The company mainly produces HXGN series high voltage ring network cabinet, KYN28 series middle mounted cabinet, YB series prefabricated substation, GGD, GCK, GCL, MNS, GCS, BFC series low voltage cabinet, XM, XL series distribution box power cabinet, various frequency conversion cabinets, control cabinets, XQJ series bridge, bus duct and other power distribution products.
(1) Purpose and characteristics
XL-21 power distribution cabinet is suitable for power and lighting distribution of three-phase three wire system with AC 50HZ and voltage below 500V in industrial and mining enterprises. XL-21 power distribution cabinet is characterized by flexible distribution scheme, convenient combination, strong practicability, novel structure, etc. The front door of the product is opened, and the handle of the fuse knife switch is exposed outside the cabinet
(2) Operating environmental conditions
2.1 The altitude shall not exceed 2000m
2.2 Indoor free from dust, corrosive gas and rain
2.3 Ambient air temperature: the upper limit of ambient air temperature is 40 ℃, and the lower limit is - 25 ℃. The average temperature measured within 24 hours shall not exceed 35 ℃. Under storage and transportation conditions, the temperature shall be between - 25 ℃ and 55 ℃, and shall not exceed 70 ℃ for a short time.
2.4 Relative humidity: no more than 50%
2.5. There is no vibration and jolt, and the installation slope is not more than 5 ℃.
2.6 If users have special requirements, they can negotiate with the manufacturer
⑶ Main technical data
Main technical data of XL-21 (A) power distribution box
|
Serial No |
name |
Company |
numerical value |
|
one |
Rated voltage |
V |
AC380 |
|
two |
Rated voltage of control circuit |
V |
AC220、AC380 |
|
three |
Rated frequency |
Hz |
fifty |
|
four |
Rated insulation voltage |
V |
six hundred and sixty |
|
five |
Rated current |
A |
≤1250 |
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