Insulators for Overhead Lines
Pin High-Voltage and Low-Voltage Insulators

Type of insulator	Ultimate Mechanical Strength of insulators, KN, not less	Diametr of glass shed (D), mm	Spacing, mm	Lickage distance, mm	Weight, kg	Voltage withstand, kV, not less
						impulse	frequency 50 Hz, wet	radio interference
Glass
SS 10D	13	160	145	280	1,9	100	40	40
NS 18А	8	75	97	-	0,44	-	-	6

NS 18 А Low-voltage insulator
SS 10 D High-voltage insulator