Rittal cabinets – maintenance rules for network cabinets

In recent years, with the accelerated development of China's informatization process and the continuous expansion of its scale, the demand for digital centers, as the carrier of the digital economy, is also increasing day by day. The operation of the digital center needs the support of a stable and energy-saving power system.

What is the material of the busbar? A: Copper busbar, aluminum busbar and steel busbar. What is the significance of busbar coloring? Answer: It can increase the radiation capacity, which is conducive to heat dissipation, and the allowable load current can be increased by 12-15% after coloring. ...

1. It can meet the needs of many electrical appliances, and relatively speaking, in the process of making industrial control cables, the relevant standards of various information in the process of dissemination are fully considered. In this way, it can ensure that the industrial control cable can meet the performance of many electrical appliances in daily work.

1. The Rittal air conditioner does not start when it is turned on, and the A17 is faulty. Check that the power supply voltage is 220V, normal; Detect that the battery voltage of the remote control is 3V, which is normal; Measure the fuse resistance value of the air conditioner compressor with a multimeter as infinity, which is normal. 2. The Rittal air conditioner does not start when it is turned on, and the display is not started.

What are the advantages of microcomputer automatic monitoring? Answer: The device is small in size, high in reliability, has the functions of information storage, memory, calculation and logical judgment, and can collect, process, print and display the data. What is overvoltage? Answer: Put the pair of insulated ...

Wire surface marking - according to the national standard, the wire surface should have the manufacturer name, product model and rated voltage continuous marking. This is conducive to finding the manufacturer in time when problems occur during the use of wires, and consumers must pay attention to this when purchasing wires. At the same time consume ...

What are the types of electric shocks? Answer: Direct electric shock, indirect contact electric shock, induced voltage electric shock, lightning electric shock, electrostatic electric shock. What are the organizational measures to ensure safety when working on electrical equipment? Answer: work ticket system, operation ticket system, inventory site and comprehensive ...

What are the common decompression starting methods of cage asynchronous motors? Answer: (1) Three-phase resistance decompression start. (2) The reactor starts under reduced pressure. (3) Autotransformer decompression start. (4) Star delta decompression start. (5) Extension ...

Product Introduction Product name: Rittal Rittal Product Type: Rittal Non Woven Filter Mats Product Model: 3172.105 Spare filter mats for top-mounted fans, filter fans or thermoelectric coolers to protect control cabinet components from dirt, ash ...

Heating, also known as heating, refers to the supply of heat to a building, insisting on a certain indoor temperature. Ventilation – the process of feeding and removing air into a space by natural or mechanical means. Air conditioning - (referred to as air conditioning) is to meet the requirements of production and life, improve labor ...

1. Conductor It is the main component of the product to play its use function, and it is to transmit electricity or information, that is, to transmit electric current or electromagnetic waves on the conductor. The conductor is the basic and indispensable main component of the product for the transmission of electric current or electromagnetic wave information. 2. Insulation ...

What is a Network Cabinet? The network cabinet is a kind of rectangular cabinet composed of two parts: frame and cover, which can install switches, optical fiber adapters, optical fiber distribution frames and other equipment in a cabinet, with electromagnetic isolation, noise isolation, ventilation and heat dissipation, anti-vibration, anti-corrosion, etc.

Opening faults can also be divided into mechanical faults and electrical faults. Electrical faults mainly include open control loops, coil faults, auxiliary switch faults, etc. 1. Fault phenomenon: when the red light is not on, the electric cannot be opened, which is the fault of the auxiliary switch. When the opening coil burns out, there is smoke, odor, insurance ...

1. Determine the material of the distribution box First of all, from the material selection, the distribution box on the market is divided into plastic and metal two materials, metal material is durable, strong resistance, but it is easy to rust and corrode when encountering water stains; Although plastic is light and cheap, it is not very durable. Therefore the root ...

The Rittal Configurator (RiCS) is a new system configurator for the Rittal system product. It will allow you to quickly select a custom-configured cabinet that meets your application needs. During the configuration process, you can view the configuration in real time through the visual 3D model. After the configuration is complete ...

1. The circuit breaker cannot be closed Causes: 1. The undervoltage coil does not work (the voltage is normal). Solution: Replace the undervoltage coil. 2. Press the closing button, and the closing coil will not work when it is powered up. Solution: Replace the undervoltage coil. 3. Cooperation...

11. What is the definition and classification of secondary circuits? Answer: The secondary circuit is used to monitor the measuring instrument, control the operation signal, all the low-voltage circuits of the relay and automatic devices are called the secondary circuit, and the secondary circuit can be divided into (1) current circuit according to the power supply and use; (2) Electricity ...

1. GGD AC low-voltage distribution cabinet has the characteristics of high breaking capacity, good dynamic and thermal stability, flexible electrical scheme, convenient combination, seriality, strong practicability, novel structure and high protection level. It can be used as a replacement product for low-voltage switchgear. Structural features ...

Power distribution circuits? Answer: From the regional substation to the substation of the electricity unit or the power supply line of the city and township, it is the line used to distribute electric energy. Power lines can be divided into according to the erection method? A: Overhead power lines and cable lines. ...

1. Look at the packaging, the wires of the national standard are often better, neat, and have a sense of quality when you hold them. 2. To open the package and take a look at the wires inside, the wire requirements of the national standard wire 1.5——-6 square are required to be skin thickness (insulation thickness) is 0.7mm, and too thick is non-standard.