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The Siemens 3VA5145-4ED32-0AA0 is a 3-pole molded-case circuit breaker designed for system protection. It operates with a rated voltage of 690V AC and features a thermal-magnetic trip unit (TM210) with fixed overload (Ir=45A) and short-circuit (Ii=10 x In) protection.
This circuit breaker has a rated operational current of 45A at 40°C, with derated values at higher temperatures. Its breaking capacity according to UL 489 is 25kA at 480V and 55kA at 240V according to IEC 60947. The device has a mechanical service life of 20,000 switching cycles and electrical endurance ratings varying by voltage and load type.
Constructed for DIN rail mounting, this breaker has dimensions of 76.2mm width, 140mm height, and 76.5mm depth. It is suitable for HACR and HID type applications according to UL 489. The unit features a nut keeper kit on both sides for secure connections.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The operational current is 45A at 40°C, derating to 41A at 70°C.
According to UL 489, the breaking capacity is 25kA at 480V. According to IEC 60947, it is 55kA at 240V and 36kA at 415V.
The rated voltage is 690 V AC.
This circuit breaker is designed for DIN rail mounting.
The RoHS status is RoHS3 Compliant.
The Moisture Sensitivity Level is 1 Unlimited.