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The Siemens 3RV20210HA10 is a robust circuit breaker engineered for reliable motor protection. It belongs to the SIRIUS 3RV2 series and is housed in a size S0 enclosure.
This thermal overload release circuit breaker offers an adjustable current response value ranging from 0.55 to 0.8 Amperes, with a nominal operational current of 0.8A at 400V AC-3. It provides a high breaking capacity of up to 100 kA at various voltage ratings, including 690V.
The device operates within an ambient temperature range of -20 to +60 °C and is suitable for installation at altitudes up to 2000 meters. It features phase failure detection and is ATEX certified for use in potentially explosive atmospheres.
Designed for DIN rail mounting, the 3RV20210HA10 is a key component for safeguarding electric motors in industrial applications.
The operating voltage is 20 to 690 V AC rated value, with maximum 690 V at AC-3 and AC-3e.
The ambient operating temperature range is -20 to +60 °C.
The adjustable current response value is 0.55 to 0.8 A.
The breaking capacity (Icu) is 100 kA at 240 V, 400 V, 500 V, and 690 V AC. The operating short-circuit breaking capacity (Ics) is also 100 kA at these voltages.
The trip class is CLASS 10.
It is approved by ATEX, CCC, CSA, EAC, and UL.
The power loss is 7.25 W total (2.4 W per pole) at AC in hot operating state.