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

The arrangement of the electronics in the cabinet Note: Condensation is dangerous! When the electronics are arranged in a Rittal cabinet, the cold air from the air conditioner must not flow directly to the live device. Cold air must not be allowed to flow directly to a hot exhaust gas stream from a live device such as a frequency converter. Because this will lead to ...

1. The cabinet is generally made of cold-rolled steel plate or alloy to store the computer and related control equipment, which can provide protection for the storage equipment, shield electromagnetic interference, arrange the equipment in an orderly and neat manner, and facilitate the maintenance of the equipment in the future. Cabinets are generally divided into server cabinets, network machines, etc.

Short-circuit fault: There are two-phase short circuits and three-phase short circuits, which are mostly caused by hidden dangers left in the manufacturing process. Grounding fault: one or more cores of the cable break down to the ground, and the insulation resistance is lower than 10kΩ is called low-resistance grounding, and higher than 10kΩ is called high-resistance grounding. Mainly due to cable corrosion, lead ...

The handover ceremony of the customized outdoor cabinet of the integrated pumping station jointly developed by Rittal and Shu Pengshi was held in Rittal (China) Company. Mr. Tian Ming, General Manager of Shupenshi Environmental Technology (Changzhou) Co., Ltd., and Mr. Xue Boliang, Technical Director, attended the handover ceremony with technical engineers. Power...

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 device that trips the switch or sends out a signal. What are the commonly used relays? A: Current Relay, Voltage Relay, Signal ...

1. A01 system message: open the cabinet door Rittal air conditioner Cause: the position of the door opening and closing is incorrect; 2. A02 system message: the temperature in the cabinet is too high: the refrigeration capacity is too low or small; 3. A03 System Message: Filter Monitoring Cause: Dirty Filter Diagnosis ...

1. Meet the needs of a variety of electrical appliances Relatively speaking, in the process of making industrial bus 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 needs 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.

1. Judgment and treatment of sudden tripping fault of high-voltage switchgear during operation 1) Fault phenomenon: The cause of this failure is the protection action. The high-voltage cabinet is equipped with protection against overcurrent, quick cut-off, gas and temperature. 2) Judgment method: judging the cause of the fault can be based on the relay off, remote ...

Rittal wall-mounted air conditioner Blue e+ 1.6-5.8 kW Product model 3185.830 The energy-efficient Blue e+ wall-mounted cooling unit with capacities ranging from 1600 W to 5800 W. Energy savings of 75% on average due to the use of speed control components and heat pipe technology. There are carbon steel and ...

The control cable has the characteristics of moisture-proof, anti-corrosion and anti-damage, and can be laid in tunnels or cable trenches. Power cables are used to transmit and distribute high-power electric energy in the main line of the power system, and the control cable transmits the electric energy directly from the distribution point of the power system to the power supply of various electrical equipment and appliances.

The power of the 10 billion market 　　With the help of continuous favorable policies, China's new energy vehicles have maintained rapid growth this year. According to data from the China Association of Automobile Manufacturers, the production and sales of new energy vehicles reached a new high in October, with a year-on-year increase of 87.6% and 81.7% to 762,000 and 714,000 units, respectively.

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.

The power cable is used to transmit and distribute large-scale electrical energy in the main line of the power system, and the control cable directly transmits the electric energy from the distribution point of the power system to the power connection line of various electrical equipment and appliances. The rated voltage of power cables is generally 0.6/1KV and above, and the control cables are mainly 4 ...

51 What are the factors that affect the degree of harm to the human body caused by electric shock? Answer: Factors such as the magnitude of the current, the duration of the current, the path of the current, the resistance of the human body and the frequency of the current. 52 Types of electric shock? Answer: Direct electric shock, indirect electric contact, inductive ...

1. It occupies a small area. Generally, it is buried in the soil or laid indoors, ditches, tunnels, with a small insulation distance between lines, no towers, less land occupation, and basically no land on the surface. 2. High reliability. It is less affected by climatic conditions and surrounding environment, and the transmission performance is stable and the reliability is high. ...

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...

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. ...

Here are some of the models of Rittal cabinet air conditioners: SK3368220 air conditioner RBT3368220 300 W, 220V SK3368320 air conditioner RBT3368320 500 W, 220V SK3368520 air conditioner RBT3368520 1000W, 220V SK3368620 air conditioning RBT3368620 ...

1. Flashover fault: The industrial control cable is in a good insulation state at low voltage and will not have a fault. However, as long as the voltage value rises to a certain range, or a certain voltage continues to rise after a period of time, then it will instantly break through the insulator and cause flashover fault. 2. Long-term ...