For power plants, substations, large buildings, modern architecture , buildings, business premises distribution systems as a control use and so on. Suitable for AC 50Hz, rated voltage 500V and below , rated current 600A the following power control and distribution to use. XL-21 series indoor unit , wall installation, repair front screen . Cabinet has good dust characteristics , suitable for chemical and dusty places. XL-21 series power cabinet meets IEC439 " Low-voltage switchgear and control equipment ", GB7251 " Low-voltage switchgear " and other standards .
Feature
XL-21 power cabinet enclosed dust-proof , the product structure and profiles can be welded combination of two types of components. Cabinet made with steel frame , door and side panels are removable rear seal , mounting plate and side beams can be adjusted, installation and maintenance flexible, convenient , compact , common good . Using casting adjustable door hinges, door opening greater than 135 °. Knife fuse combination switch operating handle mounted on the columns at the right front box can be used as the switching power supply with front distribution box equipped with a voltage meter , voltage , power bus in front of the bus indicating cabinet door , the door opened, distribution box Chang Lu inside the device , easy repair and maintenance . Using new electrical components , with a compact , easy maintenance, flexible assembly line program characteristics, in addition to the distribution box after installing the components , you can adjust the overall fitted with mounting brackets . According to different environments to install, versatile , you can use multiple combinations . Combination , according to a branching program using cell type combinations. Modular power cabinet and mounting dimensions and shape as a fixed structure . Air circuit breakers and fuses as short-circuit protection, also has overvoltage, undervoltage , phase function , the front door can be mounted box indicating meter , operating buttons and lights .
