XL-21

The power cabinet refers to a combination of electrical control cabinets that provide power for the normal operation of the entire machine, including contactors, frequency converters,high-voltage cabinets, transformers, and so on.

Die funksies daarvan is soos volg:

Supply power to electrical equipment (provide power for the equipment);

Start and stop the operation of electrical equipment (with start and stop buttons);

Detect the operation of the equipment (set signal indicator lights, with ammeters and voltmeters);

Protect electrical equipment (circuit breakers).The power cabinet is the power distribution cabinet,which is specifically used to provide power supply and control for power equipment (generally referring to motors).

The XL-21 series low-voltage power distribution cabinets are widely suitable for industrial and civil buildings, and are used for power distribution and lighting distribution in a three-phase four-wire power system with an alternating current frequency of 50HZ,60HZ and a voltage of 1kV and below.

At the same time,it is suitable for manufacturing various motor staring cabinets, including full-voltage direct starting cabinets, fully digital control soft starting cabinets,autotransformer step-down starting cabinets,star-delta starting cabinets, multi-speed motor starting cabinets, etc.

There are dozens of primary circuit scheme numbers or derived scheme numbers for selection,with a wide range of applications.

This product is an indoor enclosed distribution box.

The box body is bent and welded with thin steel plates, and there is a single left-opening door on the front.Measuring instruments such as voltmeters and ammeters, as well as operating electrical appliances and signal electrical appliances, are installed on the door.

It is a power distribution device with a simple structure, reliable operation and low cost.

Pas standaarde toe

IEC439:《Laespanningskakeltoestel en beheertoerusting》

GB7251:《Laespanningskakelaar》

Tik beskrywing

Normale diens toestand

Die omgewingslugtemperatuur mag nie hoër as +40 ℃ en nie laer as -5 ℃ wees nie, en die gemiddelde temperatuur binne 24 uur mag nie hoër as +35 ℃ wees nie. Wanneer hierdie perke oorskry word, sal die kapasiteit verminder word vir werking volgens die werklike situasie.

Dit is vir binnenshuise gebruik, en die hoogte van die installasie-lokasie mag nie 2000m oorskry nie.

Die relatiewe humiditeit van die omgewingslug mag nie 50% oorskry as die maksimum temperatuur +40℃ is nie. By laer temperature word 'n hoër relatiewe humiditeit toegelaat. Dit is byvoorbeeld 90% by +20°℃. Die invloed van af en toe kondensasie wat deur temperatuurveranderinge veroorsaak word, moet in ag geneem word.

Wanneer die toestel geïnstalleer is, sal die helling vanaf die vertikale vlak nie 5° oorskry nie, en die hele groep kabinetrye moet relatief plat wees. Die toestel moet geïnstalleer word op 'n plek sonder erge vibrasie en impak, en waar die elektriese komponente nie aan oormatige korrosie onderworpe sal wees nie.

Prestasieparameter