QSA Isolating Switch Fuse
Application Used to cabinet and drawer electrical controlling sets of equipment. Used as power switch isolating switch and emergency switch to protect circuit in distribution circuit and motor circuit, particularly the high-short circuit of AC 50-60Hz, the rated operational current 63-630A, rated operational voltage 660V below, current voltage 220V or 440V. Conformed to AC-21, AC-22, AC-23 It conforms to IEC60947-3.