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The Siemens 3RV20314VB15 is a robust circuit breaker engineered for reliable motor protection. It belongs to the SIRIUS 3RV2 series and features a size S2 frame.
This thermal magnetic breaker provides an adjustable overload release ranging from 35 to 45 A, with a trip class of 20. It is designed for a rated operating voltage of up to 690 V AC and offers a high breaking capacity of up to 100 kA at 240 V AC. The unit includes a transverse auxiliary switch with one normally closed (NC) and one normally open (NO) contact.
With a mechanical and electrical endurance of typically 50,000 switching cycles, this circuit breaker ensures long-term operational reliability. It is suitable for installation altitudes up to 2,000 m and operates within an ambient temperature range of -20 to +60 °C. The breaker is designed for DIN rail mounting.
Key electrical specifications include an operational current of 45 A at AC-3 and AC-3e at 400 V, with corresponding operating powers of 22 kW. It also features phase failure detection for enhanced safety.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The rated operating voltage range is 20 to 690 V.
The adjustable current response value for the current-dependent overload release is 35 to 45 A.
The trip class is CLASS 20.
The maximum breaking capacity (Icu) at 400V AC is 65 kA.
Yes, it features phase failure detection.
The ambient temperature during operation is -20 to +60 °C.