NS MCCB 630A ns mccb 630a circuit breaker

Detailed Product DescriptionNS MCCB moulded case circuit breaker,AC690V,50/60Hz, rated current from 12.5A to 630A. Good quality,reasonable price CE,ISO9001 2000 CCC Applications: series is one of the most advanced type breakers in the world.Which adopt internationaladvanced design and manufacture technology.They are suitable for short circuit and overload protection for circuit of AC690V,50/60Hz,rated current from 12.5A to 630A.Its rated insulation voltage is 690V.It can make and break non-frequent start,breaking off working and protecting overload,short circuit and under voltage. Tripping Characteristics: Rated current of release(A) Thermodynamic release(ambient temp+40 ) Operation current of magnetic release(A) 1.05ln(cold state) inoperative time(h) 1.30ln(heat state) inoperative time(h) ln 63 1 1 10ln 20% 63 ln 100 2 2 10ln 20% 100 ln 630 2 2 5-10ln 20% Rated current of release(A) Thermodynamic release(ambient temp+40 ) Operation current of magnetic release(A) 1.0ln(cold state) inoperative time(h) 1.20ln(heat state) inoperative time(h) 1.50ln(heat state) inoperative time(h) 1.0ln(heat state) inoperative time(h) 12.5 ln 400 2 2 4min 2S Tp 10S 12ln 20% Specifications: TypeRated current(A)Pole No.Rated insulating voltage (V)Rated operating voltageArcing over distance (mm)Ultimate short circuit breaking capacity(kA)Services short circuit breaking capacity(kA)Operation performance (Endurance)ONOFFCNS(NS)-100D12.5, 16, 20, 25, 32, 40, 50, 63, 80, 1003 49506900181815008500CNS(NS)-100N2525CNS(NS)-100H7070CNS(NS)-100L150150CNS(NS)-160D16, 20, 25, 32, 40, 50, 63, 80, 100, 125, 160252510007000CNS(NS)-160N3636CNS(NS)-160H7070CNS(NS)-160L150150CNS(NS)-250D160, 180, 200, 225, 250252510007000CNS(NS)-250N3636CNS(NS)-250H7070CNS(NS)-250L150150CNS9NS)-400D200, 225, 250, 300, 315, 400353510004000CNS(NS)-400N1545CNS(NS)-400H7070CNS(NS)-400L150150CNS(NS)-630D315, 350, 400, 500, 600, 630353510004000CNS(NS)-630N4545CNS(NS)-630H7070CNS(NS)-630L150150