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Test switches and accessories
Test switches are designed and manufactured to allow quick and easy multi-circuit testing of switchboard relays, meters and instruments by any conventional system. These test switches and related test plugs have the features necessary for applications involving the measurement of individual curre...Read more -
Causes of common defects in 10kV high voltage switchgear
The 10kV high voltage switchgear has a large number and a wide range of applications, and its insulation level is of great importance to the safe operation of the power grid. If an insulation accident occurs in a 10kV high-voltage switchgear, the damage may be minor, which may cause equipment dam...Read more -
Precautions for the use of high-voltage ring main unit:
Precautions for the use of high-voltage cabinets: 1. The above quantity refers to the amount of one circuit, and each cabinet can accommodate two circuit outlets. 2. The vacuum contactor should be a contactor that can be electrically maintained after closing. 3. The circuit fuse can only be insta...Read more -
Causes of failure of transmission line insulators
1. Faults caused by lightning strikes or external forces According to statistics, in general insulator faults on transmission lines, the faults caused by lightning strikes account for 50% to 55% of the total. 2. Failure caused by pollution In the natural environment, affected by sulfur dioxide, n...Read more -
New product :Test switch
Description: TEST SWITCHES as per ANSI C12.9, 600 V, 30 A, with clear cover. The configuration color from left to the right should be as follows: 1=V(Red), 2=V(Red), 3=V(Red), 4=N, 5=CS(Black), 6=CT(Black), 7=CS(Black), 8=CT(Black), 9=CS(Black), 10=CT(Black) V= voltage (potential) pole. N= Neutra...Read more -
The Three Important Duties of a Fused Cutout
If you look up at the electrical distribution lines overhead, you are likely to see a fused cutout. That little device has been modified and improved over the last 80 years to become the product electric utilities all around the world use today. This product has become widely used because the fu...Read more -
How to choose household insurance and test switch?
Knife switch (Knife switch, referred to as KS), which uses a knife to switch on or off the connection between the power supply line and the load. Above the knife, there is a fuse that can be melted at high temperature. When a short circuit occurs, the fuse can be blown to cut off the power supply...Read more -
What is an Electric Meter?
An electric meter, or energy meter, is a device that measures the amount of electric energy consumed by a building, tenant space, or electrically powered equipment. Electric utilities use electric meters installed at customers’ premises to measure electric energy delivered to their c...Read more