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Porcelain Insulators

Medium Voltage Porcelain Insulators (20/24 kV), capable of outdoor installation.

They are manufactured by the certified with ISO 9001:2015 Liling Royal Insulators and Power Products Co., Ltd in collaboration with Stalco S.A, with reinforced (2075) and heavy (2076) insulation according to ANSI C 29.9:1998.

Mechanical Characteristics

Type

 

2075

2076

Insulation

 

Reinforced

Heavy

Creepage Distance

 

Min. 530 mm

Min. 610 mm

Cantilever Strength

 

2.3 kN

Tensile Strength

 

12.6 kN

Torsional Strength

 

230 Nm

280 Nm

Compression Strength

 

12.6 kN

Tensile Proof Load

 

15.1 kN

Weight

 

4.5 kgr

4.9 kgr
Electrical Characteristics

Rated Voltage

24 kV

Critical Flashover Impulse Voltage, positive (peak value)

170 kV

Low Frequency Flashover Voltage, wet (rms)

70 kV

Impulse Withstand Voltage (peak value)

145 kV

Low Frequency Puncture Voltage (rms)

200 kV

Radio Interference Voltage Max. RIV at 1 MHz

50 μV

The normal (2075) and heavy (2076) Porcelain Insulators comply to the same electrical properties.

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