GGD TYPE Ac low voltage distribution switchgear

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Shanghai
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TT OR LC
Min Order Qty:
2 set
Supply Capability:
10 set/month

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Product Description:

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.

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Q:Wet alarm valve pressure switch does not move what causes
Start a part of the water will first enter the wet alarm valve delay device, the delay is full, the water will enter the hydraulic alarm and pressure switch.
Q:FEST0 pressure switch
Usually the pressure of high action But this is normally open or normally closed contact that is obviously there are specific to see you use the environment process can generally set the Festo I think it is pressure to achieve action pressure you gradually increase Look at the work of the equipment can be generally guaranteed to work the minimum pressure
Q:Spray pipe network action, water flow indicator and pressure switch that the first alarm
At the same time, a small part of the water into the hydraulic alarm and install the pressure switch pipe, hydraulic alarm on-site alarm, the pressure switch in the hydraulic pressure under the top of the alarm, to start the fire pump, to the fire site water supply, roof water tank Not in the water supply.
Q:What is the output signal of the explosion-proof pressure switch? What standard?
When the pressure increases, the role of different sensing pressure components (diaphragm, bellows, piston) produce deformation, will move up, through the railing spring and other mechanical structure, and finally start the top of the micro-switch, the electrical signal output Explosion-proof pressure switch pressure adjustable range: 68.9 mbar to 861.9 bar; Explosion protection and protection class: to meet the 1 area and 2 area explosion-proof requirements, protection class IP66 Is the switch signal output Switch output: Code S: an SPDT, fully sealed switch.                   Code D: Two SPDTs as DPDT, fully sealed switch Such as this 12 series of all 316 stainless steel explosion-proof pressure switch 12SHSN2A 12SHDN7B 12SHSN4F 12SHSN3D 12SHDN5D 12SHSN5F 12SLSN7B
Q:Air compressor pressure switch
1. You are talking about the minimum pressure valve at the top of the oil separation cylinder, when the boot system pressure rises to a certain value will be the minimum pressure valve top open, backward exhaust, so its role is to maintain the system pressure. 2. In addition, the oil separation tube has a tube with a normally open solenoid valve to the intake valve (actually the external atmosphere), the air compressor is loaded, the solenoid valve is turned off, when the oil is released, Drained, unloaded when the general into the 7 to 15 seconds that is deflated, you hear the sound of the solenoid valve deflated.
Q:Booster pump pressure switch wiring diagram pressure to open four lines
Pressure switch four lines, then, in general, is a pair of normally open points and a pair of closed points. Can only pump pump, indicating that the pressure switch is no action, theoretically because the action value is set too high, need to be lowered. In addition, if the pipeline is not closed, then the pressure is not up to, to test its action, to close all the valves. as the picture shows Turn left to turn right Zhan Yan _ Lin Xi | Staff | Posted at 2015-11-11 19:31 Comments 4 0 Pressure switch four lines, then, in general, is a pair of normally open points and a pair of closed points Can only pump pump, indicating that the pressure switch is no action, theoretically because the action value is set too high, need to be lowered. In addition, if the pipeline is not closed, then the pressure is not up to, to test its action, to close all the valves.
Q:What is the general position of the air switch pressure switch?
Automotive air conditioning and refrigeration systems, are generally equipped with pressure switch. Commonly used pressure protection switch with high pressure switch, low pressure switch, high and low voltage combination switch and three pressure switch, its installation location and function are also different. 1. High pressure switch To prevent the system pressure is too high (blocking and temperature caused by too high), control the electromagnetic clutch on and off the condenser fan speed. 2. Low pressure switch To prevent the system pressure is too low (refrigerant leakage serious, evaporator frost), control the electromagnetic clutch on and off the solenoid valve. 3. High and low voltage combination switch High and low voltage combination switch will be high pressure switch and low pressure switch installed in a shell, installed in the high-pressure circuit, high and low voltage combination switch has two sets of contacts, but only a set of posts, can feel the high pressure side of the refrigeration system And low pressure, the implementation of the control of the compressor. 4. Three pressure switches Three pressure switch is generally installed in the liquid storage dryer, feel the pressure of the refrigerant high pressure circuit, the pressure switch value as shown in the table (R134a refrigerant as an example).
Q:In the outlet of the water pipe by a water pressure switch to do water pump protection can you do
I want to know the use of the environment, is the pool or # not the same, looks like the outlet that there is a delay it. Estimated delay that point Kung Fu pump has long been reimbursed
Q:Car air conditioning compressor pull, but the fan does not turn, with the pressure switch has a relationship? why?
Automotive air conditioning compressor pull, but the fan does not turn, with the pressure switch has a relationship. Outdoor fan and compressor in general from the same contactor control of the power supply, so the fan and the compressor is not directly related. Pressure switch in the automatic control everywhere, installed in the automotive air conditioning refrigerant circulation pipeline, the detection of refrigeration system pressure, when the pressure is abnormal to start the corresponding protection circuit to prevent damage to the system. Common pressure switch mainly high voltage switch, low voltage switch, double pressure switch and triple pressure switch and so on. In the use of air conditioning, when the heat sink is blocked, the cooling fan does not turn or refrigerant excess and other abnormal conditions, the system pressure will be too high, if not controlled, too high pressure will damage the system components.
Q:Self-priming pump pressure is small, is not a relationship with the pressure switch
then it is determined that the self-priming pump out of pressure.

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