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G.T. Road, Near Telephone Exchange, N. H. 91
Khurja, Uttar Pradesh-203131, India+(91)-5738-246039
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Post Insulators

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We offer 11 KV, 22 KV & 33 KV Post insulators. These post insulators offer maximum efficiency in their operation. They have the added advantage of usefulness in substations to insulate switch gears and transformers. All post insulators are assembeled by jig and fixture to ensure accuracy of overall height, parallelity of end faces and correct alignment of fixing holes.
Specifications:

Drawing No. RR-PS 1102 RR-PS2202 RR-PS 3303
Highest System Voltage KV 12 24 36
Working Voltage KV 11 22 33
Creepage Distance Minimum mm 300 430 860
Cantilever Strength Upright N 5500 9000 4500
Underhand N 3250 6800 3400
Torsional Strength Nm 30 68 70
Compressive Strength N 32000 40000 46000
Tensile Strength N 18000 30000 30600
Power Frequency Withstand Voltage Wet KV 38 55 80
Dry KV 60 70 90
Power Frequency Flashover Voltage Wet KV 55 60 85
Dry KV 70 80 95
Impulse Withstand Voltage KVp 75 125 170
Power Frequency Puncture Voltage KV 1.3 x Actual F/O Voltage 1.3 x Actual F/O Voltage 1.3 x Actual F/O Voltage
Net Weight (approx.) Kg 4.9 7.5 16

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