If you dream about a new type of circuit breaker without traditional keys and annoying clapping of contacts when turning on and off, then the built-in switch is what you need. The existing euro standard connection without wiring eliminates errors and errors during installation. Manufacturers of built-in devices took care of the comfort of installation. Taking this practice, you can safely make the connection of built-in switches with your own hands.
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What is a recessed switch
Built-in appliances and accessories that provide wireless turn-on and turn-off of household appliances are now incredibly in demand and relevant.
The faultless degree of reliability of the built-in one-key or two-key switch and the versatility of installation allow connecting several light sources of lamps of any category. We will suggest that for the built-in circuit breakers the following types of lamps are permissible:
• standard incandescent lamps, energy-saving and fluorescent lamps
• halogen lamps with voltage of 220 V, working with a transformer for 12 V and 24 V
• LED lamps, ribbons.
The first acquaintance with the embedded device makes it clear that among the obvious advantages of choosing a built-in circuit breaker, let's name some:
• Full thermal and moisture insulation of the enclosure, which creates elementary operational convenience
• distinctive original design and easily customizable functionality
• Long service life.
In addition, the two-key switch built-in is the comfort of connecting equipment in one node. It remains only to choose the right device and make wiring according to the manufacturer's scheme and recommendations of experts. How to choose the right switch?
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The choice of the device and installation of the built-in switch must be justified by the connection diagram and the line parameters.
We will suggest that the sensor modules of the built-in circuit breakers operate in the standby mode in the power supply line of 2.0-5.5 V with an insignificant current of 1.5-3.0 μA. The waiting mode for the touch response of the sensor is 220 ms with an automatic recalibration period of 16 s. Protection of the input from the potential is 5000 V.
Built-in switch, types, device
The principle of operation of built-in sensor switches is built in the same way as touch-sensitive mobile phones. One touch touch switch provides switching on and off of household appliances and lighting.
wiring diagrams and views
Schemes connecting the built-in circuit breaker do not differ from the connection scheme of the traditional device, including tools and consumables, necessary for carrying out self-assembly.
According to the wiring diagram and the control system, the built-in circuit breakers are divided into the following types:
• single-line and two-line
• Entrance
• radio-controlled touch
• inductive proximity switches.
Single-line switches are preferable for mounting on a wall or a plane of furniture; two-line switches with control keys for a sensor and a control panel are designed to control 2-3 load lines in long rooms.
Installation of the built-in switch is carried out in a standard mounting box ø65-70 mm for fastening under the screw with a center distance of 60 mm with a maximum load per line not exceeding 1000 W.
device and construction
Constructively built-in switch consists of elements:
• the front panel in the form of an opaque glass cover
• sensor board (module) with built-in capacitive sensors
• the electronics module
• Shells made of refractory plastic.
The front panel of glass is equipped with a touch zone with a backlight.
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The sensor board is a ready-made module (pad) that can be placed almost under any insulating surface with a thickness of up to 10 mm. Sensitivity of the touch contact regulates the size of the mounting platform and the thickness of the insulating layer between the surface and the contact zone.
The zone of the sensor module must not contain any shielding coatings. The sensor module has miniature dimensions with leads from a flexible single-core copper wire: blue and red. Blue - GND (common) and red VCC = + 2.0 ... + 5.5 V. Therefore, the installation of the device does not cause misunderstanding or complexity.
Installation of the built-in switch, step by step instruction
The installation of the circuit breaker will require the preparation of the installation site for the junction box in the case of single-line or two-line circuits. The switch for 2-3 keys serves several light sources.
The installation of the switch is simple and consists of steps:
• remove the front panel from the purchased device
• installation of wires to the contact group according to the scheme and marking
• installation of the switch to the junction box with subsequent fixation in the place of attachment
• installation of the front panel in place
• power connection and function test
• selection of modes from the control panel (if necessary).
At the end of the installation, the mode of the working signal of radio waves at 433.92 MHz is chosen for the radio-controlled switch.
More useful information about the built-in switches and mounting features is presented in the video.
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