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12/24/40.5kV Earthing Switch

Short Description:

GPJN15-12/24/40.5 type indoor high voltage earthing switch is the assembly type products, its performance meet GB1985-2004 High Voltage AC Disconnector and Earthing Switch and the requirements of standard IEC62271-102:2002. The products suit for power system with 3.6kV-40.5kV, 3 phase, AC, 50(60)Hz; It has capacity of short-circuit close to protect the electrical equipment from damage, applicable for high voltage switchgear arrangement as the earthing protection when do maintenance.


Product Detail

Product Tags

GPJN22-40.5-31

Standard Working Condition

1. Altitude sea level not exceeding 1000m;
2. Ambient air temperature: +45℃,-25℃;
3. Seismic intensity not exceeding 8 degree;
4. Related humidity daily average value not more than 95%, monthly average not more than 90%;
5. Pollution class: II
Special condition: Please specify when ordering.

12kv Indoor High Voltage Ac Earthing Switch

Main Technical Data

Items

Unit

Data

Rated voltage

kV

12

Rated short-time withstand current

kA

31.5

Rated short-circuit duration

s

4

Rated short-circuit close current

kA

80

Rated peak withstand current

kA

80

Rated insulation level

Rated short-time power

kV

Phase to earth/between phase

42

Rated lighting impulse withstand voltage

75

Mechanical endurance

Times

2000

Technical Specification

GPJN15-12/31.5 Earthing switch outline and installation dimension

img1

GPJN15A-12/31.5 Earthing switch layout and installation size

img2

24kv Indoor High Voltage AC Earthing Switch

Main technical data

Items

Unit

Data

Rated voltage

kV

24

Rated short-time withstand current

kA

31.5

Rated short-circuit close current

kA

80

Rated peak withstand current

kA

80

Rated short-circuit duration

s

4

Rated insulation level

1min Power frequency withstand voltage

kV

Phase to earth/between phase

65

Lighting impulse withstand voltage

125

Mechanical endurance

times

2000

GPJN15-24/31.5 Earthing switch outline and installation dimension

img3

40.5kv Indoor High Voltage AC Earthing Switch

Main technical data

Items

Unit

Data

Rated voltage

kV

36/ 38/40.5

Rated short-time withstand current(4s)

kA

31.5

Rated short-circuit close current

kA

80

Rated peak withstand current

kA

80

Phase distance

mm

300, 350, 400

Rated insulation level

(1min) Power frequency withstand voltage

kV

Phase to earth/between phase

95

Lighting impulse withstand voltage

185

Outline and installation dimension

img4

GPJN15-12(24)(40.5)kV Motorized Earthing Switch

GPJN15-12(24)/D31.5, GPJN15-12/D40, 50, GPJN15-40.5/D31.5 series indoor high voltage motorized earthing switch (short as: motorized earthing switch) is designed for the intelligent switchgear requirement of the electric system. It is suit for 3~40.5KV, 3 phase, AC 50 (60) Hz power system and kinds of high voltage switchgears. It is applicable for high voltage switchgear arrangement as the earthing protection when maintenance.
The products’ performance meet GB1985-2004 High Voltage AC Disconnector and Earthing Switch and the requirements of standard as well as IEC62271-102:2002.

Earthing switch structure is simple and compact, light weight, flexible operation, easy installation, dynamic thermal stability, and a reliable electric operation, keep the original interlocks in catching rabbits switchgear chain constant, has been a national patent.

Products Model And Its Meaning

img7

Basic Parameters

Products model

GPJN15

Rated working voltage

12kV

24kV

40.5kV

 

Rated short-time withstand current(4S)

31.5kA

40kA

50kA

31.5kA

Rated peak withstand current

80kA

100kA

125kA

80kA

Rated short-circuit close current

80kA

100kA

125kA

80kA

Insulating level:

Main circuit withstand voltage(1min)

42kV

65 kV

95kV

Rated lighting impulse withstand voltage

75kV

125 kV

185kV

Across distance after open not less than

125mm

200 mm

300mm

Control voltage

AC220V

DC220V

DC110V


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