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This Siemens 3VA5 series molded-case circuit breaker, part number 3VA5145-5ED31-1AA0, is engineered for reliable system protection. It features a 3-pole configuration and a rated operational current of 45A, with variations based on ambient temperature.
The breaker provides a significant breaking capacity of 35kA at 480V, and 85kA at 240V, ensuring safety in fault conditions. It is equipped with TM210 overcurrent release and LI protection function, with adjustable response values for both overload (Ir=45A) and short-circuit (Ii=10 x In).
Designed for DIN rail mounting, this circuit breaker has a mechanical service life of 15,000 cycles and electrical endurance ratings up to 8,000 cycles at 380/415V. The unit operates within an ambient temperature range of -25°C to 70°C and has a front protection class of IP40.
Key electrical specifications include a maximum power loss of 10.2W and an active power loss per pole of 3.4W. It supports HACR type functionality and is approved by multiple agencies including UL489, CE, and VDE.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The operational current rating is 45A at 40°C, 45°C, and 50°C, decreasing slightly at higher temperatures.
The breaking capacity is 35kA at 480V, 85kA at 240V, and 18kA at 600 Y/347 V.
The voltage rating is 690V.
This is a 3-pole circuit breaker.
It uses DIN Rail mounting.
The operating temperature range is from -25°C minimum.
Yes, it is RoHS3 Compliant.