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What is the principle of operation for Magnetic Latching Contactor CR1F.
The latching function is due to the magnetic circuitry used in CR1F** contactors.
There are two inputs on the coil
Input to latch the contactor (A1) and
Input to release the contactor (E1).
On sending a pulse on A1 (1 to 2 seconds) the contactor closes and stays closed until a second pulse is sent on E1 (1 to 2 seconds) to release the contactor.
The wiring diagram below provides more details.
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