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News

  • Seven common functions of circuit breakers

    How to choose a circuit breaker, when choosing a circuit breaker, pay attention to the seven major functions, consider the seven factors, and understand the seven common functions that should be paid attention to when choosing a circuit breaker. Common functions of circuit breakers: 1. Duplex con...
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  • The use of silicone rubber insulators on power equipment

    Silicone rubber (English name: Silicone rubber), divided into thermal vulcanization type (high temperature vulcanized silica gel HTV), room temperature vulcanization type (RTV), of which room temperature vulcanization type is divided into polycondensation reaction type and addition reaction type....
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  • How to Upgrade an Electric Meter and Panel to 200 Amp Service

    Steps to Upgrade to a 200 Amp Service Wire -Ensure that power is off to the entire building, which may involve more than just shutting off the main breaker. -Have utility company to disconnect electrical cables from the house. -Remove the glass meter from the meter socket. -Unscrew meter socket f...
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  • Detailed explanation of the operation steps and sequence of the drop-out fuse

    Regarding the operation steps of the drop-out fuse, the three-phase operation sequence of the high-voltage drop-out fuse, the power-off operation sequence of the distribution transformer, and the operation of the operator when the drop-out fuse is opened and when the drop-out fuse is pulled and c...
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  • Load operation method and steps of drop-out fuse

    Regarding the load operation method of the drop-out fuse, how to operate the 10kV distribution line of the rural power grid and the distribution transformer with a rated capacity less than 200kVA, what are the steps, including the precautions for opening and closing.   In rural power grid 10...
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  • Operation and maintenance of drop fuse and fault analysis

    Operation and Maintenance: (1) In order to enable the fuse to operate more reliably and safely, in addition to strictly selecting qualified products and accessories (including fuses, etc.) produced by regular manufacturers according to the requirements of the regulations, special attention should...
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  • environmental requirements and operating points for using drop-out fuses

    Application environment of drop-out fuse cutout: The 10kV drop-out fuse cutout is suitable for outdoor places where the ambient air has no conductive dust, no corrosive gas, flammable, explosive and other dangerous environments, and the annual temperature difference ratio is within ±40℃. The sele...
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  • The working principle and main functions of drop-out fuse

    The working principle and main functions of cutout fuse switch: The movable contacts at both ends of the fuse tube are fastened by the fuse (melt). After the upper movable contact is pushed into the protruding part of the “duckbill”, the upper static contact made of phosphor copper sh...
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  • Some Points to note when operating drop-out fuses cutout

    Some Points to note when operating drop-out fuses cutout When the drop-out fuse is in operation, when the power supply line has a short-circuit fault, the strong short-circuit current can quickly disconnect the high-voltage fuse. At this time, the upper and lower contacts of the fuse tube lose te...
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  • what’s the difference between transfer switch and load center?

    In the power system, distribution boxes and transfer switches are commonly used auxiliary power facilities, so what is the difference between transfer switches and distribution boxes?   When the circuit is out of power for some reason, the transfer switch can switch the circuit power supply ...
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  • what do you know about meter socket base?how much do you know about meter mounting socket?

    A meter socket is a type of outdoors electrical socket that connects an electrical meter to a house. These are the meters outside houses, commercial buildings and construction sites that measure the amount of power used so the supplier knows what to charge. A meter socket must be weatherproof, so...
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  • what are the Production process of rubber products like insulator or lightning arrester

    Production process of rubber products 1. Basic process With the rapid development of modern industry, especially the chemical industry, there are many kinds of rubber products, but the production process is basically the same. The production process of general solid rubber (raw rubber) as raw mat...
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