... angle is 50 , disconnect switch is madeof pedestal, post insulator and electric part. For disconnector with earth switch, it also ... opening operation, hand operatingNm20012Mechanical endurance (life)Times300013Bending force, porcelain insulatorN400014Torsion force, porcelain insulatorNm200015Permissible horizontal load, wiring blockN4005001000100016Operating mechanism for main contactCS17 ...