When operating an AC contactor, the following procedures should be observed:
(1) The contactor should be installed in accordance with installation requirements. Before installation, check the contactor's appearance for damage and looseness.
(2) The contactor's power supply line should be correctly connected, and the power supply voltage should match the contactor's rated operating voltage.
(3) The contactor's control line should be correctly connected, and the control line voltage should match the contactor's rated control voltage.
(4) The contactor's terminals should be securely fastened, and the wiring should comply with electrical safety standards.
(5) During use, the contactor should be regularly maintained, removing dust and oxides from the contactor contacts to ensure it remains in good working condition.
