We are proud of the substantial buyer pleasure and wide acceptance due to our persistent pursuit of top of the range each on solution and repair for Low MOQ for CJW1-1000acb Air Circuit Breaker 3poles Acb 3p, We put genuine and health as the primary responsibility. We have now a expert international trade crew which graduated from America. We are your next small business partner.
We are proud of the substantial buyer pleasure and wide acceptance due to our persistent pursuit of top of the range each on solution and repair for China Acb and Circuit Breaker, As an experienced manufacturer we also accept customized order and we could make it the same as your picture or sample specification. The main goal of our company is to live a satisfactory memory to all the customers, and establish a long term business relationship with buyers and users all over the world.
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 are proud of the substantial buyer pleasure and wide acceptance due to our persistent pursuit of top of the range each on solution and repair for Low MOQ for CJW1-1000acb Air Circuit Breaker 3poles Acb 3p, We put genuine and health as the primary responsibility. We have now a expert international trade crew which graduated from America. We are your next small business partner.
Low MOQ for China Acb and Circuit Breaker, As an experienced manufacturer we also accept customized order and we could make it the same as your picture or sample specification. The main goal of our company is to live a satisfactory memory to all the customers, and establish a long term business relationship with buyers and users all over the world.