ANSI 56-4 Product Description
Asthenamesuggests,thepintypeinsulatorismountedonapinonthecrossarmonthepole.Thereisagrooveontheupperendoftheinsulator.Theconductorpassesthroughthisgrooveandistiedtotheinsulatorwithannealedwireofthesamematerialastheconductor.PintypeinsulatorsareusUniversal Hardware Parts edfortransmissionanddistributionofelectricpoweratvoltagesupto33kV.Beyondoperatingvoltageof33kV,thepintypeinsulatorsbecometoobulkyandhenceuneconomical.- AdvantagesofPorcelainpintypeInsulator
- Highreliabilitythroughaccumulatedtechnology
- Excellentlong-termperformance
1. original insulator producer
2. superior properties of low and medium temperature resistance;
3. strong aging resistance;
4. nice appearance &long service time.
5. comman glaze and semi-conductor glaze, color brown andGeographic Surveying Instrument gray both available.
6. free sample, professional porcelain insulator supplier.ANSICLASS56-156-256-356-456-5Fig. No.1 / 21 /Tag Gun 2334MainDimension(mm)H146165191241318h50.850.850.850.863.5D191228267305343d34.934.934.934.934.9R11919191919R21414141414LeakageDistance(in)1317212734DryArcingDistance(in)7891114LowFrequencyVoltageDryFlashover95110125140175WetFlashover60708095125Puncture13014Crushing & Culling Machine 5165185225CriticalImpulseFlashoverPositive/kV150175200225270Negative/kV190225265310340RadioInfluencevoltageTestVoltage1522303044Plain8000120001600016Electronic Instrument 00025000RadioFreed100100200200200CantileverStrength(lb)25003000300030003000