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This Siemens 3VA5145-6ED12-1AA0 is a molded-case circuit breaker from the 3VA5 series, designed for system protection applications. It features a 1-pole configuration and a rated operational current of 45A at 40°C, with derating at higher temperatures. The circuit breaker boasts a significant breaking capacity of 50kA at 277V and 100kA at 120V, conforming to UL489 standards. It includes overload protection (Ir=45A) and fixed short-circuit protection (Ii=10 x In) with a TM210 trip unit.
The mechanical design includes a height of 140mm, width of 25.4mm, and depth of 76.5mm. Connections are made via a front-facing nut keeper kit suitable for conductor cross-sections up to 17 x 6.5 mm. The breaker is rated for a nominal AC voltage of 415V and has a typical mechanical service life of 20,000 switching cycles. It is also listed with UL489 HACR and HID type designations.
Compliance includes RoHS3 status, MSL 1, and REACH unaffected. The breaker is designed for DIN rail mounting.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The rated voltage for this circuit breaker is 415 V at AC.
The breaking capacity at 277V is 50 kA.
The operational current at 40°C is 45 A.
This circuit breaker has 1 pole.
The mounting type is DIN Rail.