- Contact Person : Mr. Zhang David
- Company Name : Guangdong Sihui Instrument Transformer Works Co., Ltd.
- Tel : 86-758-3233661,13902367376
- Fax : 86-758-3233679
- Address : Guangdong,Sihui,Dong Cheng District,Sihui,Guangdong,P.R.China
- Country/Region : China
- Zip : 526200
3 Phases Electrical Earthing Switch for Switchgear
3 Phases Electrical Earthing Switch for Switchgear
Technical Parameters for JN15-12Q (12GY) or 24Q/31.5-80 Earthing Switches
1 The product can be accompanied with varieties of high voltage switchgears and used for earthing while maintenance of high voltage equipment.
2 Features of Main Structure
2.1 Type GN15-12Q(12GY) or 24Q series indoor HV earthing switch consists of a bracket, a contacting knife, insulators, a closing spring and contacting seat.
Technical Parameters Table
Rated Voltage (kV) | Operating Voltage (kV) | Thermal Current for 4s (r.m.s.) (kA) | Dynamic Current (Peak) (kA) | Current Closed (Peak) (kA) | Rated Insulation Level (kV) | Closing Velocity (m/s) | Contacting Resistance for Primary Circuit (μΩ) |
12 | 10 | 31.5 | 80 | 80 | 42/75 | ≥6 | <60 |
12 | 10 | 31.5 | 80 | 80 | 60/125 | ≥6 | <60 |
3 Installation and Adjustment
3.1 The earthing switch can be mounted horizontally, vertically or declinely.
3.2 Loosen two fixing screws of adjusting ring 7 for the position adjustment of crank arm (right or left).
Notes:
1 The earthing switch of center distance between poles different from that mentioned above can be made according to the requirement of customers.
2 Detailed technical data and outline drawings shall be provided upon request.
3 Phases Electrical Earthing Switch for Switchgear
