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Knife-shaped series low-voltage fuses

This series of fuses are suitable for AC 50Hz, rated voltage up to 1000V, and rated current up to 1250A. They are mainly used in electrical installations for line overload and moderate protection (gG/gL). It can also be derived as moderate protection (aR) for conductor devices and their complete sets of equipment, as well as short-circuit protection (aM) for motors.The rated breaking capacity of this series of fuses is up to 120kA.This series of fuses comply with the national standard GB13539 and the International Electrotechnical Commission standard IEC60269.

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Product Overview

This series of fuses are suitable for AC 50Hz, rated voltage up to 1000V, and rated current up to 1250A. They are mainly used in electrical installations for line overload and moderate protection (gG/gL). It can also be derived as moderate protection (aR) for conductor devices and their complete sets of equipment, as well as short-circuit protection (aM) for motors.The rated breaking capacity of this series of fuses is up to 120kA.This series of fuses comply with the national standard GB13539 and the International Electrotechnical Commission standard IEC60269.

Product model

Product model

Rated voltage

Agreed heating current

(mm)Overall dimensions(mm)

A1

A2

A3

B1

B2

H1

H2

Φd

NT1/NH1/NGTC1

500/690V

250A

25

175

197

25

56

32

80

10.5

NT2/NH2/NGTC2

500/690V

400A

25

200

225

25

61

35

95

10.5

NT3/NH3/NGTC3

500/690V

630A

25

210

251

40

61

35

100

10.5

NT4/NH4/NGTC4

500/690V

1000A

44

260

309

45

87

40

140

10.5

Knife-shaped fuse base



Product Features

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