High Voltage Protection

3.6/7.2/12/24/40.5kV I type fuse(d=Φ25mm)

3.6/7.2/12/24/40.5kVⅡtype fuse(d=Φ51mm)

Model

Rated Voltage Un(kV)

Rated current

In(A)

Length

L(mm)

Rated breaking current

(kA)

Model

Rated Voltage

Un(kV)

Rated current

In(A)

Length

L(mm)

Rated breaking current

(kA)

XRNP1

3.6   7.2    12

0.2

195

50

XRNP1

3.6  7.2 12

0.5

192

50

0.3

1

0.5

2

1

3.15

2

5

3.15

7.5

4

10

24

0.2

354

0.5

367

0.3

1

0.5

2

1

3.15

2

5

3.15

7.5

40.5

0.2

465

0.5

442

0.3

1

0.5

2

1

3.15

2

5

3.15

​​​​​​​

German DIN standard

Model

Rated VoltageUn(kV)

Rated currentIn(A)

LengthL(mm)

Rated breaking current

(kA)

Model

Rated VoltageUn(kV)

Rated currentIn(A)

LengthL(mm)

Rated breaking current(kA)

Foreign Reference Model国外参考型号

XRNT1

3.6/7.2

6.3

Φ51×192 Standard size

63

XRNT1

12

6.3

Φ51×192

50

10

10

16

16

20

20

Φ76×192

25

25

31.5

31.5

40

40

50

50

63

63

80

Φ76×192 Standard size

6.3

Φ51×292 Standard size

50

SDLAJ

100

10

125

16

160

Φ88×192 Standard size

50

20

200

25

250

31.5

6.3

Φ51×292

50

40

10

50

Φ76×192 Standard size

SGFLAJ

16

63

20

80

25

100

31.5

125

SKLAJ

40

160

Φ88×192 Standard size

50

200

63

6.3

Φ51×442

63

80

10

100

Φ76×292

50

16

125

20

160

25

200

Φ88×292

31.5

250

40

315

50

355

63

100

Φ76×442

63

80

Φ76×442

125

100

160

125

200

50

160

50

250

200

Φ88×442

315

250

355

100

Φ76×537

63

400

Φ88×442

125

500

160

XRNT1

17.5/24

6.3

Φ51×292

31.5

200

10

250

16

315

Φ88×537

50

20

Φ76×292

XRNT1

40.5

6.3

Φ51×442

31.5

25

10

31.5

16

40

6.3

Φ51×537

40

50

10

63

16

6.3

Φ51×442 Standard size

63

20

10

25

16

31.5

Φ76×537

20

40

25

50

Φ88×537

31.5

63

40

50

Φ76×442 Standard size

63

80

100

Φ88×442 Standard size

50

125

6.3

Φ51×537

63

10

16

20

25

31.5

40

50

Φ76×537

63

80

100

125

Φ88×537

31.5

160

200

Reference for selection of transformer primary end fuse

Transformer capacity (kVA)

Primary voltage of transformer

7.2kV

12kV

Rated current of fuse（A)

Rated current of fuse(A)

100

16

125

16

160

16

200

31.5

20

250

40

25

300/315

50

31.5

400

63

40

500

71

50

630

80

63

750/800

100

80

1000

125

80

1250

160

100

1500/1600

200

125

2000

250

160

2500

316

200

Model

Rated Voltage

Un(kV)

Rated current

In(A)

Length

L(mm)

Rated breaking current

(kA)

Model

Rated Voltage

Un(kV)

Rated current

In(A)

Length

L(mm)

Rated breaking current

(kA)

XRNT1

3.6

25

Φ51×192

63

XRNT1

12

25

Φ76×192

50

31.5

31.5

40

40

50

50

63

25

Φ51×292

80

31.5

100

Φ76×192

40

125

50

160

63

Φ76×292

200

Φ88×192

50

80

250

100

50

Φ51×292

50

125

63

160

Φ88×292

80

200

100

25

Φ51×442

63

125

31.5

160

Φ76×292

40

200

50

250

63

315

80

Φ76×442

355

Φ88×292

100

400

125

500

160

7.2

25

Φ51×192

63

200

Φ88×442

50

31.5

250

40

100

Φ76×537

63

50

125

63

160

80

Φ76×192

200

100

225

Φ88×537

50

125

250

160

Φ88×192

50

315

200

25

Φ51×192

63

31.5

40

50

63

80

100

Φ76×292

125

160

200

250

Φ88×292

50

315

355

Φ88×442

400

500

Model

Rated VoltageUn(kV)

Rated currentIn(A)

LengthL(mm)

A(mm)

C(mm)

Rated breaking current

(kA)

Foreign Reference Model

XRNM1

3.6

50

Φ51×254

334

300

63

WDFHO

63

80

100

125

160

Φ76×254

WFFHO

200

225

Φ76×254

50

WKFHO

250

315

355

400

XRNM1

7.2

25

Φ76×403

483

449

63

WNHO

31.5

40

50

63

80

100

125

160

200

50

WKNHO

224

250

315

XRNM1

12

25

Φ76×568

648

614

63

31.5

40

50

63

80

100

125

160

50

200

225

250