STB PDF

Rotating electrical machines Part 30-2: Efficiency classes of variable speed AC motors (IE-code). Original standard PD IEC TS 60034-30-2-2016 in PDF full version. Additional info + preview on request

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Rotating electrical machines - Part 32: Measurement of stator end-winding vibration at form-wound windings. Original standard PD IEC TS 60034-32-2016 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 in PDF full version. Additional info + preview on request

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Explosive atmospheres Part 39: Intrinsically safe systems with electronically controlled spark duration limitation. Original standard PD IEC TS 60079-39-2015 in PDF full version. Additional info + preview on request

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Explosive atmospheres Part 43: Equipment in adverse service conditions. Original standard PD IEC TS 60079-43-2017 in PDF full version. Additional info + preview on request

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Explosive atmospheres Part 47: Equipment protection by 2-wire intrinsically safe Ethernet concept (2-WISE). Original standard PD IEC TS 60079-47-2021 in PDF full version. Additional info + preview on request

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