The distribution cabinet (box) is composed of distribution cabinet (box), lighting distribution cabinet (box) and metering cabinet (box), which is the equipment of the distribution system. Distribution cabinet is the general name of motor control center. The power distribution cabinet is used for occasions with relatively scattered loads and few lines; The motor control center is suitable for occasions with concentrated loads and multiple circuits. They distribute the electric energy of a certain circuit of the upper power distribution equipment to the nearby loads. This level of equipment shall provide protection, monitoring and control for the load. Qingdao Hengfengyou Electric is a manufacturer specializing in the production of distribution cabinets. It will show you the difference between distribution cabinets and power cabinets, switch cabinets and distribution boxes
1、 Difference between power cabinet and power distribution cabinet:
1. Different volume: the power cabinet has large volume, many internal components and relatively complex operation; The power distribution cabinet is relatively large, but there are many large switches inside, so it is convenient to control and can control a workshop.
2. Different functions: the distribution cabinet is used in places with scattered loads or few lines, while the power cabinet is mainly used in places with concentrated loads and many lines. The power supply can be provided during normal operation of the whole machine, including high-voltage cabinet and transformer.
2、 Difference between switch cabinet and distribution cabinet:
1. Different functions. The switchgear is a complete set of switchgear and control equipment. As the power center and main power distribution device, it mainly plays the role of opening and closing switch. The distribution cabinet is used to distribute electric energy and protect the overload, short circuit and leakage of wires.
2. The switch cabinet is large due to different external dimensions. The general height is 1800mm, 2000mm and 2200mm. The distribution cabinet is small in size. Generally speaking, it is only in the palm of the hand. It can be hidden on the wall or standing on the ground.
3. For all differences in installation location, the switchgear is usually set in the substation, distribution room, etc. The distribution cabinet can be installed in different places, such as schools, institutions, hospitals, factories, workshops, families, etc
4. Due to the different line materials, the main line of the switch cabinet is usually made of copper bars, while the distribution box.
5. There are many wires in it. Components are different. Most of the low-voltage cabinets are molded case circuit breakers, frame circuit breakers, and capacitor cabinets. The contents in the distribution box are more complicated. It is common to see a series of micro cracks under the larger switch belt.
3、 Difference between distribution box and distribution cabinet:
1. Different concepts: the distribution box is a small distribution box and also a first-class distribution equipment in the power supply system. Mainly including power switch and safety equipment. Its structure is relatively simple, and it is often used for power distribution of various terminals. Because of its small size, the distribution box cannot provide a larger capacitance. One distribution box in the same industry is responsible for 4-8 small load power supply equipment. The distribution cabinet is the power supply equipment on the upper layer of the distribution box. It is much larger than the distribution box. It can also be installed on larger electrical equipment. It is a power supply device with medium capacity load. Usually, there are multiple distribution boxes and motors in the distribution cabinet, which can provide large power loads.
2. Different functions: the main function of the distribution box is to control the electrical equipment and distribute the electrical energy to the electrical terminals of small loads, also known as the distribution box. It is commonly used in schools, institutions, hospitals, factories, workshops, homes and other places. The distribution cabinet is mainly used for occasions with scattered load and few circuits. It is the motor control center.
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