altitude below 2000 meters sliding contact lines

{"cid":"91225788","title":"Net Weight Per Single Rail 555 Kilograms Waterproof Sliding Contact Line Featuring Acceleration 49 M S2 Altitude Below 2000 Meters","imgUrl":"https:\/\/img.chinax.com\/nimg\/ae\/a9\/d2ff97cf2224c1b45e0e72959894-200x200-1.jpg","attrs":{"Price":"Interview","Brand Name":"GHEC","Model Number":"GHHX-B-12","vibration and shock resistance":"10-2000HZ","Environmental Indicators":"Ambient Temperature: -25\u2103-40\u2103, With The Average Temperature Variation Not Exceeding 35\u2103 Within Any 24-hour Period; Relative Humidity Can Reach 100% At An Ambient Temperature Of 25\u2103.","Place Of Origin":"China","RAted Operate Volatge":"AC 380-690V","Withstand current":"4.5KA","Transmission guide rail parameters":"Guide Rail Parameters Compliant With GB\/T 7251.6 - 2015 Low - Voltage Switchgear And Controlgear - Part 2:<< Particular Requirements For Busbar Trunking Systems (busway)>>","Net Weight Per Single Rail":"5.55kg","Corrosion stability":"Acid-resistant, Alkali-resistant, Salt Spray Corrosion-resistant","Configured Quantity of Current Collector (pcs)":"1"}}