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This Siemens SENTRON 3VA6 series molded-case circuit breaker (MCCB) is designed for system protection applications. It is a 4-pole device with a current rating of 250A and a breaking capacity of 35kA at 480V.
The circuit breaker utilizes an ETU850 electronic trip unit with LSI (Long-time, Short-time, Instantaneous) protection functionality. Adjustable overload protection ranges from 100A to 250A, and short-circuit protection is configurable from 0.6 to 10 times the nominal current (Isd) and 1.5 to 12 times the nominal current (Ii).
With a voltage rating of 690V AC and mechanical dimensions of 248mm height, 184mm width, and 110mm depth, this MCCB offers robust performance. It boasts a mechanical service life of up to 15,000 switching cycles and electrical endurance ratings of 6,000 cycles at 380/415V and 480V.
Additional features include communication and other measurement functions. The device is suitable for DIN rail mounting and is compliant with UL 489 standards, including HACR type applications.
| 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 250A at temperatures up to 70°C.
The breaking capacity according to UL 489 is 35kA at 480V, and according to IEC 60947, it is 55kA at 415V.
The ETU850 trip unit offers LSI (Long-time, Short-time, Instantaneous) protection.
The dimensions are 248mm in height, 184mm in width, and 110mm in depth.
The typical mechanical service life is 15,000 switching cycles.
Yes, this circuit breaker supports communication functions.