• GZD Match the dc panel without maintenance System 1
GZD Match the dc panel without maintenance

GZD Match the dc panel without maintenance

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Loading Port:
Shanghai
Payment Terms:
TT OR LC
Min Order Qty:
2 set
Supply Capability:
20 set/month

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Product model: GZD
Product features: has high and low voltage switch cabinet put oneself in another's position of equipment are all made of high quality cold-rolled steel plate compound and into, or use the standard assembly components, can absorb a certain amount of mechanical stress, the electric stress and thermal stress, can also withstand normal use may have been wet, the influence of processing flat with no burrs, welding smooth and beautiful, no welding wear and cracks.
Filled with handcart and drawer structure switch device, the handcart push-pull operation is flexible and drawer, no stuck phenomenon.
Cardiac surface treatment according to user requirements can be plastic spraying, spray, spray paint and other craft, surface treatment before to deal with the rust, decontamination and phosphating process.All equipment of front and side coated layer, no wrinkles, scratch, bubble, pinhole, defects such as color, colour and lustre is uniform. 
Product standards: cardiac GB3906-91-3-35 kv ac metal-enclosed switchgear.
Cardiac GB7251 low-voltage complete switch equipment and control equipment.
Cardiac GB50171-92 low voltage distribution panel
Cardiac GB14048.3-93 low voltage switchgear and control equipment, low voltage switch, isolator, isolation switch and fuse combination electric appliance.
Cardiac GB7947 insulated conductor - 87 and the color of bare conductor marks.
Low voltage fuse to cardiac GB13539-92.
Cardiac GB/T2682-1981 electrical complete sets of equipment of guiding lights and the color of the button.
Cardiac GB4208-93 enclosure protection grade. 
Normal conditions of use: cardiac ambient temperature: cap + 40 ℃, the minimum - 10 ℃;
Cardiac altitude: high pressure does not exceed 1000 m.Low pressure does not exceed 2000 m;
His relative humidity: day average no greater than 95%;
Derive seismic intensity: no more than 8 degrees;
Has no fire and explosion danger, serious foul, chemical corrosion crack vibration and play.

Q: J electric pressure cooker on the pressure switch why on the silicone
The above do not know what the pressure switch is something! The reason to be marked on the above is to prevent the pressure switch which can turn the transfer valve rotation, which led to changes in pressure, play a fixed role,
Q: Pressure protection is good for pressure transmitters or pressure switches.
Boiler steam pressure protection, two colleagues with the best results. If you consider the cost of the problem can add one or two pressure switch.
Q: Principle of low pressure switch
US UE pressure switch for pure mechanical deformation caused by micro-switch action. When the pressure increases, the role of different sensing pressure components (diaphragm, bellows, piston) deformation, will move up, through the railing spring and other mechanical structure, and ultimately start the top of the micro-switch, the electrical signal output. UE pressure switch set from the functional principle is divided into continuous displacement and force balance type.
Q: Have the air compressor changed the pressure switch or the hole leak?
The hole is put the head of the pressure on the release of no gas out, if the gas out for a long time then you can determine the one-way valve is broken. Open the one-way valve inside the valve plate wear or grinding or a change. Welcome to your service
Q: Self-priming pump pressure is small, is not a relationship with the pressure switch
Two factors are likely to pressure drop, the first pressure switch adjustment in place, if not yet be able to achieve the pressure, then it is determined that the self-priming pump out of pressure.
Q: I have two switches, the United States imported, switch 1: 10A @ 120VAC; 6A @ 240VAC, 60HZ res; 10A @ 28VDC. Switch 2: 5A @ 120VAC. Question: 1, switch 1 is not AC and DC load can be connected, and switch 2 can only access the AC load? Second, switch 1 has a res abbreviation, it should be the meaning of resistive load, if the load can accept the load, what is the load capacity requirements? Like fans, pumps and motors are inductive or resistive loads. Third, if the control is a large equipment, to add relay, the two switches how to choose the relay, please give examples of help you choose the relay, give a model. Four, is not the switch 1 can choose to be AC input, but also DC input relay, and switch 2 can only choose the DC input relay Fifth, the switch capacity belongs to the American Standard, and our national standard in the logo on what is different, how to convert.
Third, if the capacity is enough, do not need another relay, if the capacity is not enough, need to pick up the electrical, relay selection no special requirements, as long as the capacity to start large equipment on the line
Q: Car 4-wire air conditioning pressure switch principle, 4 lines were then received there, and the role.
No. 1 -2 normal is through the high and low off on the 3rd - 4 pass control fan high-speed relay Four of the pressure switch After opening the air conditioning switch, there are two electric (4 feet and 2 feet) that are normal. 4 feet and 3 feet for the high voltage switch, 2 feet and 1 feet for the low voltage switch.
Q: Hello! Will the air compressor pressure switch how to tune ah? There are two plugs in the switch screw, one is the plastic screw, one is the iron screw?
High voltage transferred to 0.8 differential pressure is 0.2 is 0.8 stop, 0.6 start! You can also change the number of significant pressure switch is particularly easy to use, that mechanical pressure switch thrown into the trash!
Q: Three lines of air conditioning pressure switch, how to control, what are the three lines, respectively
A line of fire, a zero line, there is a pressure switch line, that is, to say that the pressure set above the line there is electricity. Then the electricity on this line is passed through the relay to the compressor. 1, there are many kinds of car air conditioning lines, models different control methods are different, but as you said the three lines to the compressor should be Toyota cars, its control principle is: air conditioning switch is turned on from the fan switch any gear (The compressor), the pressure sensor (mounted on the high pressure pipe), the compressor lock sensor, also known as the speed sensor (installed on the compressor), the air conditioner amplifier, , The engine speed sensor, etc. as an input signal, (automatic air conditioning also added: ambient temperature sensor, indoor temperature sensor, engine water temperature sensor, sun sensor, etc. as an input signal) to control the compressor electromagnetic clutch relay, cooling fan relay, After the relay delivers power to the compressor and the cooling fan, the air conditioner starts working. 2 when the pressure is too low when there is no one will pass, these are signal lines, to go through the relay after the electrical appliances. 3 vacuum before adding the oil directly into the compressor, the traditional approach is to first vacuum, and then use the table plus tube (yellow) to open the low-pressure valve to the oil into the low-pressure pipeline, this approach is not desirable , Because most of the oil at this time into the evaporation box, when the start air conditioning, the compressor prone to "liquid hit" accident.
Q: What is the difference between a pressure sensor and a pressure switch?
The pressure sensor can continuously change the pressure value into an analog or digital signal to the controller, the function is more perfect, but the price difference is several times. We use some of the water pressure switch dozens of dollars to a hundred dollars, the sensor needs at least six seven hundred one.

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