Fuse Switch Disconnector

GRL GRUOP > Fuse Switch Disconnector > 250A 3 Phase Fused Disconnect Switch DNH1-250/30G

250A 3 Phase Fused Disconnect Switch DNH1-250/30G

Mode: DNH1-250/30G

Voltage: 400VAC/690VAC/1000VDC

Rated Current:250A or other(160A, 400A, 630A, 800A)

Raw Material: Copper contacts, DMC base,PC cover

Certificate: TUV,CB,CE RoHs

Intalaltion type:Fixed type and busbar type

Opitional: With fuse link, mirco switch,fuse monitor

Email: [email protected]

Suitable fuse：40A, 50A, 63A, 80A, 100A, 125A, 160A, 200A, 225A, 250A(NH1) ,

Keyword: 250 amp disconnect switch, 250A 3 Phase Fused Disconnect Switch, fuser switch, ac fuse switch,250 amp fused disconnect

Download PDF: GRL DNH1G FUSE SWITCH CATALOGUE

Description

250A 3 Phase Fused Disconnect Switch Product parameters:DNH1-250/30G

Selection Help.

Structure description	Match fuse size	Mounting method	Product model	Item No.
Normal type	1	Fixed type	DNH1-250/30G	DN31101
With 1NO+ 1NC auxiliary contactor	1	Fixed type	DNH1-250/30G	DN31111
With 2 (1NO+ 1NC auxiliary contactor)	1	Fixed type	DNH1-250/30G	DN31121

Parameter Description

With fuse	Rated voltage	Ue	V	AC380	AC660
	Rated current	Ie	A	250	200
	Conventional thermal current	Ith	A	250	200
	Rated short-time withstand current		kA	100	50
	Rated insulation voltage	Ui	V	800
	Rated impulse withstand voltage	Uimp	kV	8
	Utilization category			AC-23B
				AC-22B
				AC-21B
				AC-20B
	Electric endurance times		Times	200

Read GRL 3 Phase Fused Disconnect Switch Busbar type DNH1-250/31G

250A 3 Phase Fused Disconnect Switch is Divided into fixed installation and busbar installation

Newly developed with electronic functions. At the same time, there are two types of wiring methods, one can be connected by traditional bolts, and the other can be connected by clips.

Fuse switches are manufactured according to international standards such as IEC 60947-3 and DN60269-2.

Fuse switches are manufactured according to international standards such as IEC 60947-3.

Read GRL article on what is a fused disconnect switch？

Click to view grl DNH7-160 product>>

250A 3 Phase Fused Disconnect Switch type DNH1G: it can be equipped with microswitch accessories, lock function, fuse detection function, and remote control function.

600 v fused disconnect switch 200 amp fused disconnect switch

250A 3 Phase Fused Disconnect Switch type DNH1: it has the function of locking, microswitch accessories, and there is no fuse detection controller, so it cannot carry out remote control function.

600v fused disconnect switch 250 amp fused disconnect switch

250A 3 Phase Fused Disconnect Switch Fuse disconnect switch type DNH7: it can be equipped with microswitch accessories and has no locking function.

600v fused disconnect switch 400 amp fused disconnect switch

250A 3 Phase Fused Disconnect Switch wiring

DNH1G: matching terminal 160A M8 bolt, 250a-400a M10 bolt, 630A M12 bolt, bolt 8.8 grade

DNH1: matching terminal 160A M8 bolt, 250a-400a M10 bolt, 630A M12 bolt, bolt 8.8 grade

DNH7: matching terminal 160A M8 bolt, 250a-400a M10 bolt, 630A M12 bolt, bolt 8.8 grade

DNH1G: matching cable square number 160A 16-70 mm², 250A -400a 25-150 mm², 630A 25-240 mm²

DNH1: matching cable square number 160A 16-70 mm², 250A -400a 25-150 mm², 630A 25-240 mm²

DNH7: matching cable square number 160A 16-70 mm², 250A -400a 25-150 mm², 630A 25-240 mm²

600v fused disconnect switch 600 amp fused disconnect switch

DNH1G switch type fuse : 100 amp fused disconnect switch,200 amp fused disconnect switch, 250 amp fused disconnect switch,400 amp fused disconnect switch, 600 amp fused disconnect switch,800 amp fused disconnect switch

DNH1 switch type fuse : 60 amp fused disconnect switch, 100 amp fused disconnect switch, 200 amp fused disconnect switch,400 amp fused disconnect switch, 630 amp fused disconnect switch。

DNH7 switch type fuse : 160 amp fused disconnect switch,250 amp fused disconnect switch, 400 amp fused disconnect switch,630 amp fused disconnect switch, 800 amp fused disconnect switch

600v fused disconnect switch 800 amp fused disconnect switch

Fused electrical switch selection principle of fuse:

Fuse NH00 matching specifications 100A fused disconnect switch, 125A fused disconnect switch, 160A fused disconnect switch
Fuse NH1 matching specifications 200A fused disconnect switch, 250A fused disconnect switch and 250A fuse switch
Fuse NH2 matching specification 400 amp fused disconnect switch
Fuse NH3 matching specifications 630 amp fused disconnect switch, 800 amp fused disconnect switch

Note: the selection principle of isolating knife is consistent with the fuse standard.