Post Insulators

Porcelain Post cylindrical Insulators, operating at 30/36 kV Voltage. Capable for outdoor installation.

The Insulators are manufactured according to the Technical Description TD – 82 and IEC – 60273, IEC – 60168.

Description

The Insulators are used for bus support at the 30kV voltage level at the 400/150/30 kV air insulated ehv substations. They are manufactured by high quality porcelain and are brown colored.

All the metal components (bolts, nuts, and washers) are made of hot dip galvanized steel. The Insulators consist of 8 MI6 bolts that are used on the top and bottom fitting.

All the necessary metal components are included in the supply of the Insulators.

Operating Conditions

Ambient Temperature		-25⁰C to +45⁰C
Max. Altitude		1.000 m
Relative Humidity		≤95 %
Pollution Level		Moderate to Heavy
Wind Speed		150 km/h
Durability to Environmental Conditions		Snow, Ice and Fogg

Properties

	C8 – 150	C8 - 250
Power Frequency Withstand Voltage, Wet	50 kV	95 kV rms
Lightning Impulse Voltage Withstand	150 kV	250 kV peak
Insulator Height	355 mm ± 1 mm	560mm ± 1 mm
Creepage Distance	660 mm	1.200 mm
Failing Load, Bending	8.000 N	8.000 Ν
Failing Load, Torsion	1.500 N	2.500 Ν
Failing Load, Εφελκυσμού		40 kN
Failing Load, Συμπίεσης		66 kN
Max. Nominal Diameter of the Insulating Part	195 mm	215 mm
Bottom Metal Fitting Pitch Circle Diameter	76 mm	127 mm
Τop Metal Fitting Pitch Circle Diameter	76 mm	127 mm
Net Weight	8,9 kg	24 kg

Ask for Offer

OFFICE

13 Str Nikitara, Chalandri P.C. 15123
+30 210 6824538
+30 210 6824661
+30 210 6826256

PLANT

1st Industrial Area of Volos, P.C. 38500
+30 24210 95102
+30 24210 95124
+30 24210 95403

CUSTOMER SERVICE

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ΓΕΜΗ 050676344000

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