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This Siemens 3RV21111FA10 is a motor protection circuit breaker (MPCB) in size S00, featuring a thermal overload release and a magnetic short-circuit release. It is designed for standard switching capacity applications and mounts on a DIN rail.
The circuit breaker operates with a 3-pole main current circuit and offers an adjustable current response value from 3.5 to 5 Amps, with a nominal operational current of 5A at AC-3 and AC-3e ratings. It supports a wide operating voltage range from 20 to 690V, with a maximum rated voltage of 690V for AC-3 and AC-3e.
Key protective functions include phase failure detection and a CLASS 10 trip class. The breaking capacity (Icu) at 240V and 400V is rated at 100 kA, while at 690V it is 6 kA. The device also includes auxiliary contacts with operational current ratings for AC-15 and DC-13.
With a mechanical service life of 100,000 switching cycles and an electrical endurance of 100,000 cycles, this circuit breaker is built for reliability. It operates within an ambient temperature range of -20 to +60 °C and has a mechanical actuator type.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The adjustable current response value for the overload release is 3.5 to 5 A.
The rated operating voltage is up to 690 V.
This circuit breaker has 3 poles for the main current circuit.
The trip class is CLASS 10.
The operating temperature range is -20 to +60 °C.