ZW32-40.5 / 630-25 watchdog circuit breaker on column , With isolation 380kg), long life (ten thousand times), safe and reliable, simple operation, easy maintenance and installation
technical parameter
1 Rated voltage KV: 40.5
2 Rated frequency Hz: 50/60
3 Rated current A: 630/1250/2500
4 Rated short-circuit breaking current KA: 20/25 / 31.5
5 Breaking times of rated short-circuit current: 30
6 Rated peak withstand current KA: 63/80
7 Rated short-circuit making current (peak value) KA: 63/80
8 times of mechanical life: 10000
9 4S short-time withstand current KA: 25 / 31.5
10 power frequency withstand voltage (1min): dry test (interphase, ground / fracture) KV: 80 95/95
11 Lightning impulse withstand voltage (peak) phase to phase, relative / break KV: 185
12 Rated operating cycle: minutes -0.1s-points-3s-points-6s points-60S recovery
13 mechanism control voltage AC / DC220
The mainstream models of ZW32-40.5 / 630-25 watchdog circuit breakers on the column are:
ZW32-40.5 / 630-20, ZW32-40.5 / T630-20, ZW32-40.5F / 630-20, ZW40.5-40.5M / 630-20, ZW32-40.5G / 630-20, ZW32-40.5GG / 630-20
Note that in the case of capacitors, the degradation of electrolytic capacitors is usually judged by the capacitance that is relatively easy to measure. When the electrostatic capacity is lower than 80% of the rated value and the insulation resistance is below 5 MΩ, replacement of the electrolytic capacitor should be considered. According to user requirements, press the power OFF when the power of the whole machine is turned off. 2. The meaning of the terminal symbols of the digital display megohmmeter When the digital display megohmmeter measures the insulation resistance, 2019/7/31 17:04:47 [Electrical Encyclopedia : Daily troubleshooting of ATOS proportional valve]: Reason 1: ①The cone surface of the main valve core is worn or not round,
The products can be divided into manual operation and electric operation, permanent magnet + manual closing mechanism according to the operation mode. The shell is divided into iron skin and stainless steel, and it can also be equipped with a permanent magnet mechanism. Please specify the requirements when selecting the model!
ZW32-40.5 (G) or (F) / TM-630-20 model meaning
Z representative ------ outdoor
W represents ---- vacuum circuit breaker
32 represents ----- design serial number
40.5 representative ----- 40.5KV
G stands for --- with isolation switch (without can be omitted)
F stands for ----- Intelligent circuit breaker (commonly known as watchdog circuit breaker)
In view of the fact that the water loss rate and the degree of waste are almost proportional to the water pressure of the water supply, the pressure reducing valve has the operating conditions and the role of potential, according to statistics, its water saving effect is about 30%. It can be used for long-term idling, dry-running, etc. Current, mechanical engineering is the ability to develop power under the pressure of constant demand in all aspects, while at the same time improving and innovating from the progress of various disciplines and technologies. The accuracy of industrial electronic scales is generally higher, so the cost is relatively higher, which is more rigorous and more rigorous. T (M) representative ---- T bomb operating mechanism M permanent magnet mechanism
630 represents-rated current A (optional 630A / 1250A / 2500)
20 represents ---- breaking current KA (optional 20KA / 25KA / 31.5)
Base crank type: refers to the form where the output shaft is connected to the valve stem through the crank. We should cherish everything when it is installed. The choice of structure: single valve seat should be selected for steam flow control; butterfly valve should be selected for large diameter, large flow and low pressure difference. At this time, the leakage is large: when the medium is high pressure , 1.WZP series armored platinum thermal resistance: Armored thermal resistance is a combination of temperature-sensing elements, leads, insulating materials, and stainless steel sleeves. It has the following advantages: slender body shape, fast thermal response time, resistance Vibration, long service life and other advantages. Make the verticality error of the pump body and pump cover not more than 0.005mm,
Features of Watchdog Circuit Breaker ZW32-40.5 / 630-25
Outdoor epoxy resin sealed pole, built-in current transformer
Spring mechanism, permanent magnet mechanism, permanent magnet + manual closing mechanism
Can be equipped with electric isolation switch, electric double-sided isolation switch
The product is equipped with a current transformer. Each phase can be equipped with four windings, two of which are used for measurement and two for protection. According to customer needs, 100: 5, 200: 5, 400: 5, 800: 5, 1000: 5, 1600: 5 current transformers can be installed. The operating mechanism and connecting rod are installed in the mechanism box. The mechanism box is waterproof. In order to prevent the electrical control elements in the box from getting damp, the mechanism box is equipped with an electric heater.
Vacuum interrupter
According to the different switch types, there are an external shielding type ceramic vacuum arc extinguishing chamber, a middle-sealed cup-shaped longitudinal magnetic field miniaturized vacuum arc extinguishing chamber, and an internal sealing glass bubble arc extinguishing chamber.
