... constant current output . Power supply with over-current, over-voltage, lightning, high temperature protection, a fully guaranteed product life and stability9 ...
... -S power supply system and so on, power of lightning or over-voltage surge protection .2.Conform stands and ... to the following standers: GA173 Computer Information System Security lightning IEC61643-1.1 SPD low-voltage distribution network performance requirements ... Supervision, Inspection and Testing Center and the Beijing Center for Lightning Detection Device Testing, made by the Ministry of Public ...
... high voltage lighting protection device, all with positive doubt negative lightning protection function.*Wide range DC voltage input; DC high voltage ...
1.OS update automatically by our cable (for optional) 2.fast and stable data transmission 3.OEM Lightning to USB for iPhone5 cable 1.accessories for iPhone5 cables2. cable for iphone 5 USB cable 8 pin 3.OS update automatically by our cable (for optional) 4.fast and stable data transmission 5.OEM 4, can order packing (optional) for iphone5 Hot Sell iPhone5 USB Cable
... made by German HELM Company, supported with HELM patent lightning device. It is suitable for hydrographic and water conservancy ... Response time≤2msSafe explosion - proofEx ia II CT5Lightness degreeClass III lightning design (10000V / 5000kA); ( Optional 20000V / 10000A) under ... of power supplying in the field.3.Designed with lightning device and intrinsically safe explosion proof capacity and may ...
... -duty crush-proof ring. around the screw shell and external grounding ring.High-impact housing.Versatile, lightweight, portable.Weather resistant construction ...
... ; 7, three-phase independent control of voltage, non-interfering, anti-lightning. 8, is widely used in communication base stations, telecommunications / broadcasting ...
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