The air switch is an indispensable switch for the safety of household electricity. When the air switch is installed incorrectly, or the air switch you purchased is not suitable for your home voltage, or if the line is connected incorrectly, it may cause a short circuit in the circuit and cause a safety accident such as a fire. Therefore, understanding the air switch installation method and air switch wiring method as well as understanding the choice of the air switch model is very important for the family's safety. If you are interested in this aspect, you may wish to follow me to understand the air switch model selection and air switch installation method, maybe it will help you!
Air switch model selection
1, DZ5 series plastic shell type air switch is suitable for AC 50HZ, 380V, rated current from 0.15A to 50A circuit.
2. DZ10 series plastic shell air switch is suitable for distribution in AC 50HZ, 380V or DC 220V and below, used to distribute power, protect circuit and power supply equipment overload, under voltage and short circuit, and infrequent under normal work Used for breaking and connecting lines.
3, DZ12 series plastic shell air switch, small size, novel structure, excellent performance and reliable. Mainly installed in the lighting distribution box, used in hotels, apartments, high-rise buildings, squares, airports, railway stations and industrial and commercial enterprises and other units exchange 50HZ single-phase 230V.
4, DZ15 series plastic shell type air switch, suitable for AC 50HZ, rated voltage 380V, rated current 63A circuit as the on-off operation
5, DZ20 series plastic shell type air switch applies to AC 50HZ, rated insulation voltage 660V, rated voltage 380V and below, its rated current to 1250A.
6, four air switch is mainly used for AC 50HZ, rated voltage 400V and below, rated current of 100 to 630A three-phase five-wire system, it can ensure that the user and the power supply is completely disconnected to ensure safety, and thus solve any other air Switch can not overcome the disadvantage of neutral current is not zero.
7, DZ47 series small air switch as long as applicable to AC 50HZ/60HZ, rated operating voltage is 240V/415V and below, rated current to 60A circuit, the air switch is mainly used in modern buildings, electrical lines and equipment overload, Short circuit protection.
8. SCML series air switch is applicable to the circuit of AC 50HZ, 60HZ, 500V and below for infrequent start-up of inverter box motor.
9, DW10 series universal air switch is suitable for AC 50HZ, rated voltage to 440V electrical circuit, do overload, short circuit, voltage loss protection and under normal conditions of infrequent conversion.
10. DW15 series universal type air switch is applicable to the distribution network with AC 50HZ, rated voltage up to 440V, rated working voltage up to 1140V, and 80V to distribute the overload, undervoltage, and short circuit protection of power supply and power supply lines and power supply equipment. use.
11. H series plastic air switch is suitable for rated current 600A and below, AC 50HZ, rated working voltage 690V and below, DC 230V and below for general electrophoresis, air switch with rated current 225A and below, can be used as line and not Frequent switching and infrequent starting of the motor.
12. AC30 series modularized sockets are the supporting electrical components of the modularized terminal combination electrical installation installed in the user, and can also be installed inside the other complete electrical enclosures and plugged in to the electrical equipment.
Now household electricity should be in accordance with the clear circuit, power outlet circuit, air conditioning circuit, separate wiring, when one of the loop (such as the outlet circuit) fails, the other circuit can still supply power. The outlet circuit needs to install a leakage protection device to prevent household electric shock from causing electrical shock.
Air switch installation method
1. The general distribution switch box of the household can choose the bipolar 32-63A small air switch or isolation switch;
2, lighting circuit generally use 10-16A small air switch;
3, socket circuit generally choose 16-20A air switch;
4, air conditioning circuit generally choose 16-25A air switch;
5, using bipolar or 1P + N (phase + neutral) air switch, when the line short circuit or leakage fault, the power should be immediately cut off the phase and neutral line to ensure personal safety and safety of electrical equipment . The installation of the above air switches is for reference only. The actual electrical power of each household is not the same. The electrical design must prevail.
When your air switch is a three-phase switch, you have to figure out if the incoming line is a three-phase circuit. If it is determined to be two-phase, it should be the zero line to the zero line, the ground line to the shell, FireWire easily pick one up on it. Generally, each air conditioner is divided into a separate way, and the kitchen and sanitary outlets are separately divided into one, and the remaining outlets can be divided into one or two roads according to the situation. All the lighting can also be divided into one or two roads. A socket circuit that is expected to use high-power electrical appliances may use a 20 amp air switch, otherwise a 16 amp air switch would suffice.
Air switch wiring method:
The following is an example of how to connect the air switch. If there are three lines from the large electricity meter to the home, red and blue flowers can be used as a master switch (A0) with an air switch with leakage protection, and three ordinary air switches control the lamp in the home (A1). , air conditioning (A2), outlet (A3). Viewed from the front, there are two wiring posts above A0, an N sign on the right, two wiring posts on the right, and an N sign on the right; A1, A2, and A3 are the same, above and below A wiring pile.
The wiring method is as follows:
The three wires coming in from the outside are differentiated in this way: Red FireWire (L), Blue Neutral Line (N), Flower Wire is Ground Wire (E/PE/G/GND), Ground Wire is usually yellow-green. If you want to install indoor circuits, then the wires of your indoor circuit should also use the three colors of the wire; the switch should be installed on the front, the upper end of the line, the lower end of the line. In general, the ground does not enter the switch.
First, take the indoor line
1. The zero line (blue) is marked with the letter N at the bottom, and all indoor zero lines are connected here.
2. Connect the fire line of the lighting line (light) to A1 below.
3, in the bottom of the A2 plug the fire line shunt line.
4. At the bottom of A3, connect the fire line of the air conditioning line.
Second, access to households (outside of the wire)
1. Connect the zero line at the top N (blue)
2, in the top L FireWire (red)
Editor's summary: The above is the air switch model selection, air switch installation method related introduction, hope to help meet the needs of friends! For more information, please continue to follow our website. Follow-up will present more exciting content!
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