Product:Retail sell only new. There are bulk purchase intention, you can contact us for cooperation.Mode of transport:We support most of the transport logistics.If you have a need, please choose your own.And understand the transport time.Order proceing Time:Most orders will be iued within 1-3 working days.Tax iues:Taxes and charges are not included in the item price or shipping charges.These charges are the buyers' responsibility.Returned goods:If you have some problem with the color, size, quality or other problem,Please contact us at the first time after the product is received.We will deal with.Since your feedback is very important for us, we sincerely invite you to leave positive feedback for us,Thank you very much! Application:Protect electric system and on-loading electrical apparatus from thunder and instantaneous over-voltage. Product: DCSURGEPROTECTIVEDEVICE Code: LY1-40C Number of poles: 2P Electric ratings: 500VDC, 1000VDC In(8/20)us(KA) : 20KA Imax(8/20)us(KA): 40KA Standard: GB 18802.1-2011 Characteristic Curve: B,C,D Working Temperature: -5to +40 Protection Degree: IP20 Electrical life: More than 8000times Mechanical life: More than 2000times Dimension(W)X(H)X(D): 36x90x48 Installation: 35MM DIN RAIL Acceory: Remote signal Installation Altitude: 2000M UP<3.5KV 100% brand new and high qualityPackage Content: 1Pcs x Surge protective device Note :1.The more you order,contact me,the more cheaper price will be.2.A variety of specifications for your choice, please check carefully or ask customer service before placing an order.3.Due to the difference between different monitors, the picture may not reflect the actual color of the item.4.The size is measured by hands, please allow minor error of measurement. please refer to the physical measurement.Thank you!!