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Station porcelain post insulators

Station porcelain post insulators consist of porcelain units and cap iron and insulator end fittings used with air break disconnect switch and other switchgear.

Frequently used for line disconnecting, isolating and by passing breakers and transformers, bus sectionalizing, and isolating arrestors, metering equipment, and other apparatus.

The features of Station porcelain post insulators
◆ No overhead clearance problems
◆ Small footprint minimizes mounting structure size, cost
◆ Simple and mechanically reliable
◆ Excellent ice breaking characteristics
◆ Lower cost

If Station porcelain post insulators are required, specify TR number; if insulators are non-standard, specify required parameters, i.e. polymer, extra leakage distance, high strength, resistive glazing and so on.

Station porcelain post insulators can be made by wet process and dry process porcelain, the high voltage post insulators should be used with grading rings.


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