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Vigi compact NS series MCCB(moulded case earth leakage circuit breaker, residual current circuit breaker) is a new developed type adopting international advanced design and manufacturing technology it's rated insulating voltage is 690V, AC50/60Hz, rated operating voltage is 230V or 400V, rated operating current under 630A, it is used for unfrequent switching in the circuit. The breaker has overload sort circuit and under voltage protectiong device, which can prevent the circuit and power equipment form damage, meanwhile the breaker can supply human body with indirect contact and fireproofing protection, and also supply protect to long existing grounding fault which can not be checked out by overcurrent protection.
The breaker can be sorted as N type(middle high breaker) and H type(high breaking) according to rated limited.
Short circuit breaking capacity it has characters of small volume, high breaking capacity, short arc, aseismatic, optional earth leakage operating value/time.
Specification
Type Rated
Cureent(A) Pole number Rated Insultating Voltage(V) Rated Opreating Voltage(V) Arcing Over Distance(mm) Ultimate
Short Circuit Breaking Capacity(KA) Servies
Short Circuit Breaking Capacity(KA) Operation performance
ON OFF
NS-100D 12.5,16,20,
25,32,40,50,
63.80,100 Three
four
pole 950 380v 690< 18 18 1500 8500
NS-100N 25 25
NS-100H 70 70
NS-100L 150 150
NS-160D 16,20,25,32,
40,50,63,80,
100,125,160 25 25 1000 7000
NS-160N 36 36
NS-160H 70 70
NS-160L 150 150
NS-250D 160,180,
200,225,250 35 35 1000 7000
NS-250N 45 45
NS-250H 70 70
NS-250L 150 150
NS-400D 200,225,
250,300,
315,400 35 35 1000 4000
NS-400N 45 45
NS-400H 70 70
NS-400L 150 150
NS-630D 315,350,
400,500,
600,630 35 35 1000 4000
NS-630N 45 45
NS-630H 70 70
NS-630L 150 150
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