VHH15 series fuse type disconnector is especially suitable for installation in higher drawer type low voltage complete set device.
This product conforms to IEC 60947-3 GB14048.3 standard.
Normal working conditions and installation conditions
. The ambient air temperature is not higher than + 40℃ and not lower than 5℃.
. The altitude of the installation site shall not exceed 2000m.
. Humidity: when the maximum temperature is + 40℃, the relative humidity of air is not more than 50%. Higher relative humidity can be allowed at lower temperature, such as 90% at 20℃. Special measures should be taken for occasional condensation due to temperature change.
. The pollution level of the surrounding environment is grade 3.
. The switch shall be installed in the place without obvious shaking, impact vibration and rain and snow invasion. Meanwhile, the installation site shall be free of explosion hazardous medium, and there shall be no gas and dust in the medium which is enough to corrode metal and damage insulation.