The air switch is in daily work or living place. We should be able to use it often, but we have a good understanding of it. When we are faced with the need to choose an air switch, which is better for home air switch ? I do not know what to do! Home air switch according to the tripping characteristics of B, C, D type, B type of instantaneous tripping current is 3-5 times the rated current (In), suitable for resistive load; Class C instantaneous tripping current is 5 - 10In, suitable for general load; Class D instantaneous trip current is 10-20In, suitable for large inductive loads. Today, I would like to introduce to you is the home air switch models and home air switch buying skills, hoping to help meet the needs of friends! What is an air switch? Air switches, also known as air circuit breakers, are 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 addition to being able to complete the contact and breaking circuit, it can still protect the circuit or electrical equipment from short circuit, severe overload and under voltage, etc., and can also be used to start the motor infrequently. Home air switch model What are the common home air switch models? This depends on the total power of the respective household electrical equipment. The selection principle is based on the maximum operating current. Therefore, the type of air switch selected by different household appliances will be different. C65N 1P-: C1A C2A C4A C6A C10A C16A C20A C25A C32A C40A C50A C63A C65N 2P-: C1A C2A C4A C6A C10A C16A C20A C25A C32A C40A C50A C63A C65N 3P-: C1A C2A C4A C6A C10A C16A C20A C25A C32A C40A C50A C63A C65N 4P-: C1A C2A C4A C6A C10A C16A C20A C25A C32A C40A C50A C63A C65N 1P-: D1A D2A D4A D6A D10A D16A D20A D25A D32A D40A D50A D63A C65N 2P-: D1A D2A D4A D6A D10A D16A D20A D25A D32A D40A D50A D63A C65N 3P-: D1A D2A D4A D6A D10A D16A D20A D25A D32A D40A D50A D63A The increase in the model is generally 6,10,16,20,25,32,40,50,63,80,100,125,150,225,400. D stands for power and C stands for lighting. At present, the family uses DZ series air switches (miniature circuit breakers with leakage protection), the following are common models / specifications: C16, C25, C32, C40, C60, C80, C100, C120 and other specifications, where C is the trip current , That is, the starting current, for example, C32, said the starting current is 32 A, general installation of 6500W water heater to use C32, installation of 7500W, 8500W water heater to use C40 open. The open circuit has a rated current of several amps to several hundred amps such as 10 amps and 600 amps, but the ordinary DZ47-63 series has a maximum current of 63 amps, divided into 5 10 16 (15) 20 25 32 (30) 40 50 60(63) It seems that there are 3 A and 2.5 A. Short-circuit breaking current is generally 6000A in type c, 4000A in d series Air switch model how to look? Example: DZ10-100/330 Ie=60A DZ - "automatic" anti-pinyin, 10-- design number, 100 - is its shell level, 3- - indicates the number of poles that are three-phase, 3--trip mode (0 - no release ,1--thermal release type, 2--electromagnetic release type, 3--multiple type), 0--with or without auxiliary contacts (0--without auxiliary contacts, 2- with auxiliary contacts) , Ie = 60A - over-current regulation rated current. Key points: 1. The rated voltage of the air switch is greater than or equal to the rated voltage of the line; 2. The rated current of the air switch rated current and the overcurrent release is greater than or equal to the calculated load current of the line. Example: DZ47-60A C25 DZ47---series miniature circuit breakers (There are many series, basically all manufacturers named) LE-----With leakage tripping function 60----- frame rating is 60A C------ instantaneous trip overcurrent multiple according to the type, such as 5 to 7 or 7 to 10 times, D is 10 to 14 times the power type Home Air Switch Buying Tips 1. Whether there is an IEC mark on the switch surface, whether there is an IEC standard, and whether there is a sign such as GB10963. Is there a 3C quality certification and standard such as the A003152 logo. 2, pay attention to the color of the material, handle color distinction. 3, handle handle thrust elasticity. Editor's summary: The above is the home air switch model, home air switch purchase tips related to the introduction, hoping to help meet the needs of friends! High-power electrical appliances should avoid the use of load. Once the circuit is found to be aging, it must be replaced in time. It is necessary to select a safe, air switch with leakage protection; the power cord to be connected must be safe and reliable, and the wire should be well-proportioned and damaged. The line must not be used; it must not be connected to the power supply indiscriminately on the air switch; if there is an electric device in the home, the power must be turned off and the air switch must be turned off. Air switch as a total power switch, its responsibility, usually more attentive, and always ensure the safety of household electricity. For more information, please continue to follow our website. Follow-up will present more exciting content! Home air switch power supply air switch decoration air switch air switch automatic air switch
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