(A) NH4-125 3P 63A DB

NH4 Switch disconnectors (known as Isolators) can be used in Chint consumer units, Chint distribution boards or as standalone devices to provide circuit protection. Ensures that the electrical circuit is completely de-energised for service or maintenance. Designed to match NB series MCBs/RCBOs. Din rail mountable.

Manufacturer’s code: 971021
IEC/EN 60947-3

Rated voltage Ue: 400 V
Rated current le: 63 A
Rated frequency: 50/60Hz
Rated impulse withstand voltage (1.2/50)Uimp: 4,000 V
Rated short-time withstand current lcw: 12le, 1s
Rated making and breaking capacity: 3le, 1.05Ue, cosΦ=0.65
Rated short circuit making capacity: 20le, t=0.1s
Dielectric test voltage at ind. Freq. for 5s: 1.89 kV
Insulation voltage Ui: 500 V
Pollution degree: 2
Uilization category: AC-22A
Electrical life: 1,500
Mechanical life: 8,000
Protection degree: IP20
Ambient temperature (with daily average≤35℃): -5…+40 °C
Terminal connection type: Cable/Pin-type busbar/U-type busbar
Connection: From top and bottom
IEC/EN 60947-3