Text for tenders: NH bus-mounting fuse-switch-disconnector


NH bus-mounting fuse-switch-disconnector

for busbar systems with 60 mm / (100 mm

by means of SV 3412.000) bar centre distance

and Rittal PLS with electronic fuse monitoring.

Type: size 1

Rated operating current: 250 A

Rated operating voltage: 690 V AC

Rated insulation voltage: 690 V AC

Rated surge voltage resistance: 2.5 kV

Insulation group to VDE 0110: C

Conditional rated short-circuit current

when protected with fuses: 50 kA

Rated making capacity with fuse: =/1 of

fuse inserts to VDE 0636 part 21

Rated breaking capacity to AC 23B . 400 V

VDE 0660 part 107/IEC 60 947-3:   AC 23 B . 500 V

Mechanical life: > 1000 switching cycles

Permissible ambient temperature: - 25 C up to

+ 55 C

Fire protection: corresponding to UL 94 - V0

Pvmax./fuse insert: 22 W

Cable outlet: bottom

Type of connection:

screw terminal M10 up to 150 mm2

Tightening torque

Assembly screw: 8 - 10 Nm

Terminal screw: 15 - 20 Nm

Fuse monitoring: with LED

Material

Isolator lid: fibreglass-reinforced polyamide

Contact hazard protection:

fibreglass-reinforced polyamide

Isolator chassis:

fibreglass-reinforced polyamide

Contact tracks: silver-plated hard copper



Manufacturer: Rittal
Type: NH bus-mounting fuse-switch-disconnector   SV 3494210
or equivalent


Quantity  Unit         Price Each                 Price Total
   
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