THL Fuse Disconnecting Switch
Scope of Application
THL series bar fuse disconnector is used in AC 50(60) Hz distribution unit 100mm or 185mm busbar system
with rated voltage up to 690V and rated thermal current up to 1600A, it¡¯s mainly made as power supply switch
and emergency switch as well as overload and short circuit protection of circuit, it has been widely used for
distribution facility such as box transformer and cable branch box etc.
The product complies with standard of GB14048.3, IEC60947.3
Structure Feature
THL series bar fuse switch disconnector is mainly mounted in 100mm or 185mm busbar system, which
integrates three single-pole fuse switch disconnectors in end-to-end arrangement. A contact blade seat of
each phase is connected with one phase of busbar system, kinds of cable connection terminals are optional
for cable outlet.The holder carrying live part is made of high strength fibre reinforced plastic(FRP). Ag-plated
fuse contact blade seat tightly connected with busbar ensures low power loss, low work temperature and
high breaking capacity. Standard bolt is used for cable outlet, cable connection terminal can also added.
The shell is fixed by rotation lock, which is easy for dismounting.
THL series bar fuse switch disconnector can be fixed by screw or hook. When it¡¯s mounted with hook, the
busbar doesn¡¯t need punching, which makes the installation easier , more flexible and more reliable.
Specification
Model and Description