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The Siemens 3VA5145-4ED56-0AA0 is a 1-pole molded-case circuit breaker designed for system protection. It features an operational current rating of 45A at 40°C, with derated values at higher temperatures.
This circuit breaker provides a breaking capacity of 25kA at 277V according to UL 489 standards, and 5kA at 415V according to IEC 60947. It is equipped with a TM210 overcurrent release and offers LI protection functions. The device is suitable for HACR and HID type applications.
Designed for DIN rail mounting, this circuit breaker has an insulation voltage rating of 500V and a maximum rated operational voltage of 125V DC or 415V AC. It has a mechanical service life of 20,000 switching cycles and an electrical endurance of 8,000 cycles at 380/415V AC-1.
Key electrical specifications include a maximum power loss of 3.8W. The circuit breaker is compliant with RoHS3, REACH Unaffected, and MSL 1 standards. It is approved by CCC, CE, UL489, 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.
The breaking capacity is 25kA at 277V (UL 489) and 5kA at 415V (IEC 60947).
The operating voltage at AC is rated for 415 V, and the maximum rated operational voltage with DC is 125 V.
It is designed for DIN Rail mounting.
It is approved by CCC, CE, UL489, and VDE.
The typical mechanical service life is 20,000 switching cycles.