Series (QA) HH15 Switch-disconnector Fuse is available for the circuit with rated voltage up to 660v, a.c., 50-60hz, and rated operating current up to 1000A and lower. The switch, with utilization category of AC-23 is mainly used in the low voltage electrical distribution devices as power switch, switch-disconnector and emergency switch. It is reasonableness and compacting in its constribution and convenient to installating and maintaining. Technical data for the product conforms with the standards of IEC 408, JB 4012.
The connecting construction between the operating and the contact system ensures that the on-off movements of the handle correspond with on-off the contact, so that the contact position of handle is a positive indication of the contact position.