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HSP is the world’s leading and oldest manufacturer of resin impregnated paper (RIP) transformer bushings. In its very modern factory near Cologne in Germany HSP manufacture RIP transformer condenser bushings up to 800kV AC and 1200kV DC with the highest required rated currents.


HSP, as part of the Trench Group, has access to all of the old former Bushing Company bushing designs and are able to design and manufacture like-for-like replacements for many of these bushings, which are prevalent in Australia.