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we are able to provide good quality items, aggressive rate and best shopper assistance. Our destination is “You come here with difficulty and we provide you with a smile to take away” for China Acb and Air Circuit Breaker, The working experience in the field has helped us forged a strong relations with customers and partners both in domestic and international market. For years, our products have been exported to more than 15 countries in the world and have been widely used by customers.
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 able to provide good quality items, aggressive rate and best shopper assistance. Our destination is “You come here with difficulty and we provide you with a smile to take away” for Hot Sale for CJW1-2000 Intelligent Universal Drawer Air Circuit Breaker Acb with IEC60947-2, We welcome an chance to do enterprise with you and hope to have pleasure in attaching further more particulars of our goods.
Hot Sale for China Acb and Air Circuit Breaker, The working experience in the field has helped us forged a strong relations with customers and partners both in domestic and international market. For years, our products have been exported to more than 15 countries in the world and have been widely used by customers.