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This Siemens 3VA5210-5EC31-0AA0 is a molded-case circuit breaker from the 3VA5 series, designed for system protection applications. It features a 3-pole configuration and a rated operational current of 100A at 40°C, with derating at higher temperatures.
The circuit breaker operates at a maximum rated operational voltage of 690V AC and 750V DC, with an insulation voltage of 800V. It provides a breaking capacity of 35kA at 480V according to UL 489 standards, and up to 55kA at 415V according to IEC 60947.
Key electrical protection features include overload protection set at Ir=100A and fixed short-circuit protection (Ii) adjustable from 5 to 10 times the nominal current. The overcurrent release type is TM230 with LI protection function.
Mechanically, the unit has a typical service life of 20,000 switching cycles. Its dimensions are 185mm in height, 105mm in width, and 83mm in depth. It is designed for DIN rail mounting.
| 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 AC and 750 V DC.
The continuous current rating (Iu) is 100 A at 40°C, with derating at higher temperatures.
According to UL 489, the breaking capacity is 35 kA at 480 V. According to IEC 60947, it is 55 kA at 415 V and 7 kA at 690 V.
Overload protection is set at Ir=100A, and fixed short-circuit protection (Ii) is adjustable from 5 to 10 times the nominal current.
The circuit breaker measures 185 mm in height, 105 mm in width, and 83 mm in depth.
This circuit breaker supports DIN rail mounting.