Product overview

MNS low-voltage withdrawable switchgear is a new generation of low-voltage switchgear developed according to market demand. Product technical standards comply with IEC439 "low-voltage switchgear and control equipment", GB7251 "low-voltage switchgear" and other standards.

MNS type low-voltage withdrawable switchgear is suitable for power plants, substations, petrochemical, metallurgical steel rolling, light industry and textile and other factories and mining enterprises and residential areas, high-rise buildings and other places, as AC 50~60Hz, rated working voltage AC 660V and below the power system of power distribution equipment conversion, distribution and control purposes.

Use of environmental conditions

◆ 1. The ambient air temperature is not higher than 40 ℃, not lower than -5 ℃, and the average temperature within 24h is not higher than 35 ℃;

◆ 2. Atmospheric conditions: the air is clean, the relative humidity does not exceed 50% at the highest temperature of +40 ℃, and higher relative humidity is allowed at lower temperature, for example, 90% at +20 ℃, but temperature changes should be taken into account, which may accidentally produce frost;

◆ 3. The altitude shall not exceed 2000m;

◆ 4. This device is suitable for transportation and storage at the following temperatures:-25 ℃ to 5.5 ℃. Within a short period of time (no more than 24h) up to 70 ℃, the device should not suffer any unrecoverable damage under these extreme temperatures, and should be able to work normally under the above conditions;

◆ 5, if the above conditions of use can not be met, should be resolved by the user and the manufacturer through consultation;

◆ 6. When the device is used in offshore oil drilling and production platforms and nuclear power plants, a separate technical agreement shall be signed.

Main technical parameters