Suzhou Silverstone Electric Co., Ltd.  

Product Name: Gang Operated Air Break Switches Brand: Silverstone Electric Certification: ISO, ISO9001 Structure of Operating: Electric Series: Three Grounding: Single Ground Number of Poles: Three Pole Movement Mode: Vertical Rotary Type Grounding Mode: Grounding Operation: Electric Installation: Outdoor High-voltage Structure: Three-column Disconnector Type: High-voltage Feature: High Stability Transport Package: Wooden Case Specification: 1200*900*1500 Origin: China HS Code: 3917310000 Product Description Features• Designed and manufactured to meet or exceed the requirements of IEC 62271• Accommodates many customer specific requirements where they differ from IEC• Silicone insulators with minimum of 25mm/kV creepage• Plated HDHC copperwork for longevity of life• Available in 12/15.5 kV, 24 kV and 36 kV voltage ranges• Standard current ratings of up to 1250 A• Short time withstand current of 25 kA rms for 3 seconds with 62.5 kA peak• Standard fault make capacity of 3 kA rms with 7.5 kA peak• Compact and robust construction• Suitable for horizontal and vertical mounting• Suitable for mounting pole top (above the line) or underslung (below the line)Accessories• Low level operating handle, high level hookstick mechanism or Independent Manual Spring (IMS) operating mechanism• 10k A rms 25k A peak fault make capacity when combined with IMS mechanism• Load break devices with breaking capacity of 630 A for on-load use• Can be fitted with motor drive/RTU for remote operation• Earth blades rated at 25 kA 3 sec for fitting to either side• Self-latching shootbolt on hookstick mechanism can be fitted with safety lock flap for lockoff and point of isolation• Mounting steelwork to suit single or double pole construction• Can be fitted with drop out expulsion fuses to form a combination switch fuseMain Technical SpecificationSheet 1No.ItemUnitData1RatedvoltagekV1224362RatedfrequencyHz50/603RatedcurrentA200/400/6304Rated short circuit withstand current(1S)kA205Rated peak withstand current(1S)kA506Rated makingcurrentkA31.5-507Rated insulationlevel(HV)lightningimpulsekV75/85125/145170/195Power frequencywithstand4555/7575/1008Rated short circuit breaking capacity cos.Φ(0.7)Without maintenance ofcontacts------------------------------- for activecircuits20breakingsA63063040030breakings40040030040breakings30030025050breakings25025017075breakings170170160120breakings110110110200breakings656565280breakings505050Sheet2No.ItemUnitData1RatedvoltagekV1224369For ring circuits breakingcapacityA63040025010Rated breaking capacity oftransformerA5011Rated breaking capacity of cablechargingA1112Rated breaking capacity of earthingfaultA56