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This Siemens 3RV20314WA10 is a size S2 circuit breaker specifically designed for motor protection applications. It features a thermal overload release with an adjustable current response value between 42 and 52 A, and an instantaneous short-circuit trip unit response value of 741 A. The breaker is rated for a maximum operating voltage of 690 V and a rated operational current of 52 A at AC-3 and AC-3e.
With a CLASS 10 trip class and a phase failure detection function, this circuit breaker provides reliable protection. It has a breaking capacity of up to 100 kA at 240 V AC. The device is suitable for DIN rail mounting and operates within an ambient temperature range of -20 to +60 °C.
Additional technical data includes a mechanical service life of 50,000 switching cycles for both main and auxiliary contacts, and an electrical endurance of 50,000 switching cycles. It also meets ATEX directive requirements with type of protection Ex II (2) GD.
The adjustable current response value for the current-dependent overload release is between 42 and 52 A.
The rated operating voltage is 20 to 690 V, with a maximum rated operating voltage of 690 V for AC-3 and AC-3e.
The trip class is CLASS 10.
It uses DIN Rail mounting.
The operating ambient temperature is -20 to +60 °C.