fuse switch disconnectors

fuse switch disconnectors widely used for distribution facility such as distribution cabinet .box transformer and cable branch

fuse switch disconnectors

Scope of application

This series fuse switch disconnector is used in AC50(60)Hz distribution system with rated voltage up to 690V and rated thermal current up to 1600 A . It’s mainly made as power supply switch and emergency switch as well as overload and short circuit protection of circuit,

This series fuse switch disconnector has been widely used for distribution facility such as distribution cabinet .box transformer and cable branch box etc .

The product complies with standard of GB14048.3,EN60947.3    

Structure Feature

This series fuse switch disconnector integrates three poles into one hole.the holder carrying live part is made of high strength fibre reinforced plastic (FRP),Ag-plated fuse contact blade seat combined with NT(RT16) fuse link ensures low power loss,low work themperature and high breaking capacity.

This fuse switch disconnector can be classified into general and bus type is suitable for 60mm busbar system, and the busbar doesn’t need punching ,which makes the installation easier,more flexible and more reliable .

Type and meaning

Main technical parameter

Model and specification	Rated voltage(V)	Rated thermal current (A)	Equipped fuse link	Weight (KG)	Note
HR17-125	380/660	125	NH000(RT16-000)	0.75
HR17-160	380/660	160	NH00(RT16-00)	0.86
HR17-250	380/660	250	NH1(RT16-1)	2.24
HR17-400	380/660	400	NH2(RT16-2)	3.37
HR17-630	380/660	630	NH3(RT16-3)	4.64
HR17-1600	380/660	1600	NH4a(RT17a)	14.5
HR17-160/MS	380/660	160	NH00(RT16-00)	1.00	New busbar type
HR17-160/M	380/660	160	NH00(RT16-00)	1.23	Busbar type
HR17-250/M	380/660	250	NH1(RT16-1)	3.59	Busbar type
HR17-400/M	380/660	400	NH2(RT16-2)	4.48	Busbar type
HR17-630/M	380/660	630	NH2(RT16-3)	7.32	Busbar type

Installation Dimensios

Model and specification	a	b	c	e	f	h	g	φd
HR17-125	90	142	74	128	150	174	50	6
HR17-160	107	170	83	160	172	190	50/70	6
HR17-250	184	243	112	107	214	250	282	See fig.A
HR17-400	208	286	126	128	256	282	335	See fig.B
HR17-630	256	298	142	133	266	302	358	See fig.C

fuse switch disconnectors