Breaking Capacity: | High Voltage Circuit Breakers |
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Operation: | Electric Type |
Speed: | Normal Type Circuit Breaker |
Arc-extinguishing Medium: | Air |
Installation: | Fixed |
Structure: | MCCB |
Samples: |
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Customization: |
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Molded Case Circuit Breaker Specification:
Type | Rated current (A) | Num-ber of Poles | Rated insulation voltage(V) | Rated operating voltage(V) | Overall Dimensions | Ultimated short Circuit Breaking Capacity(KA) | Service Short Circuit Breaking Capacity(KA) |
Operation performance (Endurance) |
|
L W(3P/4P) H |
AC380V AC660V (400) (690) |
AC380V AC660V (400) (690) |
Load | Unload | |||||
CM8-125E |
12.5,16,20, 25,32,40, 50, 63,80,125,100 |
2P 3P/4P |
660V |
380 660 |
120 76/101 70 | 15 - | 7.5 - | 3000 | 7000 |
CM8-125S | 25 - | 16 - | |||||||
CM8-160S |
16,20,32,40,50, 63,80,100,125, 160 |
2P 3P/4P |
660V |
380 660 |
120 90/120 70 | 35 8 | 18 - | 4000 | 6000 |
CM8-160H | 50 10 | 25 - | |||||||
CM8-250S |
100,125,160, 180,200,225, 250
|
2P 3P/4P |
660V |
380 660 |
170 105/140 103.5 | 36 10 | 18 - | 2000 | 6000 |
CM8-250M | 60 16 | 30 - | |||||||
CM8-250H | 65 18 | 48 - | |||||||
CM8-800S |
500,630,700, 800 |
2P 3P/4P |
660V | 380
660 |
268 210/280 103.5 | 50 20 | 30 - | 1000 | 4000 |
CM8-800M | 65 25 | 48 - | |||||||
CM8-800H | 80 30 | 60 - | |||||||
CM8-400S |
200,225,250,300, 300, 400 |
2P 3P/4P |
660V |
380 660 |
254 140/184 103.5 | 35 16 | 18 - | 1000 | 4000 |
CM8-400M | 50 20 | 30 - | |||||||
CM8-400H | 65 25 | 48 - | |||||||
CM8-630S | 400, 500, 600 |
2P 3P/4P |
660V |
380 660 |
268 210/280 103.5 | 50 20 | 30 - | 1000 | 4000 |
CM8-630M | 65 25 | 48 - | |||||||
CM8-630H | 80 30 | 60 - |
Molded Case Circuit Breaker Tripping Characteristics:
Rated current of release (A) | Thermodynamic release | (ambient temp+40) | Operational currentof magnetic release (A) | ||
1.05In(cold state) inoperative time (h)
|
1.30In(heat state)inoperative time(h) | ||||
In<63 | ≥1 | <1 | 10-50In±20% | ||
63<In<100 | ≥2 | <2 | 10In±20% | ||
100<In<630 | ≥2 | <2 | 5-10In±20% | ||
Rated current of release (A) | Thermodynamic release(ambient temp+40ºC) | ||||
1.0In (cold state) |
1.20In (heat state) |
1.50In (heat state) |
7.2In (heat state) |
Operational current of magnetic release (A) |
|
12.5<In<400 | ≥2h | <2h | <4min | 2S<Tp<10s | 12In±20% |
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