Pin Porcelain Insulators (ANSI 56) 1.voltage:23-69kv 2.creepage ... .weight:3.7-13.5kg 4.good use-best price Pin Porcelain Insulators (ANSI 56 series) •summary1) Material:porcelain2) Class ANSI ... : 56-1, 56-2, 56-3, 56-4, 56-53)pin type insualators for high voltage4)safe usage5)various desigins available6 ...