CHKH Series Isolating Switch & Fuse Combinations (CHKH1/HH15/QSA), CHKH2(QA) & CHKH3(QP) (collectively referred to as Q Series): For 50Hz AC low-voltage distribution systems (660V rated voltage, 63A~3150A rated current). Manual, infrequent-operation main/general switch. Switches normal/overload current and single-motor loads.
