Product Description
Product Description
Product DescriptionPV module terminal box knockout testing machine/Testing equipment/testing apparatus standardAccording to IEC 61730:2-2004 and EN 168 purpose Removable hole covers in the walls of module terminal enclosures (knockouts) shall remain in place under nominal force application and aslo be easily removed for the field application of permanent wiring system components specification 1. 38mm length,diameter 6.4mm flat-heat circular shaft 2.Connection box clamp3.Weights automatic lift and fall device Specimen conditional :With a knock-off orifice’s polymer connection box sample will in the temperature 25ºC being test .With another knock-off orifice’s polymer connection box sample will in the -20±1ºC Placed 5hAfter placed , the connection box should repeat above testing immediatelyTest procedure as following :First , use the shortest Length 38mm,Diameter 6.4mm flat-head circular shaft against knock-off cover apply 44.5N force,continue apply force 1minApply force direction with orifice cove plane vertical , its add maybe cause knock-off orifice cover move place , after 1 h , measurement orifice cover with connection box wall dislocation Second , use a screw knife as chisel , Open the knock-off cover , knockoff after allow the screw knife blade edge along already opened inner wall scratch a circle. In order to clear the edge’s debris Third , For another two knock-off cover repeat the first step and second step If connection box’s knock-off cover can have more diameter trepan , when small diameter knockoff cover is opened , big diameter knock-off cove should not move , qualified determination testing machine image Our Services1.High quality and best after-sell service 2.100% quality inspection before delivery 3.Managment Innovate 4.Strong R & D team 5.Can handle customers's feedback problems and doubt timely 6.Our testing machine have one year Warranty time Packaging & Shipping Customer with us Nameplate
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