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Precious metal catalytic materials, special electrode materials, water treatment and environmental protection equipment
XL-21 power distribution cabinet
The XL-21 type low voltage power distribution cabinet has the characteristics of compact structure, convenient maintenance and flexible combination of schemes.
The XL-21 type low voltage power distribution cabinet has the characteristics of compact structure, convenient maintenance and flexible combination of schemes. The power distribution cabinet can be equipped with line protection such as air circuit breakers and fuses, as well as contactors and thermal relays. The front door of the box can be equipped with operation buttons and indicator lights. When a knife switch is required, the knife switch operation handle is installed in front of the box for operation and can be used as a switching power supply. The products are used in industrial and mining enterprises, civil buildings, schools and government places, single-phase and three-phase IT systems with AC frequency of 50Hz ~ 60Hz and load current of 630A and voltage of 500V or less, TN-C systems, TT systems (formerly known as three-phase three-wire and three-phase four-wire power systems) for power and lighting distribution.
Products in line with IEC60439-1, GB7251.12 and other latest standards.
Structural features
The product box body is made of thin steel plate bending and welding or assembled by profile welding, with sufficient mechanical strength, electrical performance and safety and reliability. The front door is opened, and the knife switch operating handle is installed on the upper part of the right column in front of the box or the middle part of the front door. The installation mode of electrical components is beam type or plate type; the system scheme is flexible, easy to install, versatile, and easy to maintain and repair. According to the requirements of users, the cabinet can be equipped with glass doors, beautiful. All metal parts are electroplated or electrostatically sprayed, with strong adhesion and strong corrosion resistance. All steel plates and accessories to be sprayed are pickled, phosphated, coated with epoxy powder, and the component mounting plates and brackets are galvanized. All copper bars are tinned. All assembled fasteners are plated. The protection class of the cabinet is IP30.
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