Disconnector Switch Free Sample Product Parameters Normal working condition and mounting conditions 1. Ambient temperature: -5掳C~+40掳C 2. Altitude: 鈮?000m; 3. When the ambient air temperature is +40掳C, the relative humidity of the air shall not be higher than 50%; a higher relative humidity is allowed at a lower temperature; for example, for the wettest month, the maximum relative humidity averaged shall be 90% while the lowest temperature averaged in that month +20掳C, and special measures shall be taken for the condensation occasionally produced due to temperature change. Main Technical Data 1. Rated working voltage AC 380V, DC220V 2. Main technical performance and parameters. Market Packing and Shipping FAQ 1. Q: How about the after-sale service? What's the Warranty terms? A: We offer 12 months for every products we sold. If you meet any problems after sales, pis contact us freely, we'll help solving the problems within 24 hours. 2. Q: Are you manufacturer or just dealer? A: We're manufacture, we do produce all products by ourself. Welcome to visit our plant at any time.Disconnector Switch Free Sample website:http://www.dmmccb.com/switch/disconnector-switch/