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The Siemens 3VA5112-5ED11-0AA0 is a 1-pole molded-case circuit breaker from the SENTRON series, designed for system protection applications. It features a rated operational current (Iu) of 125A, with specific operational current ratings varying by ambient temperature, such as 125A at 40°C and 111A at 70°C.
This circuit breaker has a maximum rated operational voltage of 415V AC and 125V DC, with an insulation voltage of 500V. Its breaking capacity according to UL 489 is 35kA at 277V and 18kA at 347V. According to IEC 60947, the breaking capacity (Icu) is 36kA at 240V and 5kA at 415V. The short-circuit current making capacity (Icm) is 75.6kA at 240V and 7.5kA at 415V.
The device has a mechanical service life of typically 15,000 switching cycles and an electrical endurance of 8,000 cycles at AC-1 for 380/415V. It is designed for DIN rail mounting and has dimensions of 140mm height, 25.4mm width, and 76.5mm depth. The overcurrent release is of type TM210 with LI protection function.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The maximum rated operational voltage for this circuit breaker is 415 V with AC 50/60Hz and 125 V with DC.
The breaking capacity at 277V according to UL 489 is 35 kA.
The current rating is 125A.
This circuit breaker has 1 pole.
This circuit breaker supports DIN Rail mounting.