Xl-21 type low voltage power distribution control cabinet

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Xl-21 type low voltage power distribution control cabinet 1.Environmental Conditions Type Xl-21 low tension power distribution box is widely used in the power plant and the industry & mining enterprises, used to distribute power in the three-phase three wire system on condition the alternating voltage 500v or below. The distribution box should be settled on the indoor installation wall, and should be examine and repair before setup 2. Character and Usage Type XL-21 low-pressure power distribution box belongs to the enclosed type, the casing is made by bended steel plate. The knifeswitch operating handle was settled at the front of the box on the right role, can be used to switch the power source. There is also a voltmeter on the distribution box to show the voltage of the Bus rod. It also has door on the box, whenever it is opened, all the equipments inside will be seen, it is quite convenient for examine and repair. The distribution box used the national new designed subassemblies, has lots of characters: crampedconstruction, convenient to examine and repair, circuit combination flexible and so on. Except the air-break disconnector and fuse protector to protect the box, there is also contactor and thermorelay, operation button and pilot lamp can also be installed on the front board. 3. technique parameter This series product includes five electric current grades: 100A, 800A,630A,400A,200A, can be design different schemes according to customer’s requirements. Description and characters of the products (profile description about the structure): Included the main constituent components, operating method, install method, connect method, etc. Main constituent components include: nameplate, cabinet body, generatrix, short circuiter, knifeswitch, change-over switch, electric apparatus, earth terminal and so on. Operating method: manual operation/automate operation Install method: fixed type Connect method: fixed connect Type No. and Name of the products: XL low tension switch series Equipments Main construction data: exterior size: height*width*depth 1800(1700.1600)*800(700,600)*500 (400)mm Vertical bus type: TMY/T2 Character of the structure: the framework of the equipment is used welding structural style, has frame type and box type. It is quite convenient to put the lines in or out. The series can be used together or alone. the install is quite convenient, and can be open mounted or flush mounted. Antisepsis methods: all the metal components are galvanized or electrostatic coated by epoxy powder, have quite high antiseptic power. Main Technical Parameter: Rated working voltage: AC 380V Rated insulation voltage: 500V Type of overvoltage: I II III IV Type of materials: II Grade of pollution: III Electric clearance: ≥100mm Creepage Distance≥12mm Rated short time endure current and rated peak endure current: 30KA 63KA distribution bus(Vertical bus ) rated current, rated short time endure current and rated peak endure current: the breaking capacity of the switch: 30KA Grade of Protection of the casing: IP30 Electric-shock safeguard type: I II III The limit heating-up of the connection parts of the bus: 70K The limit heating-up of the inside of the cabinet: 30K

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Tianjin Shengshizhuoda Electric Co., Ltd.

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