KYN28-12GZSI-12Z Armor type metal enclosed switchgear

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A, product overview and scope of application
KYN28-12 armoured medium type metal enclosed switchgear (hereinafter referred to as the switchgear) is my company in the absorption of advanced manufacturing technology at home and abroad on the basis of the design and development of new products, can replace the old type of metal enclosed switchgear, such as KYN1-10, JYN2-10, the GBC - 10 etc series products.Its product has the following obvious advantages:
1.1 products shell entirely by coated aluminium zinc steel plate after CNC machine tool processing multiple bolts assembled after bending forming, has high mechanical strength, effectively ensure the product's tidy and beautiful, cupboard door adopt plastic spraying coating, with strong impact resistance and corrosion resistance ability.Product is shell IP4X level protection grade. 
1.2 this product is the main switch can be configured ABB VD4 vacuum circuit breaker, C3 series fixed load switch, at the same time also can configure a variety of domestic series vacuum circuit breaker (e.g., VS1, VH1, vitamin k, ZN28), to replace the similar foreign products. 
1.3 whether to choose what kind of circuit breaker, the bare conductor insulation distance air can ensure that more than 125 mm, the composite insulation is greater than 60 mm.The circuit breaker has long life, high parameters, less maintenance, small volume of the unique advantages. 
KYN28-12 armor type of metal-enclosed switchgear is suitable for 3.6 ~ 12 kv three-phase ac 50 hz power grid, as acceptance and distribution of electricity, and the circuit for control, monitoring and protection purposes.Can be used for single busbar, single or double busbar system bus section system.Switchgear meet IEC298 52 kv and below the rated voltage 1 kv ac metal-enclosed switchgear and control equipment ", IEC694 terms of high voltage switch control equipment, our country GB3906 "3-36 kv ac metal-enclosed switchgear and DL404 indoor ac high voltage switch cabinet order conditions, German DIN. VDE0670" rated voltage 1 kv ac switch equipment, such as the standard requirements.And have perfect functions and reliable prevent wrong operation.

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Q:Water pressure switch is not too low pressure on the power is too high to power it?
Water pressure switch is not too low on the power is too high to power is so designed. Use the electrical contact pressure gauge to detect the pipeline water pressure, when the water pressure is less than the set value, the electrical contact conduction; when the water pressure is greater than the set value, the electrical contact is broken. Control the operation and stop of the pump with electric contacts.
Q:Air compressor pressure switch on the edge of the hole leak, can be normal inflatable, but also their own power, that is, has been leak
Bad joints caused by the bar Turn off the power to release the internal compressed air removed after the RBI raw tape installed on it.
Q:Can the home pump add automatic pressure switch?
Pressure switch can not, you can use the water switch, open the faucet when the water flow switch to start the booster pump work, and now the market to buy home pressurized do not have such a configuration of such a water switch, close the switch when the switch off automatically stop the pump.
Q:Is the pressure switch used?
Pressure switch is a commonly used switching instrument, in a number of industries have a certain application. It controls the flow of traffic and block, this switch is very important. The following are the same as the " Reference: Baidu search Ai Chi mall, inside the knowledge base has a very comprehensive industrial learning materials and complete product solutions, but also to meet your procurement Please also please, thank you
Q:What is the principle of automotive air conditioning pressure switch
The pressure is less than a certain value of the compressor does not work ah, so that will not damage the compressor.
Q:How to calculate the allowable error of the pressure switch
Occupational examination questions in the operating questions are: pressure switch to allow the error = ± pressure switch set value × precision level%, of which the accuracy level is generally 1.5
Q:Car air conditioning, dry bottle next to the pressure switch what role
This maintenance method can be used, if the pressure switch is broken, short circuit is no problem. This can save freon, or else switch to have to re-fill.
Q:Where the fire pressure switch is installed
The role of fire pressure switch is when the fire sprinkler pipe pressure is less than the water supply side of the pressure, the pressure switch will automatically move, and the action signal feedback back to the fire alarm system on the host. Control the host to receive the signal to start the fire spray pump to pressurize.
Q:Pressure switch and solenoid valve how to use
Pressure switch is set pressure value, to reach this pressure value, will send a signal, the signal sent to the solenoid valve,
Q:Any one of the pressure switch action to start the same solenoid valve to open the spray pump
"Automatic sprinkler system design specifications" GB 50084-2001 (2005 edition) in Article 11..1 1 provides: "wet system, dry system nozzle action, the pressure switch should be directly linked to automatically start the water pump"

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