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The Siemens 3RV28111KD10 is a size S00 circuit breaker specifically designed for transformer protection applications, adhering to UL 489 and CSA C22.2 No.5 standards. This 3-pole device operates with a thermal magnetic trip unit and has a rated operational current of 12.5A.
Key electrical specifications include a maximum operating voltage of 690V and a rated operational frequency of 50-60Hz. The breaking capacity (Icu) at 400V is 100kA, and at 690V it is 6kA. The instantaneous short-circuit trip unit has a response value of 260A.
Environmental conditions for operation include an ambient temperature range of -20°C to +60°C and a relative humidity range of 10% to 95%. The circuit breaker is mounted on a DIN rail and offers a mechanical service life of up to 100,000 switching cycles for both main and auxiliary contacts.
This model supports auxiliary switch extensions and is suitable for applications requiring robust protection and monitoring functions. Its design ensures reliable performance in industrial environments.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The rated operational current is 12.5A.
The maximum operating voltage is 690V.
It uses a thermal magnetic trip unit.
It has 3 poles.
The operating temperature range is -20°C to +60°C.