Text for tenders: NH fuse-switch-disonnector


NH fuse-switch-disonnector

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 safety inserts to VDE 0636 part 21

Rated breaking capacity to

VDE 0660 part 107/IEC 60 947-3: AC 23 B - 400 V

                                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 - VO

Pvmax./fuse insert: 22 W

Cable outlet: top/bottom

Type of connection:

screw terminal M10 up to 150 mm2

Tightening torques

Assembly screw: 3 - 5 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 track: silver-plated hard copper



Manufacturer: Rittal
Type: NH fuse-switch-disonnector   SV 3409310
or equivalent


Quantity  Unit         Price Each                 Price Total
   
_____     ______       ____________               ____________
