... %Us b. Contactor Use Category: Ac-1Ac8a c. Contactor In With 0.4m Place, Its Noise Below 40db.4 . Installing Specification ... Than ±5°b. Before The Use Should Inspect The Power Terminal And The ContactorQuick Connect Whether Inserts Arrives, Is Reliable, Avoids ... , Coil Control Voltage, Rating Of Operating Current, Wiring Way(Terminal), Whether With Cover ,The Packing Way, Etc If You Request As Follows ...