Chi tiết biến dòng KBC-03S
Chức năng: Biến dòng đo lường
Mã sản phẩm: KBC-03S
Hãng: Lightstar
Dung lượng: 2.5VA - 5VA
Đường kính trong (Ø): 32mm
Mức cách điện: 1.15kV (4 kV ~ 1 phút)
Tần số: 50/60 Hz
Độ bền quá dòng: 40
Hướng dẫn chọn mã
KBC Series , KB Series

KBD Series

KBF Series

KBJ Series

KBK Series , KBY Series , KBT Series

KBM Series

KBO Series, KBV Series, KBG Series , KBL Series

Hướng dẫn chọn mã chi tiết


Thông số kỹ thuật
KBJ Series, KBD Series , KBM Series , KBF Series
| Secondary current |
Overcurrent strength |
Maximum voltage |
Withstand voltage |
Frequency |
| 5A OR 1A |
40times |
1.15kV |
4.0 kV / 1 min |
50/60Hz |
KBF Series
| Classification |
Secondary current |
Overcurrent strength |
Maximum voltage |
Withstand voltage |
Rated frequency |
| Contents |
5A or 1A |
40In |
1.15kV |
4 kV / 1 min |
50/60Hz |
| Remarks |
Secondary output 1A can be ordered for 1000A over only |
| Use |
For Measure (1.0 CL, MCT) |
For OCR(PCT) |
| Burden |
5VA |
5VA |
40VA |
2,5VA |
5VA |
| Primary current |
200~400A |
500~750A |
800~2000A |
250~600A |
750~1000A |
KBC Series
| Maximum voltage |
e Overcurrent strenght |
Withstand voltage |
Frequency |
Body material |
Weight |
| 1.15kV |
40Times |
4.0 kV / 1 min |
50/60Hz |
Flame retardant case and polyester flame retardant resin filling |
KBC-03(1100g) KBC-06(1800g) |
KBK-08 Series
| Double ratio |
Single ratio |
| Primary current |
Contact section |
Conductive section |
Primary current |
Contact section |
Conductive section |
| 150~75A 300~150A 400~200A 500~250A |
180㎟ |
280㎟ |
150A 250A 400A |
200A 300A 500A |
180㎟ |
280㎟ |
| 1000~600A |
940㎟ |
1120㎟ |
750A 1000A |
600A 800A |
940㎟ |
1120㎟ |
| Secondary current |
Maximum voltage |
Rating burden |
Polarity |
Body material |
Rated frequency |
Class |
Rated overcurrent strength |
Weight |
| 5A |
230V (1150V) |
15VA (PF 0.8) |
Subtractive polarity |
Flame retardant ABS Resin |
50/60Hz |
0.5W |
40In |
2.5kg |
KBK Series
| Maximum voltage |
Overcurrent strenght |
Withstand voltage |
Frequency |
Body material |
Weight |
| 1.15kV |
40Times |
4.0 kV / 1 min |
50/60Hz |
Flame retardant case and polyester flame retardant resin filling |
KS C 1706, IEC 60044-1 |
KBA-30 Series
| Current range |
Rated output voltage |
Withstand voltage |
Secondary wire specification |
Outer case material |
Temperature range |
| 30A~4000A(Linearity±1%) |
4000A/2.26V[0.6mV/A] External connection resistance(at 6kΩ) |
Conductive part and mounting -2.5 kV 1 minute |
Secondary shielded wire [2x0.5㎟]1.5m |
Flame retardant case Internal : unsaturated polyester resin molding |
-25℃~+55℃ |
KBN Series
| Insulation resistance |
over 10MΩ |
Rated Voltage |
380V |
| Discharging capacity |
100kVA |
Circuit |
3 phase |
| Operating voltage |
1.1Vn(Average) |
Withstand voltage |
2 kV / 1 min , 2Vn/120Hz 60sec |
| Temperature rise |
50deg |
KB Series
| Type |
Burden |
Class |
Weight |
Body material |
| KBQ |
50VA |
1.0 |
2.0kg |
Flame retardant case |
| KBR |
50VA |
1.0 |
3.5kg |
Flame retardant case and polyester flame retardant resin filling |
| 5.0kg |
| KBS |
15VA |
3.0 |
1.2kg |
| Specification |
| Frequency |
60Hz(Standard), 50Hz(order) |
| Overvoltage factor |
1.1 Vn Continuous/1.9Vn 30s |
| Induced withstand voltage |
120HZ, 2 times of rated voltage 1 min |
| Rated fuse |
500V, 2A
|
KBT Series
| Class |
Rated burden |
Rated voltage |
Rated frequency |
Overvoltage factor |
Instantaneous rating |
Withstand voltage |
Induced withstand voltage |
Rated fuse |
Body material |
| 1.0 |
Follow the configuration |
Follow voltage classification |
60 Hz (Standard), 50 Hz (order) |
1.1 Vn Continuous |
1.9Vn 30s |
3 kV / 1 min |
120HZ, 2 times of rated voltage 1 min |
500V, 2A |
Flame retardant case |
KBO Series
| Class |
1.0 |
| Rated burden |
3P4W, 50VA(17VA X 3) 3P3W, 50VA(25VA X 2) |
| Rated voltage |
Follow voltage classification |
| Rated frequency |
60 Hz (basic), 50 Hz (order) |
| Overvoltage factor |
1.1 Vn Continuous/1.9Vn 30s |
| Withstand voltage |
3 kV / 1 min |
| Induced withstand voltage |
120HZ, 2 times of rated voltage 1 min |
| Rated fuse |
500V, 2A |
| Body material F |
Flame retardant case and polyester flame retardant resin filling |
KBV Series
| Class |
1.0% |
Insulation resistance |
More than 10㏁ (Terminal and exterior box) |
| Operating temperature |
-10~55℃ |
Withstand voltage |
AC 2kV/1min (Terminal and exterior box) |
| Operating humidity |
20~80% |
Weight |
160g(LTy) |
KBG Series
| Primary voltage |
Secondary voltage |
Tertiary voltage |
Burden |
Class |
Freq. |
Over Voltage Factor |
| 220/√3V ~ 750/√3V |
110/√3V or 190/√3V |
110/3V or 190/3V |
secondary 50VA Tertiary 100VA (1min) |
KS C 1706 1.0 IEC 60044-2 1.0/3P JEC 1201 1P/3G |
Standard 60Hz Option 50Hz |
1.1Vn Continuous/ 1.9Vn 30s |
KBL Series

KBY Series

Ứng dụng
Trong tủ điện biến dòng đo lường là thiết bị được dùng trong việc đo lường dòng điện xoay chiều ở mức lớn, biến dòng sẽ được mắc nối tiếp với dây dẫn mang dòng điện và ampe kế sẽ được nối với đầu thứ cấp của biến dòng