4 SS Series

Epoxy Bushing Insulator

Epoxy 2 M12x130-E Series
TYPE A B CODE
1 170 8 312008100
2 240 78 312008200
4 SS Series
Technical data
Nominal work voltage3 kV
Maximum working voltage4.5 kV
Nominal current800 A
P-Q creepage distance114 mm
M-N creepage distance80 mm
Air clearance R-S60 mm
Air clearance T-Z48 mm
Operating temperaturefrom -40 °C to +145 °C - 20000 h - IEC 216
Dielectric test at dry conditions14 kV | 60 s | 50 Hz
CTI according to IEC112> 600
Fire - smoke behaviour
According to UL94V0
According to NFF16-101 and 16-102Grid 4
Maximum torque on the copper bar50 Nm
Maximum torque on M5 thread6 Nm
Insulating materialFiber-glass reinforced thermosetting resin
Seal materialPara rubber
Electroconductive materialSilver coated electrolytic copper
Insulator weight type 1840 g
Insulator weight type 21170 g
OUTDOOR SIDE INDOOR SIDE
RATED INSULATION VOLTAGE UNm [kV] OVERVOLTAGE CATEGORY POLLUTION DEGREE RATED INSULATION VOLTAGE UNm [kV] OVERVOLTAGE CATEGORY POLLUTION DEGREE
2,200 OV4 PD4 < 1,600 OV4 PD4
< 3,700 OV4 PD3 < 3,000 OV4 PD3
2,280 OV3 PD4 1,600 OV3 PD4
< 3,700 OV3 PD3 < 3,000 OV3 PD3