We always continually offer you by far the most conscientious customer service, and the widest variety of designs and styles with finest materials. These attempts include the availability of customized designs with speed and dispatch for China Suppliers Cw1 2500A 4p Drawout Low Voltage Intelligent Circuit Breaker with 65ka Break, Customer pleasure is our main purpose. We welcome you to definitely build business relation with us. For further more information, you should never wait to contact with us.
We always continually offer you by far the most conscientious customer service, and the widest variety of designs and styles with finest materials. These attempts include the availability of customized designs with speed and dispatch for China Air Circuit Breaker and Intelligent Circuit Breaker, Our factory is equipped with complete facility in 10000 square meters, which makes us be able to satisfy the producing and sales for most auto part merchandise. Our advantage is full category, high quality and competitive price! Based on that, our products and solutions win a high admiration both at home and abroad.
Rated current Table 1 | ||||||||
Rated frame current Inm A | Rated current ln A | |||||||
2000 | (400)630,800,1000,1250,1600,2000 | |||||||
3200 | 2000,2500,2900,3200 | |||||||
4000 | 3200,3600,4000 | |||||||
6300 | 4000,5000,6300 |
The rated short circuit breaking capability and short time withstand of the breakers, the arcing distance is “zero” (as the outside of the breaker is no arcing.)Table 2
Rated frame current Inm A | 2000 | 3200 | 4000 | 6300 | ||||
Rated limit short circuit breaking capability lcu(kA)O-CO |
400V | 80 | 80 | 100 | 120 | |||
690V | 50 | 50 | 75 | 85 | ||||
Rated working short circuit breaking capability n x lcu(KA)/COS∅ |
400V | 176/0.2 | 176/0.2 | 220/0.2 | 264/0.2 | |||
690V | 105/0.25 | 105/0.25 | 165/0.2 | 187/0.2 | ||||
Rated short time withstand lcw lcs(kA)O-CO-CO |
400V | 50 | 50 | 80 | 100 | |||
690V | 40 | 40 | 65 | 75 | ||||
Rated short time withstand lcw (kA)———”+0.4s,O-CO |
400V | 50 | 50 | 65/80(MCR) | 85/100(MCR) | |||
690V | 40 | 40 | 50/65(MCR) | 65/75(MCR) | ||||
Notice: The input and out put wire are the same for the breaking of the capability. |
The maximum destroy power is 360W for the breakers, and in the different temperature,and rated lasting current will change.Table 3
Ambient temperature℃ |
Rated current | |||||||
400A | 630A | 800A | 1000A | 1250A | 1600A | 2000A | ||
40 | 400A | 630A | 800A | 1000A | 1250A | 1600A | 2000A | |
50 | 400A | 630A | 800A | 1000A | 1250A | 1550A | 1900A | |
60 | 400A | 630A | 800A | 1000A | 1250A | 1550A | 1800A |
Intelligent over current controller protection feature and functions The setting and error.Table 4
Long delay | Short delay | Instantaneous | Earthed error | |||||
lr1 | lr2 | Error | lr3 | Error | lr4 | Error | ||
(0.4-1)In | (0.4-15)In | ±10% | ln-50kA(Inm=2000A) ln-75kA(Inm=3200A) |
±15% | lnm=2000~3200A (0.2-0.8)In (1200A,160A) |
±10% | ||
Notice:lf it has the three steps protection at the same time, the setting will not across. |
Long delay over current inverse time ooperation features I2TL, =(1.51lr1)2tL, and its action time(1.02-2.0) Ir1, has time error is ±15%. Table 5
1.05Ir1 | 1.3Ir1 | 1.5Ir1 Setting time S |
15 | 30 | 60 | 120 | 240 | 480 |
>2hno action | <1h action | 2.0Ir Setting time S | 8.4 | 16.9 | 33.7 | 67.5 | 135 | 270 |
We always continually offer you by far the most conscientious customer service, and the widest variety of designs and styles with finest materials. These attempts include the availability of customized designs with speed and dispatch for China Suppliers Cw1 2500A 4p Drawout Low Voltage Intelligent Circuit Breaker with 65ka Break, Customer pleasure is our main purpose. We welcome you to definitely build business relation with us. For further more information, you should never wait to contact with us.
China Suppliers,China Air Circuit Breaker and Intelligent Circuit Breaker, Our factory is equipped with complete facility in 3000 square meters, which makes us be able to satisfy the producing and sales for most auto part merchandise. Our advantage is full category, high quality and competitive price! Based on that, our products and solutions win a high admiration both at home and abroad.