HR18 160A fuse switch disconnector

Specifications 1.NH fuse switch disconnector

2.Installing: baseplate mounting or busbar mounting.

3.Fuse :NH00/NT00

4.Standard: IEC60947-3

HR18(DNH7) fuse switch disconnectors 1. Description: DNH7(HR18) series fuse switch disconnectors is applicable to high short circuit current circuit with AC 50(60)Hz, voltage up to 660V and rated working current up to 1600A. It possesses upper and lower end input and output structure. Lead in equipment with knife-edge and arc extinguishing equipment, and also can be operated with load. It is used as power switch, isolating switch and emergency switch, and for protecting current..   2. Specification:

Model No.		DNH7-160A			DNH7-250A			DNH7-400A			DNH7-630A
Matched fuse link		NT00			NT1			NT2			NT3
Rated Voltage (V)		400	500	690	400	500	690	400	500	690	400	500	690
Rated Current (A)		125	160	125		250	200		400	315		630	500
Thermal current (A)		160			250			400			630
Rated insulated votage(V)		1000			1000			1000			1000
Rated impulse withstand voltage (V)		8000			8000			8000			8000
Fuse short circuit protected current (kAms)		50			50			50			50
Rated making and breaking capacity		AC23B	AC22B	AC21B	AC23B	AC22B	AC21B	AC23B	AC22B	AC21B	AC23B	AC22B	AC21B
Rated frequency (Hz)		50/60			50/60			50/60			50/60
Fuse link power loss (W)		3.5			7.5			13			24
Electrical life		200			200			200			200
Mechanical life		1400			1400			800			800
Protection degree of front cover	Open	IP20			IP20			IP20			IP20
	Close	IP30			IP30			IP30			IP30

  3.Outline dimension:           4.CE report:   5. About us: 1.We are professional manufacture factory of  disconnector switch & fuse switch disconnector & changeover switch etc. for more than 20 years. 2.Provide OEM, ODM service, owning ourself mould shop , realize the fully producing from mould making, spare parts till finished products. 3.Standard copper material and fully set inspection equipment to assue the quality. 4.Economically priced,exquisitely made.Experienced&responsible QC that you can rely on 5. Adequate supply capacity , punctual delivery tim 6. Best service after sale are provided.