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This Siemens 3VA5145-4ED21-0AA0 is a 2-pole molded-case circuit breaker from the 3VA5 series, designed for system protection and line applications. It offers a permanent rated operational current of 45A and a maximum breaking capacity of 25kA at 480V according to UL 489 standards.
The circuit breaker is built with a TM210 overcurrent release and LI protection function. It has a rated operational voltage of 415V AC and 250V DC, with an insulation voltage of 600V. The device is HACR Type listed and suitable for mounting on a DIN rail.
Key electrical endurance specifications include 8,000 switching cycles at AC-1 for 380/415V and 480V, and 4,000 switching cycles at 690V and 600V. Mechanical service life is rated at a typical 15,000 switching cycles. The dimensions are 140mm in height, 50.8mm in width, and 76.5mm in depth.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The permanent rated operational current (Iu) is 45A.
The breaking capacity according to UL 489 is 25 kA.
The maximum rated operational voltage with AC 50/60Hz is 415 V.
This circuit breaker has 2 poles.
It supports DIN Rail mounting.
The typical mechanical service life is 15,000 switching cycles.