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XL-21 Low Voltage Switchgear
Picture
XL-21 Low Voltage Switchgear
1. Overload protection
2. Short circuit protection
3. Controlling
4. Used in residential building, non-residential building, energy source industry and infrastructure.
5. According to the type of instantaneous release classified as follows : type B(3-5)ln, type C(5-10)ln, type D(10-20)ln
2. Short circuit protection
3. Controlling
4. Used in residential building, non-residential building, energy source industry and infrastructure.
5. According to the type of instantaneous release classified as follows : type B(3-5)ln, type C(5-10)ln, type D(10-20)ln
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Product Details
The XL-21 low voltage power distribution cabinet is suitable for three-phase four-wire systems with AC voltages up to 500V. It is primarily used for power distribution purposes in power plants, industrial and mining
enterprises, high-rise buildings, and otheroccasions.
The XL-21 low-voltage power distribution cabinet is securely wall-mounted and allows for front-panel maintenance and inspection.
Selection
Operating conditions
1. Environmental Conditions1.Installation Site: Indoor;
2. Altitude: No more than 2000m.
3. Earthquake lntensity: No more than 8 degrees.
4. Ambient Temperature: No more than +40℃ and no less than -15℃ . Averagetemperature is no more than +35℃ within 24 hours.
5. Relative Humidity: the average daily value is no more than 95%, the averagemonthly value is no more than 90%.
6. Installation locations: without fire,explosion danger，serious pollution,chemical corrosion and violent vibration.
Features
1. Harmonious and beautiful color matching.
2. Standardlized design, compact strucIure,strong versatilty
3. The size of the box can be changed according to the demand .
4. The unique characteristic for the logo desilign.
5. Doors can be 18o opened.
6. The eloctric mounting plate can be dismantle separately.
Technical data
| No. | Content | Unit | Value |
| 1 | Rated Operating Voltage | V | 400 |
| 2 | Rated lnsulation Voltage | V | 690 |
| 3 | Raled Frequency | Hz | 50/60 |
| 4 | Rated Current1min | A | ≤630 |
| 5 | Frequency withstand Voltage in 1min cl Aux Control Loop | kV | 1.89 |
| 6 | Rated lmpulse 'Withstand voltage | kV | 8 |
| 7 | Protection Degree | IP | Ip30 |
| 8 | Electrical Clearance | mm | 10 |
| 9 | Creepage Distance | mm | ≥12.5 |
Schematic diagram of structure
*: Sizes are customized as needed
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