1, environmental temperature, ambient air temperature is not more than + 40 ° C, not below _5 ° C.
2, environment humidity, clean air, the highest temperature in + 40 ° C when the relative humidity of not more than 50%,
3, temperature range between 25 ° C to + 55 ° C is suitable for transportation and storage process, in a short period of time (彡 24 h) to + 70 ° C.
4.The elevation is no more than 2000 meters.
5.The surrounding air is not obviously contaminated with dust, smoke, corrosive and, or flammable gas, vapor – type salt fog.
6.Without significant shaking and shock vibration, vertical installation shall not be greater than 5 degrees.
The GGD switch cabinet produced by our company passes the national “3C” compulsory certification test, which conforms to:National standard: GB 7551. 1-2005 “low-voltage switchgear and control equipment” and National standard: GB/T 24275-2009 “low-voltage fixed enclosed switchgear and control equipment” China construction industry standard: CECS 49-1 993 « low-voltage switchgear equipment acceptance procedur