIN Rail mounting.