â‘ Airtight insulation system (enclosure)
The air-tight insulation system composed of a gas-tight insulating cylinder made of ceramics, glass or microcrystalline glass, a moving end cover plate, a fixed end cover plate, and a stainless steel bellows is a vacuum-tight container. In order to ensure airtightness, in addition to the strict operation process in the sealing type, the material itself is required to have air permeability and a small amount of internal air release.
â‘¡Conductive system
The utility model is composed of a fixed conducting rod, a fixed running arc surface, a fixed contact, a moving contact, a moving running arc surface and a moving conductive rod. There are roughly three types of contact structures: cylindrical contacts, transverse magnetic field contacts with spiral grooves and longitudinal magnetic field contacts. Longitudinal magnetic field technology is currently used. This type of arc extinguishing chamber has strong and stable arc breaking capability.
â‘¢Shielding system
The shield is an indispensable element in the vacuum arc extinguishing chamber, and there are a variety of main shields around the contacts, bellows shields and shields for voltage equalization. The function of the main shielding cover is: a prevents the arc products from splashing to the inner wall of the insulating shell during the arcing process, thereby reducing the insulating strength of the shell. b Improve the uniformity of the electric field distribution inside the arc extinguishing chamber, help to reduce the local field strength, and promote the miniaturization of the vacuum arc extinguishing chamber. c Condensing arc products, absorbing part of the arc energy, helps to restore the strength of the gap medium after the arc.
2. The sensor structure of the electromagnetic flowmeter is simple, there are no moving parts in the measuring tube, and there are no throttling parts that hinder the flow of fluid. Continue to use it until you try to eliminate it. , Repair of the wear of the shaft bushing hole and the driven shaft hole: After the shaft bushing hole wears out, the wear marks can be reamed, and then the bushing increased to the corresponding size is used. For the two oil seals installed "back-to-back" for Vickers VICKERS gear pumps, the transposition method can also be used. Its performance directly affects the quality of the product, so the control valve must be regularly and regularly inspected.
.ZW32-40.5 / 630-25 Installation requirements
(1) All parts and components before installation must be inspected and qualified.
(2) The station tools and tools used for installation must be clean and meet the assembly requirements. When tightening the fasteners, you should use open wrenches or torx wrenches and socket wrenches. Tighten the screws near the arc-extinguishing chamber. Do not use adjustable wrenches.
(3) The installation sequence should comply with the installation process regulations, and the specifications of the fasteners installed on each component must be adopted in accordance with the design requirements. In particular, the length of the bolt fixed on the static contact end of the arc extinguishing chamber must not be mistaken.
(4) The distance between the poles after assembly, the position distance of the upper and lower outlets should meet the requirements of the drawing size.
(5) After assembling the rotating and sliding parts, they should be able to move freely, and apply grease to the friction points.
(6) After the adjustment test is passed, it should be cleaned and wiped. The adjustable connection parts of each part should be marked with red paint, and the end of the wire should be coated with Fan Shanglin and protected with clean paper.
It is simple, accurate, reliable and practical. The power supply voltage should be rated voltage and voltage dynamic range: AC 10% ~ -15%, DC 10% ~ -10%, usually the coil assembly should not be disassembled. The bubbles caused by these bubbles will not instantly break down the insulating medium, but in a long-term discharge, it will subtly make the entire insulating medium a path. Double-meter, double-head pumping is the cutting-edge manufacturer of high-performance and high-precision mechanical properties, analog and displacement sensors in the world. MTS displacement sensors are mainly used in scientific research, products, quality ... Magnetostrictive displacement sensors are mainly on the market,
Ordering instructions for column watchdog circuit breaker ZW32-40.5 / 630-25
Due to the large size and heavy weight of electrical products, we prefer to use logistics delivery. Please refer to the price of the consignment department for the freight rate. The price varies in different regions. Small quantities or urgent products can be delivered by express delivery. Delivery time is (except under normal circumstances, except holidays or unexpected delays);
Delivery to Jiangsu, Zhejiang and Shanghai three districts is normally about 1-2 working days;
Delivery in other cities is normally about 3-7 working days;
As the logistics delivery is not delivered, the arrival station will notify you, please arrange your time and pick up your goods in time to avoid unnecessary losses.
The coil of the electric energy meter is supplied with a voltage of 100V. Set the time required for the test as follows: HMS is H hours, M minutes, and S seconds in sequence; the '+,-' on the dial, so the hook scale must be a problem of power voltage when it jumps. Change the power output or other required information output according to a certain rule to see if the battery power is enough. ,
Watchdog circuit breaker ZW32-40.5 / 630-25 on the column-Shaanxi Taikai High Voltage Switch Manufacturing Co., Ltd.
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