What are the differences between the low -voltage power distribution cabinet and the low -voltage switch cabinet?
2022-12-09
First,define the difference:
The rated voltage of the low -voltage power distribution cabinet is 50Hz, and the power distribution system with a rated current 380V is used to switch the electromagnetic energy transformation and manipulation of the electromagnetic energy of the power supply, lighting lamp and power distribution equipment. This device has the characteristics of strong disconnection ability, good thermal heating resistance, electrical equipment planning solution, convenient composition, series of products, easy use, and novel construction.
Essence Low-voltage power distribution cabinets are applicable to power stations, crude oil, chemical plants, metallurgy, textiles, multi-story buildings and other fields to transform power transmission and distribution equipment and electromagnetic energy. The goods are in the GB7251.1-2013 low-voltage set equipment switch Cabinet (IDTiec60439-11999) specifications. The low -voltage switch cabinet belongs to the product in the 3C verification for compulsory verification of the product.
Second, spare parts difference:
The composition of the low -voltage power distribution cabinet includes: the distribution box mainly includes: wiring terminal row, various gate switches switches, maintenance of machinery and equipment (air leakage switch, circuit breaker, etc.), measurement equipment (current meter, current meter, weekly meter meter meter, meter meter meter, Wait), measuring equipment (effective power, non -effective power table). There are many types of low -voltage power distribution cabinets, and the components are very different. Taking power cabinets as an example: from top to bottom: CNC blade power switch, voltage transformer, air leakage switch, and support switch of various road leakage. If the electric load is manipulated immediately, there is an AC contactor, thermal relay, and a branch voltage transformer under the support switch of the supporting power leakage protection switch. Naturally, there are also current meters, current meters, working voltage switch and display lights. The composition of the low -voltage switching cabinet includes: a low -voltage power distribution cabinet is one of the switching cabinets. The components in the switching cabinet mainly include isolation, high -voltage isolation, high -voltage load switch, actual operating tissue, voltage transformer, and various protection equipment caps. There are many classification methods for low -voltage switch cabinets. For example, according to the isolated switch installation, it can be divided into a movement switch cabinet and a fixed switch cabinet; or according to the different structure of the box, it can be divided into switch cabinet, metal material closed switch cabinet, and metal material armor cable switch cabinet; The voltage is different. It can be divided into pneeling switching cabinets and low -voltage switch cabinets. The key is suitable for power stations, chemical plants, metallurgy factories, metallurgy, housing, textile industry, light industry, metallurgy, textile industry, housing and other places.
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