1. Introduction A power extension cord (also called an extension cord) is a cable with multiple conductors used for temporary electrical connections that require flexibility. Power extension cords are widely used in various types of electrical tools, equipment, household appliances, and machinery us...
More
A.Introduction The power switch is used to control the switch tube through the circuit for high-speed pass and cut-off. The direct current is converted into high-frequency alternating current and supplied to the transformer for transformation, thereby generating the required one or more sets of volt...
More.jpg?imageView2/2/format/jp2)
1. Introduction to switching power supply: Our common power supplies, including power adapters and chargers, are all classified as switching power supplies. A switching power supply is a kind of power supply that uses the time ratio of switching on and off of the control switch tube to maintain a st...
More
1. British plug This plug can be equipped with two-core wires and three-core wires. British plug current can have 3A, 5A, 7A, 10A, 13A, etc., and the voltage is 250V. 2. Argentina plug The plugin Singapore uses the British system plug. The plugs are all three-core, and the current of the Singapore p...
More
Sub-plugs, sockets, and connectors. Plugs and sockets are generally divided into two-pole plugs and two-pole with grounding plugs. Electricity flows, so I tell everyone here that as long as any electrical appliance is not in use, you must unplug it to save electricity. For power products, there are ...
More
Poor quality of plugs, sockets, and converters is an important cause of electrical fires. The quality problems of small plugs, sockets, and converters will cause serious harm to the personal and property safety of consumers. Therefore, when consumers buy plugs, sockets, converters, and switches, the...
More
1. You must choose a regular factory, supermarket, or specialty store, and choose branded products; choose the corresponding (matching) product according to the power of the electrical appliance 2. It is necessary to see if the product logo is complete, whether there is a manufacturer’s trademark, w...
More
The switch k is repeatedly turned on and off at a certain time interval. When the switch k is turned on, the input power source e is provided to the load rl through the switch k and the filter circuit, and the power source e provides energy to the load during the entire switch-on period; When the sw...
More
According to the number of users of the terminal board worldwide and the country in which it is used, the power strip can be divided into 12 types 1. Australian and Chinese standards: three flat head types, voltage 220V, frequency 50Hz; 2. U.S.-Japan standard: characterized by the vertical distrib...
More
Choose according to different needs 1. Wiring board for living room Types of electrical appliances in the living room: The main electrical appliances in the living room are color TVs and peripheral equipment. Some audio-visual enthusiasts will also configure a special surround sound system. In addit...
More
The main classification and the basic structure of the switch 1. Main classification Classified by a purpose: swing switch, band switch, record and playback switch, power switch, preselection switch, limit switch, control switch, transfer switch, isolating switch, travel switch, wall switch, smart ...
More
The main parameters of the switch Rated voltage: refers to the safe voltage allowed by the switch during normal operation. If the voltage applied to both ends of the switch is greater than this value, it will cause ignition and breakdown between the two contacts. Rated current: refers to the maxim...
More
EN 
中文简体
English
Deutsch