carry on to further improve, to guarantee merchandise high-quality in line with market and buyer standard necessities. Our organization has a top quality assurance procedure have already been established for Discount wholesale CJW1 Series Intelligent Universal Circuit Breakers Acb, We sincerely welcome friends from all around the globe to cooperate with us within the foundation of long-term mutual benefits.
carry on to further improve, to guarantee merchandise high-quality in line with market and buyer standard necessities. Our organization has a top quality assurance procedure have already been established for China MCCB and Circuit Breaker, We believe that good business relationships will lead to mutual benefits and improvement for both parties. We now have established long-term and successful cooperative relationships with many customers through their confidence in our customized services and integrity in doing business. We also enjoy a high reputation through our good performance. Better performance will probably be expected as our principle of integrity. Devotion and Steadiness will remain as ever.
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 |
carry on to further improve, to guarantee merchandise high-quality in line with market and buyer standard necessities. Our organization has a top quality assurance procedure have already been established for Discount wholesale CJW1 Series Intelligent Universal Circuit Breakers Acb, We sincerely welcome friends from all around the globe to cooperate with us within the foundation of long-term mutual benefits.
Discount wholesale China MCCB and Circuit Breaker, We believe that good business relationships will lead to mutual benefits and improvement for both parties. We now have established long-term and successful cooperative relationships with many customers through their confidence in our customized services and integrity in doing business. We also enjoy a high reputation through our good performance. Better performance will probably be expected as our principle of integrity. Devotion and Steadiness will remain as ever.