Pressure resistant circular sight glasses made of thermally toughened borosilicate glass without limitation in the range of low temperature
Edition 2025-05

Pressure resistant oblong sight glasses of borosilicate glass without limitation in the range of low temperature
Edition 1999-05

Building hardware - Hardware for windows and door height windows - Requirements and test methods - Part 5: Devices that restrict the opening of windows and door height windows; German version EN 13126-5:2011+A1:2014
Edition 2015-01

Conservation of Cultural Property - Specifications for temperature and relative humidity to limit climate-induced mechanical damage in organic hygroscopic materials; German version EN 15757:2010
Edition 2010-12

Electromagnetic compatibility (EMC) - Part 3-3: Limits - