Specification: It is a series of indicators that reflect the nature, performance and quality of goods. It is generally composed of a set of letters and numbers with a certain number of rules. In simple terms, specifications refer to what the device can do; models refer to the factory status of such devices. Such as brand, grade, composition, content, purity, size (size, weight) and so on. The product name and specification model should be standardized accurately and completely so as to ensure accurate classification and clear statistics. Air switch, also known as air circuit breaker, is a type of circuit breaker. It is a switch that automatically turns off when the current in the circuit exceeds the rated current. The air switch is a very important electrical appliance in the low voltage distribution network and the electric drive system. It integrates control and various protection functions. In the family life, the air switch is indispensable, and the air switch model is divided into various types. Next, let's take a look at the air switch models .

Air switch model

First, the family common air switch models are:

At present, households use DZ series air switches. The following air switch specifications are common:

C16, C25, C32, C40, C60, C80, C100, C120 and other specifications, where C represents the tripping current, that is, the take-off current, for example, C32 represents the starting current of 32 amps. The general installation of 6500W water heater uses C32, installation of 7500W, 8500W Water heaters use the C40's empty open.

Second, the industrial air switch models are:

DW and DZ types for power circuits are divided into 20, 32, 50, 63, 80, 100, 125, 160, 250, 400, 600, 800, 1000 ... (unit A)

  

for example:

There are many kinds of products in the air, but the model of the model is roughly the same. It's easy to understand, but different companies have different names that lead to different product names. But the standard method is still the same. The following is an example of the model specifications of the Airbus.

For example:

1, HZM6-63C32/ 1

Among them, HZ---a company code (Huazhou), M6-a product model, 63-a chassis level, C---a use category: lighting circuit (or general circuit), 32-one rated current, 1----1P (1 pole), open HZW66-400/3, HZW universal automatic air circuit breaker, 6-design code; "-400" rated current (A); "/3"-3 pole .

2. Polarity and Representation of Air Switch (Circuit Breaker)

Unipolar 220V cut-off live wire (miniature circuit breaker); bipolar 220V live wire and neutral wire cut off at the same time (DPN zero line fire double in double out circuit breaker); three 380V three-phase line all cut off; four 380V three-phase fire wire phase All zero lines are cut off. 1, the lighting circuit is generally selected 10-16A micro-off. 2, socket circuit generally choose 16-20A micro-leakage leakage. 3, air conditioning circuit generally choose 16-25A micro-off. 4, the general distribution switch box households choose 2P/32A-2P/63A micro-break or isolation switch.

  

Cause of air switch trip

When we encounter a trip condition, first determine whether the tripping air switch is a master switch or a branch outlet switch in the distribution box at home. If the main switch is not tripped, but the shunt switch trips, it indicates that there is a problem with the wiring of the high-power electrical supply line, that is, multiple high-power electrical appliances are connected to the same branch switch. In such cases, the high-power electrical line is adjusted to light load. The shunt switch can be (a high-power electrical appliance is recommended to use a separate shunt switch); if the shunt switch does not trip, the main switch trips, then calculate whether the sum of household appliances power exceeds the power supply approval capacity, and check whether the total switch capacity is Power supply approval capacity matching.

Editor's summary: The above is the model of the air switch, the introduction of the reasons for the air switch tripping, hoping to help those who have this need! For more information, please continue to follow our website. Follow-up will present more exciting content!

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