MZS type low voltage switch equipment

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Product Description:

Product model: MZS
Product features: cardiac MNS (MZS) type low voltage switch equipment (hereinafter referred to as low voltage switchgear) is our company according to our country's low village, the development trend of complete switchgear in the appliances in the selection of components and improvements on the structure of cabinet put oneself in another's position, and register the product.The product fully meet the original electrical performance and mechanical properties of MNS product technical requirements.
Derive the low-voltage switchgear is suitable for use in ac 50 ~ 60 hz, rated voltage 660 v and below the power system, as power generation, transmission, distribution, power conversion and power consumption equipment control.
Derive the low-voltage switchgear in addition to the general land use, after special processing can also be used for offshore oil drilling platform, and in nuclear power plant.
Product standards: cardiac GB7251 low-voltage complete switch equipment and control equipment.
Cardiac JB/T9661 low-voltage withdrawable switchgear.
Has it - 1 low-voltage complete switch equipment and control equipment.
Environmental conditions of use: cardiac ambient temperature is not higher than + 40 ℃, and the average temperature is not higher than within 24 h + 35 ℃, the lowest temperature is not lower than 5 ℃.
Is left when the relative humidity at the highest temperature is + 40 ℃ not more than 50%, at lower temperature, allowing a higher relative humidity (example: + 20 ℃ at 90%).
Cardiac altitude does not exceed 2000 m.
Has allowed in 25 ℃ ~ + 50 ℃ temperature under the condition of transportation and storage, and allows the temperature does not exceed + 70 ℃ within 24 h.
Derive seismic intensity less than 9 degrees.
Technical parameters: derive vertical busbar rated current: single-side or double-side operating draw-out MCC is 800 a, portable for 1000 a;Tank depth 1000 mm single operation of MCC is 800 ~ 2000 a. 
Cardiac protection class IP54 due to reduced capacity in severe cases, it is not recommended. 
Product structure: cardiac low-voltage switchgear basic frame for the combination of the fabricated structure, the frame of the whole structure through galvanized processing, 8.8 by tapping screw or hexagonal screw strong connected into the basic frame, then the need to change according to the plan, and combined with the corresponding door, sealing plate, diaphragm, mounting bracket and busbar, functional units and other parts, assembled into a complete low voltage switchgear, switchgear components in size, the size of the compartment for modular (modulus E = 25 mm). 
Cardiac draw-out MCC has five kinds of the size of the drawer, they respectively are 8 e/e / 4, 8, no. 2, 8, 16 and 24 e e e.Eight e/e / 4 and 8, no. 2 two kinds of the structure of the drawer is made of flame retardant plastic and aluminum molding (4 8 e / 4 or 2 8 e / 2 form a e the height of the interval).Functional units compartment of the total height is 72 e.

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Q:Is the normally open and normally closed contacts of the same pressure switch able to participate in the control at the same time?
In the same switch, a normally open contact and a normally closed contact form a switching contact,
Q:What is the relationship between the pressure switch of the air conditioner and the blower resistance?
2, the blower resistance to adjust the size of the blower motor output power to achieve the wind speed (motor speed) to change the size of the role.
Q:Air compressor with a start button, a stop button, pressure switch, how wiring?
[Guangzhou Beiyue machinery] professional answer for you: do not know what you say is the air compressor, do not know how to connect, then the best can ask a professional door to help you get, do not own blind, when the reverse The air compressor will burn out, the specific can be private me
Q:Air conditioning pressure switch bad how to check?
Experience Summary: In the maintenance of multi-observation control panel display fault code, you can quickly find the cause of the malfunction. Heating Cream: "Heating" lights flashing Anti-freeze protection: "run" and "cool" Anti-cold wind protection: "Run" flashes Overcurrent protection: "Run" and "29" flashing Low voltage protection: "Run" and "18" flashing Phase sequence protection: "run" and "timed" Communication failure: "run" flash, the rest off Sensor failure: The "temperature" lamp flashes
Q:Bay fire equipment in the wet alarm valve on the signal butterfly valve and pressure switch
New national standard requirements: must pressure switch forced start + fire linkage double insurance
Q:Gas switch is open or off ah
Is open! Handle and pipe vertical 90 degrees is off
Q:What is the role of the air conditioning pressure switch? Is not the air conditioning pressure is too high
The pressure switch is closed according to the air conditioning pressure regulating clutch.
Q:Why is the air conditioning pressure switch called pressure relay
Temperature control switch is mainly to monitor the temperature of the condenser, the temperature is too high to cut off the electromagnetic clutch circuit to prevent damage to its overload.
Q:Automatic sprinkler system in the pressure switch, the control room and the relationship between the three spray shower?
Automatic sprinkler system in the pressure switch, the control room and the relationship between the three spray from the action of the linkage. The pressure switch is always in the normal state. Only in the linkage in the control room and spray pump at the same time in an automatic state, will be linked to the pump. In the fire control center was 24 hours on duty, the linkage in the control room in a manual state. Pump station main pipe installed relief valve, when the pressure exceeds the safety settings, will automatically open valve pressure relief, drainage to the fire pool. So the pipe will not burst over pressure. After the nozzle action, should be directly connected by the pressure switch automatically start the water pump. Pre-action system, rain system and automatic control of the water curtain system, the fire alarm system should be automatically alarmed immediately after the water supply to the distribution pipeline. The control room should be able to show the water flow indicator, pressure switch, signal valve, water pump, fire pool and water tank level, pressure gas pipeline pressure, and power and standby power is in the normal state of the feedback signal, and should be able to control the pump, Valves, electric valves and other operations. In the wet system wet alarm valve on the back of the nozzle action, the system test debugging water or pipeline leakage, etc., through the wet alarm valve part of the flow from the wet alarm valve valve chamber to the delay device; once the delay device filled with water, Hydraulic alarm action, while the pressure switch to send the action signal.
Q:Search the pressure switch which brand is good?
  This 3 pressure switch each have their own advantages, the key is based on the actual needs of customers to determine.     CCS switch is the old brand in the United States, Europe and the United States is the most widely used switching products. Mainly used in aerospace, power plants, hydraulic systems.    This switch is different from other switching features on the market today, the sensor core device is made of special materials with a negative elasticity of the coil-shaped spring,    This sensor is characterized by: high precision, high repeatability, good stability, high reliability and long life,    Single set point (reliability of high power plants are particularly suitable for use) and other advantages, no one can control. Disadvantages are: domestic power plant in the industry,    Other industries know that people are not as good as SOR.

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