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Indoor Electric Earthing Switch
  • Indoor Electric Earthing SwitchIndoor Electric Earthing Switch
  • Indoor Electric Earthing SwitchIndoor Electric Earthing Switch
  • Indoor Electric Earthing SwitchIndoor Electric Earthing Switch

Indoor Electric Earthing Switch

Timetric electrical is a large-scale Indoor Electric Earthing Switch manufacturer and supplier in China. We have been specialized in High voltage equipment for many years. Our products have a good price advantage and cover most of the South America, Middle East, Africa, Southeast Asia markets. We look forward to becoming your long-term partner in China.

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Product Description

Timetric Indoor Electric Earthing Switch  Introduction

High Indoor Electric Earthing Switch is divided into outdoor type and indoor type, outdoor type includes single-pole switch and three-pole isolation switch, commonly used as the power supply line and the user separated the first break isolation switch; Indoor type is often connected in series with high-voltage circuit breaker, supporting use, to ensure the reliability of power failure. In addition, in the complete set of high voltage distribution equipment, isolation switch is commonly used as voltage transformer, lightning arrester, transformer used in distribution and high voltage control appliances of metering cabinet.

Timetric Indoor Electric Earthing Switch overhaul:

The connection point of the isolation switch connecting plate is overheated and discolored, indicating that the contact is bad and the contact resistance is large. The connection point should be opened during maintenance, the contact surface should be filed flat and polished with sandpaper (but the zinc plating on the switch connecting plate should not be removed), and then the screw is tightened, and the spring gasket should be used to prevent loosening. There is side strike phenomenon in the moving contact. The screw fixing the contact can be rotated, or the position of the support insulator can be moved slightly to eliminate side strike; When the three phases are different, it can be overcome by adjusting the screws at both ends of the tie rod insulator to change its effective length.

The contact pressure between contacts can be achieved by adjusting the clamping spring, and the degree of clamping can be checked by the feeler ruler.

Contact between the general can be coated with Vaseline to reduce friction resistance, prolong the service life, but also to prevent contact oxidation.

When the isolation switch is in the off position, the Angle or distance between the contacts does not meet the requirements, it should be adjusted by pulling the rod insulator

Timetric Indoor Electric Earthing Switch Environmental conditions

1. Altitude: no more than 1000m;

2. Ambient air temperature: -30 +40;

3. Relative humidity of the surrounding environment: the daily average is not more than 95%;

4. The monthly average is no more than 90%. Earthquake intensity is not more than 8 magnitude;

5. Safe place: no fire, inflammable, explosive, serious pollution, chemical corrosion and violent vibration place.

Timetric Indoor Electric Earthing Switch  Details

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