Home » Switching Devices »Load Break Switch »Air Load Break Switch » 12kV Three Positions Load Break Switch With Moving Fit For SF6 Insulated Switchgear

12kV Three Positions Load Break Switch With Moving Fit For SF6 Insulated Switchgear

Model: LYL-12T

Description

LYL-12T load switch complies with the relevant requirements of GB3804-2004 "3.6kV~40.5kV high voltage AC load switch" and GB16926-1997 "AC high voltage load switch-fuse combination appliance". Main circuit: 630A-20kA (4s), 25kA (3s); Mechanical life: 5000 times; Grounding circuit: 20kA (2s); Mechanical life: 2000 times.

Request A Quote

General
Technical parameters

LYL-12T load switch complies with the relevant requirements of GB3804-2004 “3.6kV~40.5kV high voltage AC load switch” and GB16926-1997 “AC high voltage load switch-fuse combination appliance”.
Main circuit: 630A-20kA (4s), 25kA (3s); Mechanical life: 5000 times; Grounding circuit: 20kA (2s); Mechanical life: 2000 times.

Precautions for the use of environmental conditions:
1. Altitude not exceeding 2000m, seismic cracking degree not exceeding 8 degrees; .
2.The ambient temperature of the product is -40°C ~ +140°C, and the relative humidity is no more than 90% of the daily average and 90% of the monthly average.
3. The installation place of frequent violent vibration, water vapour, gas, chemical corrosive deposits, salt spray, dust and dirt and its fire, explosion hazardous installation place is not suitable for use.

Main technical parameters

S/N	Item	Unit	Data
1	Rated Frequency	Hz	50
2	Rated current	A	630
3	Rated short-time withstand current	kA	20/25
4	Rated peak withstand current	kA	50
5	Rated short circuit duration	s	4
6	Rated short-circuit closing current	kA	50
7	Theoretical operation	times	5000