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The Siemens 3VA5245-7ED31-0AA0 is a molded-case circuit breaker from the 3VA5 series, designed for robust system protection applications. This 3-pole breaker features a continuous current rating (Iu) of 45A and a maximum rated operational voltage of 690V AC. It boasts a significant breaking capacity, rated at 100kA at 480V according to UL 489 standards, and 110kA at 415V according to IEC 60947.
Equipped with a TM210 overcurrent release and LI protection function, this circuit breaker provides reliable overload and short-circuit protection. The fixed overload setting is 40A, with an adjustable short-circuit setting ranging from 450A to 450A. The breaker is designed for DIN rail mounting and has a mechanical service life typical of 20,000 switching cycles.
Key electrical specifications include an insulation voltage (Ui) of 800V and a maximum power loss of 22.2W. The physical dimensions are 185mm in height, 105mm in width, and 83mm in depth. This model is suitable for HACR Type applications as per UL 489.
Compliance includes RoHS3, MSL 1, and REACH Unaffected status, though these are noted as unverified in the database. The breaker does not feature communication or other measurement functions.
| 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 690V AC and 750V DC.
The continuous current rating (Iu) is 45A.
The breaking capacity is 100kA at 480V (UL 489) and 110kA at 415V (IEC 60947).
This circuit breaker is designed for DIN rail mounting.
The dimensions are 185mm in height, 105mm in width, and 83mm in depth.
It uses a TM210 overcurrent release with LI protection function.