Molded Case Circuit Breaker

MEBA ELECTRIC ENTERPRISE

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CNS Molded Case Circuit Breaker (MCCB)

1. Applications of Molded Case Circuit Breaker:
CNS molded case circuit breaker is one of the most advanced type breakers in the world,
which adopts international advanced design and manufacture technology. They are suitable for short circuit and overload protection for circuit of AC 690V 50/60Hz, rated current from 12.5A to 630A. It takes protect effect when mouse cage motors non-frequent start, breaking off working and protecting overload, short circuit and lacking voltage.
2. Characteristics of Molded Case Circuit Breaker (MCCB)

Rated current of	Thermodynamic release (ambient temp+40"C )				Operational current of magnetic release(A)
release(A)	1.05In(cold state) inoperative time (h)		1.30In(heat state) inoperative time (h)
In≤63	≥1		<1		10In±20%
63<In≤100	≥2		<2		10In±20%
100<In≤630	≥3		<2		5-10In±20%
Rated current of release(A)	Thermodynamic release (ambient temp+40"C)				Operational current of magnetic release(A)
	1.0In (cold state) operative time (h)	1.20In (heat state) operative time (h)	1.50In (heat state) operative time (h)	1.01 In(heat state) operative time (h)
12.5≤In≤400	≥2	<2	≤4min	2S<Tp≤10S	12In±20%

3. Specifications of Molded Case Circuit Breaker:

Type	Rated current (A)	Poles	Rated insulating voltage (V)	Rated operating voltage (V)	Arcing over distance (mm)	Ultimate short circuit breaker capacit	Servies short circuit breaker capacity	Operating perfor- inallce (times)
CNS- 100D	12.5,16, 20,25,32, 40,50,63, 80,100					18	18	1500 8500
CNS- 100N		3,4	950	690	0	25	25
CNS-100H						70	70
CNS-100L						150	150
CNS-160D	16,20,25, 32,40,50, 63,80,100, 125,160					25	25	1500 7000
CNS- 160N						36	36
CNS- 160H						70	70
CNS-160L						150	150
CNS-250D	160,180, 200,225, 250					25	25	1000 7000
CNS-250N						36	36
CNS-250H						70	70
CNS-250L						150	150
CNS-400D	200,225, 250,300, 315,400					35	35	1000 4000
CNS-400N						45	45
CNS-400H						70	70
CNS-400L						150	150
CNS-630D	315,350, 400,500, 600,630					35	35	1000 4000
CNS-630N						45	45
CNS-630H						70	70
CNS-630L						150	150
CNS-1250D	630,700 800,1000, 1250					50	50	500 2500
CNS-1250N						65	65
CNS-1250H						85	85
CNS-1250L						160	160
CNS- 1600D	800,1000, 1250,1600					50	50	500 2500
CNS- 1600N						65	65
CNS- 1600H						85	85
CNS- 1600L						160	160

Electronic components including miniature circuit breaker, earth leakage circuit breaker, AC contactor, Power relay are provided.

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