DNH7-400/3 Fuse Switch Disconnector

DNH7-400/3 Fuse Switch Disconnector

  The DNH7 series fuse switch disconnector,in addition to be used as single apparatusrange,the range from size 00 to size 3 (160A - 630A) are also designed to be used in distribution systems by use of a busbar adapter for easy installation.The whole DNH7 range got a sturdy, uniform design that is operator friendly and safe with IP 30 from front in closed position and IP 20 in open position.

 

Fuse size

 

 

 

2

 

Busbar distance

 

 

 

60mm

 

Mounting method

 

 

 

 

busbar or plate

Rated operating voltage

Ue

V

 

AC690

 

Rated operating current

Ie

A

 

400

 

Thermal current with fuse-link

Ith

A

 

400

 

Utilisation category AC (IEC 60947-3)

 

 

AC-22B(690V)

AC-23B(500V)

Rated surge voltage Uimp

 

kV

 

8

 

Mounting position

 

 

 

Horizontal

 

Degree of protection

The front

IP20(open)

IP30(closed)

 

Fuse protected short circuit making

kArms

 

50

 

Connection screw

 

 

M10

 

 

 

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