The GGD type AC low-voltage switchgear is in compliance with the requirements ofstandards such as GB7251, JB/T5877, IEC439, etc., and is suitable for power systemswith a rated voltage of 380~660V and an alternating current of 50~60Hz, for thepurpose ofaccepting and distributing electrical energy, and for controlling, protecting, and detecting circuits. This product is designed for indoor use.Usage environment1.Lower than 2,000 meters in elevation.2.Environmental Temperature: not higher than +40°C, not lower than -5°C, with amean temperature not higher than +35°C within 24 hours.3.Relative Humidity: not more than 50% at the maximum temperature of +40°C,and comparatively higher relative humidity is allowed at lower temperatures.4.The inclination to the vertical plane during the device installation shall not exceed5°.5.The device shall be installed in a place free from severe vibration and impact, andin a location where the electrical components are not subject to corrosion.6.Special requirements from the user can be negotiated and resolved with ourcompany.