China Manufacturers Supply Low Voltage Switchgear Electrical Knock Down Cabinet / Distribution Box / Switchgear
Products Description
Houndreds types product as like GCK low-voltage withdrawable switchgear (PC) by the power distribution center tank and motor control center (MCC) of two parts, is suitable for power plant and substation industrial and mining enterprises and other power users as ac 50 hz, maximum voltage to 660 v, the maximum working current - 3150 - a power distribution system, as power distribution, motor control and lighting power distribution equipment such as electric energy conversion distribution control.
Houndreds types product as like GCK low-voltage withdrawable switchgear with high breaking capacity, good thermal stability, advanced structure, reasonable, electrical scheme of practical series, strong commonality, various solutions unit in any combination, a cabinet put oneself in another's position to accommodate the circuit is more, save area, beautiful appearance, high protection grade, safe and reliable, and convenient maintenance.
This product conforms to IEC439 standard, also conforms to gb7251.1-2005 (national standard of low-voltage switchgear assembly) and zbk36001-89 "professional standard of low-voltage draw-out switchgear assembly".
Conditions of use
1.The elevation shall not exceed 2000m;
2.The ambient air temperature is not higher than +40℃, and the average temperature within 24 hours is not higher than +35℃, the ambient air temperature is not lower than -5℃;
3.Atmospheric conditions the air is clean, the relative humidity does not exceed 50% when the temperature is +40℃, and the relatively high relative humidity is allowed when the temperature is relatively low.
For example, at +20℃, it is 90%;
4.No fire, explosion risk, serious pollution, chemical corrosion and violent vibration of the place;
5.The inclination with the vertical plane shall not exceed 5 degrees;
6.This product is suitable for the following temperature transportation and storage: -25℃~55℃, in a short time (no more than 24h) no more than +70℃.
| Rated isolation voltage | To 1000V |
| Rated operational voltage | To 600V |
| Rated frequency | 50 /60 Hz |
| Rated impact withstand voltage | 8 kV |
| Rated voltage of auxiliary circuit | AC380, 220V,DC 220V |
| Over voltage degree | III |
| Pollution degree | 3 |
| Rated current | 4000A |
| Horizontal busbar rated current | 4000A |
| Vertival busbar rated current | 2000, 1000A |
Note: Due to continuous product improvement, the dimensions provided in this sample are for reference only. If necessary, our company can design and produce according to user requirements. Please contact the company in time.
Working Environment
1. Indoor altitude above sea level: Maximum installation altitude: 2000m
2. Ambient air temperature: -5℃~+40℃ and the average temperature should not
exceed +35℃ in 24h
3. Relative humidity should not exceed 50% at max temperature +40℃. Higher
relative humidity is allowed at lower temperature. Ex. 90% at +20℃. But in view of
the temperature change, it is possible that moderate dews will produce casually.
4. No fire, explosion danger, serious pollution, chemical corrosion and severe vibration
5. Installation gradient not exceed 5°
6. This product is suitable for the following temperature transportation storage: -25℃ ~+55℃ 24h, in a short period of time (no more than 24hours) not more than+70℃.
Characteristics
This series of products with high breaking capacity, good dynamic stability, advanced and reasonable structure, electrical program of practical, series, strong versatility, various schemes of unit combination, a cabinet contained many circuits, save the area , beautiful appearance, high level protection, safe and reliable, convenient maintenance etc.
It accords with the standards IEC439 NEMA ICS2-322 as well as the GB7251-87 “Low voltage complete switch device ” national standards and ZBK36001-89 "low voltage withdraw type complete switch device” professional standards"
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