STB PDF

Rotating electrical machines - AC adjustable speed rolling mill motors. Original standard PD IEC TS 60034-34-2020 in PDF full version. Additional info + preview on request

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Power transformers Part 19: Rules for the determination of uncertainties in the measurement of the losses on power transformers and reactors. Original standard PD IEC TS 60076-19-2013 in PDF full version. Additional info + preview on request

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Power transformers - Energy efficiency. Original standard PD IEC TS 60076-20-2017 (2018) in PDF full version. Additional info + preview on request

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Power transformers - DC magnetic bias suppression devices. Original standard PD IEC TS 60076-23-2018 in PDF full version. Additional info + preview on request

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Explosive atmospheres Part 32-1: Electrostatic hazards, guidance. Original standard PD IEC TS 60079-32-1-2013 in PDF full version. Additional info + preview on request

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Explosive atmospheres - Requirements for process sealing between flammable process fluids and electrical systems. Original standard PD IEC TS 60079-40-2015 in PDF full version. Additional info + preview on request

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