Three-phase air-opening specifications latest three-phase air-opening model Daquan
Three-phase air-to-air opening, also known as air circuit breaker, is a switch that automatically turns off when the current in a circuit exceeds a certain current. Three-phase air-opening is an important electric appliance in low-voltage distribution network and electric drive system, three-phase air-opening control and multiple protection functions. It not only can effectively complete the contact and breaking circuit, but also can protect the circuit or electrical equipment from short circuit, serious overload, under voltage and other conditions. The air switch's dynamic and static contacts and contact rods are variously designed, but the circuit breaker is improved. Breaking ability is the most important and urgent purpose. What are the three-phase air-open specifications ? The following is my specific introduction to the three-phase air-open specification .
Three-phase open specifications
With the accelerating industrialization process, three-phase air-opening is being used in large quantities. As demand continues to increase, three-phase air-opening models have many specifications. At present, the most widely used home is the DZ series three-phase air switch. Common models/specifications are: C16, C25, C32, C60, C40, C100, C80, C120, etc., C indicates the tripping current that is the trip current, if you install 6500W water heater you need to use C32, install 7500W, 8500W water heater to use C40 air to open. The common three-phase air-open models in the industry are: DW and DZ types are divided into 20, 32, 50, 63, 80, 100, 125, 160, 250, 400, 600, 800 and so on.
Three-phase air-open - conventional inspection
Due to advances in science and technology, three-phase air-opening in modern industrial fields has been used in large quantities, making three-phase air-opening models, styles, and types constantly increasing. However, regardless of the type of three-phase air-opening models used, care must be taken during use. Routine testing, this can effectively ensure the normal operation of three-phase air-to-air opening. In home use sockets, lamp holders, kitchens, refrigerators, toilets, air conditioners should be set up separately three-phase air-opening, in the use of high-power rooms, if it is more than 4 square millimeters of the line to reach 20A, lamp line as long as 16A, according to actual needs Different choices of three-phase air-open models and specifications.
Three-phase air-opening principle
With the progress of society, the rapid economic development has accelerated the process of industrialization. Currently, three-phase open models and styles are available on the market, but the three-phase air-opening principle shares similarities. There are three types of three-phase air release tripping methods: thermal, electromagnetic, and compound tripping. When a general overload condition occurs on the line, the overload current cannot activate the electromagnetic release, but it can cause the heat element to generate a certain amount of heat, so that the bimetal is heated and bent upwards, and the lever is pushed to release the hook and the latch from one another. . When a short-circuit or severe overload occurs in the three-phase open circuit, the current value will be quickly tripped when the short-circuit current exceeds, and the electromagnetic release device will generate enough suction force to combine the armature with the impact lever.
Three-phase air-opening
There are many types of three-phase air-opening models on the market. Different three-phase air-opening models will have different effects during use. Three-phase air-opening under normal conditions, the over-current release armature will be released if it occurs. In case of severe overload or short-circuit fault, the main circuit serial coil will generate a strong suction force to pull the armature down and open the lock hook, resulting in disconnection of the main contact. The undervoltage release is exactly the opposite during operation. When the voltage is normal, the electromagnetic suction attracts the armature and the main contact is closed. In the event of a severe voltage drop or power failure, the armature is released and the main contact opens. When it returns to normal, it can only work after reclosing, effectively achieving the protection against pressure loss.
Three-phase air-open - common fault
Regardless of the three-phase air-opening type, some conventional faults will appear during the three-phase air-opening operation. In the conventional fault, it is first judged whether the tripping three-phase air-opening is the main power distribution switch or the branching outlet switch at home. If the master switch is not tripped and the shunt switch is tripped, it indicates that there is a problem in the wiring of the power supply line of the high-power appliance, that is, multiple pieces of high-power electrical appliances are linked on the same branching switch, and this situation only needs high-power electrical wiring. Adjust to light load shunt switch. If the shunt switch does not trip and the main switch trips, it is necessary to calculate whether the sum of the power of the household appliances exceeds the power supply capacity.
Editor's summary: The above is the introduction of the three-phase air-open specification, the latest three-phase air-opening model Daquan, hoping to help friends who have this need! For more information, please continue to follow our website. Follow-up will present more exciting content!
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