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This Siemens 3VA5145-5ED21-1AA0 is a 2-pole molded-case circuit breaker from the 3VA5 series, designed for system protection applications. It features a permanent rated current of 45A and a maximum operational current of 45A at 40°C, with a slight derating at higher temperatures.
The circuit breaker offers a breaking capacity of 35kA at 480V and 18kA at 600Y/347V, with a switching capacity class of M. It includes adjustable overload protection (Ir=45A) and fixed short-circuit protection (Ii=10 x In). The overcurrent release type is TM210 with LI protection function.
Designed for DIN rail mounting, this unit has a mechanical service life of 15,000 switching cycles and electrical endurance ratings of up to 8,000 cycles at 480V. Its dimensions are 5.5 inches in height, 2 inches in width, and 3 inches in depth. The front protection class is IP40, and it operates within an ambient temperature range of -25°C to 70°C.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The permanent rated current is 45A, and the operational current at 40°C is also 45A.
The breaking capacity is 35kA at 480V and 18kA at 600Y/347V.
This circuit breaker has 2 poles.
It uses DIN Rail mounting.
The minimum operating ambient temperature is -25°C.
The RoHS status is RoHS3 Compliant.
The MSL is 1 Unlimited.