Product overview

HH15 (QSA) Series Switch-disconnector-fuse integrates the functions of load Rate  switch and fuse short-circuit protection. It is mainly applied in distribution of high short-circuits and motor circuits as the power switches and emergency  switches.  It is especially suitable for installation and application in draw type  cabinets. This series switches are of closed structure design. The contact  system is composed of static knife contacts. moving rolling contacts and an quenching sets that are all fitted in the sealed case made of arc resistant

engineering plastic and zero arc flash out is achieved. The switching machanism is of reliable spring energy stored independent manual operation style.  On the upper part of the switch utmost two auxiliary switches may be quipped  in，each having a set of electrical separated normal open and normal closed  contacts.

Model and its meaning

The key technical indexes

Shape and installation dimensions