Mechanical interlocking 3TF ac contactor 1.OEM 2.ISO9001, CE, CB, CCC certificates 3.high-class product after-sales service Mechanical interlocking 3TF ac contactorIt is suitable for 50/60Hz, rated voltage is 660V. Rated current is 9A - 32A at rated operational voltage 380V under the utilization category AC3. It mainly used for making or breaking circuit at a long distance, suitable for ...