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The Siemens 3VA5210-1BB31-0AA0 is a molded-case circuit breaker from the SENTRON 3VA5 series, designed for UL frame 250 applications. It features a 3-pole configuration and a rated operational current of 100A, maintaining this rating up to 70°C.
This circuit breaker offers a significant short-circuit breaking capacity of 100kA at 480V and a maximum rated operational voltage of 690V AC or 750V DC. The overcurrent release is of type MCS110, providing protection function I with a self-protection setting of Ii=16 x In. It has a mechanical service life of typically 20,000 switching cycles and electrical endurance ratings of 8,000 cycles at 380/415V and 480V, and 4,000 cycles at 600V.
Designed for DIN rail mounting, the unit has dimensions of 185mm height, 105mm width, and 83mm depth. It operates within an ambient temperature range of -25°C to 70°C and has a front protection class of IP40. The breaker is suitable for HACR Type applications according to UL 489.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The maximum operational voltage is 690 V AC and 750 V DC.
The rated current is 100 A.
The short-circuit breaking capacity is 100 kA at 480V.
It mounts on a DIN rail.
It has a typical mechanical service life of 20,000 switching cycles.