NH Fuse Switch 690V
The NH fuse switch is applicable to high short circuit with AC 50(60)Hz, rated current 250A and the rated voltage up to 690V. It could use as power switch, isolating switch and emergency switch and for protecting current. Their contacting parts are used copper T3 and the cover is made of flame retardant plastic.
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- The NH fuse switch is applicable to high short circuit with AC 50(60)Hz, rated current 250A and the rated voltage up to 690V.
Electrical Parameter DNH18-630 DNH18-400 DNH18-250 DNH18-160 Rated Operating Voltage Ue V AC400 AC500 AC690 AC400 AC500 AC690 AC400 AC500 AC690 AC400 AC500 AC690 Rated Operating Current Ie A 630 630 500 400 400 315 250 250 200 160 160 125 Conventional Heating Current Ith A 630 630 500 400 400 315 250 250 200 160 160 125 Rated Limit Short-Circuit Current (With Fuse) KA 100 100 50 100 100 50 100 100 50 100 100 50 Use Level (With Fuse) AC-23B AC-22B AC-21B AC-23B AC-22B AC-21B AC-23B AC-22B AC-21B AC-23B AC-22B AC-21B Rated Insulation Voltage
(With Isolation Knife)Ui V AC1000 AC1000 AC1000 AC1000 AC1000 AC1000 AC1000 AC1000 AC1000 AC1000 AC1000 AC1000 Rated Impulse Withstand Voltage Uimp KV 12 12 12 12 12 12 12 12 12 12 12 12 Rated Impulse Withstand Voltage Hz 50/60 50/60 50/60 50/60 50/60 50/60 50/60 50/60 50/60 50/60 50/60 50/60 Electrical Life 200 200 200 200 200 200 200 200 200 500 500 500 
The NH fuse switch in 690V is widely used in low voltage electrical system and some special solar system. This type switch with fuse could provide more safer operation for the worker. Then it reduce the probability of accidents and the cost of distribution system.
Workflows with the same function, assembly and handling of switches and accessories form the function of a new strip switch.
The switchgear range offers the highest level of safety.
Basic equipment with flat terminals or box terminals.
Compatible with 185mm busbar system.
Power anti-theft system
Locking device for padlock
Sealable
Switch handle in safe parking position during maintenance work
Versatile connection techniques for copper /aluminium conductors
Various contact hazard protection covers included in the accessories
Circuit markings and rating plate at the front side
- The NH fuse switch is applicable to high short circuit with AC 50(60)Hz, rated current 250A and the rated voltage up to 690V.
