XL-21 Low-voltage Power Distribution Cabinet
The XL-21 Low-voltage Power Distribution Cabinet adopts a new self-designed assembly in China. The housing is bent with steel plate, which has compact structure and is convenient for repair. The line scheme can be flexibly combined; the Power Distribution Cabinet can be installed with the air circuit breaker and fuse for broken circuit protection, and can be installed with the contactors and thermal relays. The front door of the cabinet can be installed with the operation button and indicator lamp, and equipped with the knife switch. The knife switch operating handle is installed at the upper part of the front right column of the box, which can be used for switching power supply. There is a door at the front of the distribution box. After the door is opened, all equipment in the distribution box are disclosed, so as to facilitate maintenance.
The XL-21 Low-voltage Power Distribution Cabinet is used for IT system, TN-C system and TT system with 50Hz~60Hz AC frequency, load current below 630A single-phase and triple-phase, voltage below 500V (three-phase three-wire, three-phase four-wire power system) of the industrial and mining enterprises, civil buildings, schools and organizations for power and lighting distributions.
Item Unit Data Rated Voltage V 380/220 Rated Insulation Voltage V 660 Rated Current A 600, 500, 400, 350, 315, 250, 225, 200, 180, 160, 140, 125, 100 Rated Short-time Withstand Current KA 15 Withstand Strength of the Rated Peak Value of the Main Bus KA 15 Short-circuit Strength Breaking Capacity
KA 15 Rated Frequency Hz 50 Protection Level IP30 Name Unit Data Height mm 1600, 1800 Width mm 600, 700, 800, 1000 Depth mm 350, 400 The XL-21 Low-voltage Power Distribution Cabinet is an indoor device, and is made by bending and welding of the steel plates. This product uses a one-leaf left-hand door, the knife switch operating handle is installed at the upper of the front right pile of the cabinet, and the door is installed with the measuring instrument, and operational and signal appliances. After the door is opened, all appliances will be disclosed, so as to facilitate overhaul and maintenance.
Cable is adopted for the incoming and outgoing lines. If the user has special requirements, the incoming line knockout hole can be opened on the roof or the bus chamber can be installed. The L-type Power Distribution Cabinet is the sealed and dust-proof type. The housing is bent with the steel plate. The knife fuse combination switch operating handle is installed at the upper part of the front right column of the cabinet, which can be used for switching power supply. A voltmeter is installed in front of the distribution box, indicating the bus voltage of the collecting bar. There is a door at the front of the distribution box. After the door is opened, equipment in the distribution box will be disclosed, so as to facilitate maintenance.
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©1996-2023 晉ICP備07500050號 Huaxin Copyright
