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Namibia Double Umbrella Disc Suspension Tempered Glass Insulator

As an important part of the power transmission system, the stability and reliability of its performance are directly related to the safe operation of the power grid.

Product Description

Main technical parameters of double umbrella-disc suspension tempered glass insulator (GB and IEC)

Insulator typeNominal diameter D (mm)Structure height H(mm)Nominal creepage distance L (mm)Connection mark (mm)Rated mechanical damage
Load (kN)
Tensile load test one by one (kN)Power frequency dry withstand voltage (kV)Power frequency wet withstand voltage (kV)Lightning impulse withstand voltage (kV)Impulse overvoltage breakdown withstand voltage (p.u.)Minimum work
Frequency breakdown withstand voltage (kV)
Radio Interference 10kV 1MHz (μV)Visible corona foot/cap (kV)Power frequency arc testSingle piece weight of insulator (kg)
RaiaiTypeDiameter
D
(Mm)
Spacing
H
(Mm)
Creepage Distance
(Mm)
Sizeof Coupling
(Mm)
Mechanical FailingLoad
(kN)
Mechanical RoutineTest
(kN)
PowerFrequency WithstandVoltage (kV)Anodic DC
WetWithstand Voltage
(KV)
LightingImpulse WithstandVoltage (kV)Impulse Withstanc Voltage
(p.u.)
MinPowerFrequency PunctureVoltage (kV)RadioInterference Voltage (10kV,1MHz) (μ V)Corona Test (pin &cap)
(KV)
Power Frequency Electric Arc TestNetWeight PerUnit
(Kg)
UG70B146/450D 16R28014645016703580451202.8130≤5018/220.12s/20kA6.3
UG100B146/450D 16R280146450161005080451202.8130≤5018/220.12s/20kA6.3
UG120B146/450D 16R280146450161206080451202.8130≤5018/220.12s/20kA6.3
UG160B170/450D 20R300170450201608085451302.8130≤5018/220.12s/20kA8.4
UG210B170/450D 20R3001704502021010585451302.8130≤5018/220.12s/20kA9.0
UG300B195/480D 24R3001954502430015085501302.8130≤5018/220.12s/20kA13.0