GN30-12(D) Indoor High-Voltage AC Isolating Switch

GN30-12(D) Indoor High-Voltage AC Isolating Switch

GN30-12(D) indoor high-voltage isolating switch is a new rotary contact knife type isolating switch, used in in the AC 50Hz power system with rated voltage of 12kV and below for losing and opening circuit under the voltage without load. The entire product structure is located on two upper and lower planes of the three-phase common bottom frame with two sets of fixed insulator and contact to turn on and off the switch by rotating the contact knife. The product features with compact design, small occupation space, strong insulation capacity, and easy installation and adjustment.

Overview:

1.1 Main applications:
GN30-12(D) indoor high-voltage isolating switch is a new rotary contact knife type isolating switch, used in in the AC 50Hz power system with rated voltage of 12kV and below for losing and opening circuit under the voltage without load. The entire product structure is located on two upper and lower planes of the three-phase common bottom frame with two sets of fixed insulator and contact to turn on and off the switch by rotating the contact knife. The product features with compact design, small occupation space, strong insulation capacity, and easy installation and adjustment.

Technical Parameters:

Product Model & Spec.
Parameter
Item
GN30-12/400-12.5 GN30-12/630-20 GN30-12/1000- 31.5 GN30-12/1250- 31.5
GN30-
12D/400-12.5
GN30-12D/630-20 GN30-
12D/1000-31.5
GN30-
12D/1250-31.5
Rated voltage (kV) 12
Rated current (A) 400 630 1000 1250
4S rated short-time withstand current
(kA)
12.5 20 31.5
Rated peak withstand current (kV) 31.5 50 80
Rated
insulation
level
Power frequency
withstand voltage for 1
minute (kV)
Phase-phase voltage, voltage to ground:42; Break voltage:48
Lighting impulse voltage (kV) Phase-phase voltage, voltage to ground:75; Break voltage:85

3.Operating Conditions:
1.Ambient temperature: Upper limit: +40ºC; Lower limit: -15ºC;
2.The altitude does not exceed 1,000 meters.
3.For relative air humidity, the daily mean is not greater than 95%, and the monthly mean is not greater than 90%;
4.The earthquake intensity does not exceed 8 magnitude scales.
5.Installed in places free of fire, explosive risk, chemical corrosion, and violent vibration.
6.The installation site shall be free of flammable substance, explosive risk, chemical corrosion and violent vibration.

4.Outline and Installation Dimensions:

GN30-12

GN30-12D

                                                        

 

Phase sapcing p
Dimensions
Model
210 230 250
A B C D E A B C D E A B C D E
GN30-12/400、 630 680 282
(Parallel
on both
sides)
363
(Vertical
on both
sides)
510
(Parallel
on both
sides)
575
(vertical
on one
side)
665
(Vertical
on both
sides)
820 720 282
(Parallel
on both
sides)
363
(Vertical
on both
sides)
510
(Parallel
on both
sides)
575
(vertical
on one
side)
665
(Vertical
on both
sides)
860 760 282
(Parallel
on both
sides)
363
(Vertical
on both
sides)
510
(Parallel
on both
sides)
575
(vertical
on one
side)
665
(Vertical
on both
sides)
900
GN30-12/1000
GN30-12/1250
GN30-12D/400、 630 615 615 615
GN30-12D/1000
GN30-12D/1250

 

Professional Isolating Switch supplier and manufacturer 

  1. Zhejiang GONGSHUN Electrical Co.,Ltd (electricgs.com), Our company was founded in the late 1990s, specializing in the production of inflatable cabinets, SF6 inflatable cabinets, and various high and low voltage complete sets of electrical equipment. It has multiple subsidiaries under its jurisdiction, including high-voltage load switch branch, high-voltage circuit breaker branch, high-voltage fuse branch, and technology development branch.Our technical expertise, comprehensive product portfolio and long-term rich experience are helping many customers in need to solve their power problems. We’re happy to help at any time.  Whether you need application product advice or technical assistance, our global service team is committed to providing you with the right support. For more technical information about medium voltage earthing switch, feel free to contact us, send an email to gongshun@electric-cn.com 
  2. Our company specializes in producing 12KV-40.5KV series high-voltage electrical products: FZN58, FLN48, FLN36, FZRN25, FZN21, FN18, ZFN16, FN12, FN8, FN7, FN5, XRNT, XRNP, VS1, ZN28, ZW8, ZW32, JN15, GN19, GN22, GN24, GN30, CLXGN15-12, HXGN □ -12, DXG-12 (L), DFW □ -12 high-voltage cable branch box, CLXGN □ -12 (SF6) series inflatable cabinet 12KV and 35KV cable accessories, etc; CLVXP-12 indoor AC high voltage fixed switchgear, CL-SIS-12 compact solid insulated ring main unit, professional assembly Schneider SC6 (SF6) series load switchgear, ABB produced SFG (SF6) series load switchgear and other series products; Distribution and agency of high-voltage load switches and inflatable cabinets produced by Schneider Electric and ABB; Siemens produces the 3AJ1 series of indoor medium voltage vacuum circuit breakers and other related products. The company has a complete range of products and has been operating safely on domestic and international power grids for a long time, receiving unanimous praise from both new and old users. Among them, multiple products such as FZRN25, FN12, FLN36-12, XRNT-12 have been exported to various countries and regions in East Asia, South Asia, Southeast Asia, Africa, and the United States.