Rittal cabinets – Q&A on the basics of high and low voltage distribution cabinets

Many customers don't know what products Rittal makes, so today I will simply classify Rittal products. Rittal products are mainly divided into 6 categories below 6 (1) Rittal control cabinet: small cabinet (here can also be subdivided polycarbonate cabinet PK, junction box KL, compact control box EB, ...

1. Power failure: The power supply of the fan fails, such as the power cord is disconnected, the power plug is loose, etc., which will cause the current to fail to transmit normally, resulting in the fan stopping and rotating. 2. The temperature is too low: Some heat dissipation windbreakers have a temperature protection function, when the temperature is too low, the fan will automatically ...

Fault symptom 1: insufficient cooling capacity Cause analysis (1) The room or box is not sealed or the thermal insulation performance is poor (2) The evaporator frost is too thick (3) The efficiency of the compressor deteriorates (4) The expansion valve is too large or too small (5) There are more ...

What are the conditions that must be met for high-voltage appliances? A: A. The insulation is safe and reliable; B. Long-term operation under rated current and certain short-term overload capacity; C. Able to carry the thermal and electrodynamic effects of short-circuit currents without damage; D. Switching electrical appliances can be safe...

41. Can power lines be divided into according to the erection method? A: Overhead power lines and cable lines. 42 What is a protective relay? Answer: It can reflect the failure or abnormal operation of electrical equipment in the power system, and act on the switch to trip or send out a signal ...

1. The cabinet door is 25mm from the ground and 2.5mm thick mounting plate, and there are 20mm wide U-shaped curved edges on both sides, which makes the mounting plate stronger and easy to handle. 2. The three cable introduction cover plates at the bottom of the box can be replaced with each other, which is easy to move, easy to import cables, and easy to open holes into the line. 3 ...

The development of sheet metal cabinet and chassis processing industry is getting bigger and bigger, which is due to the rapid development of society, the popularity of high-tech products, server cabinets, computer main chassis, equipment shells, etc. What are the advantages of sheet metal cabinet enclosures? 1. Cabinet and chassis products provide space for ...

1. The power cords of the two cabinets are connected to the power socket at the rear of the cabinet. 2. The RS232 interface of the two cabinets is connected together with a communication cable. 3. Lock the door of the main cabinet, and turn on the power from the cabinet and the main cabinet in turn. ...

1. The air conditioner shows the H1 fault code - the reason When the outdoor temperature is low and the humidity is high, the heat exchanger of the outdoor unit will be frosted after the air conditioner runs for a period of time, and then the automatic defrosting function will be activated, and the heating operation will be temporarily suspended for 5-10 minutes. Air conditioner heating defrost shows H1 which is normal ...

1. a rack Rack: Installed in a standard cabinet, it is a functional server, so the standard cabinet is also called a "19-inch" rack. Rack is a more professional academic term, and most of the current policy documents mention "rack", and clarify the indicators such as single rack power and average shelf rate ...

What is a busbar? Answer: In the voltage distribution devices at all levels of power plants and substations, the wires connecting engines, transformers and various electrical appliances are called busbars. What is the classification of busbars? Answer: soft bus (mostly used in outdoor power distribution room with high voltage) and hard bus (low ...

1. It can be installed in places where dangerous gases exist, and it is safe to use the control cabinet in some environments with gas or vapor gas. 2. The shell of the control cabinet is generally made of steel plate welding or cast aluminum alloy die-casting, with high-voltage electrostatic spraying, and the whole is made of flameproof type.

Rittal RBT cooling units – the most economical option for you! If a limited budget makes you extremely cost-conscious, then RBT is the choice for your ambition. After large-scale assembly line production, as well as the excellent functions of the cooling unit itself, the RBT has achieved a very high ...

The function of the cabinet is security Packing mission-critical IT equipment into lockable cabinets makes it easier for network administrators to limit the number of people who can flip out the cabinets. The function of the cabinet is heat dissipation Estimate how much heat your device is ...

Why use transformers to measure high voltage and high currents? Answer: (1) Expand the scope of use of the instrument. As long as the transformer with different transformer ratios and converter ratios is used in conjunction with a voltmeter with a full voltage of 100V and an ammeter with a full current of 5A, it will be ...

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.

1. Make sure that all equipment in the electrical control cabinet is well grounded, and use short and thick grounding wires to connect to the common grounding point or grounding busbar. Any control equipment connected to the inverter should be co-grounded with it, and likewise ground with short and thick wires; 2. Flat conductors are used, e.g. ...

1. When the cables cross each other, the high-voltage cable should be below the low-voltage cable. If one of the cables is protected by a pipe or separated by a partition within 1m before and after the intersection, the minimum allowable distance is 0.25m. 2. When the cable is close to or crosses the thermal pipeline, if there are thermal insulation measures, the flat ...

First, set posts and responsibilities. The power department of distribution box equipment should number, register, file, hierarchical management, clear responsibilities, and regularly carry out technical inspection and maintenance of the distribution box.

Server cabinets have requirements in terms of depth, height, and load-bearing capacity. There are three heights of 2.0 meters, 1.8 meters and 1.6 meters; The width is 800mm, 700mm or 600mm; There are three depths: 700mm, 800mm and 900mm. Can be configured: special fixed pallet, special ...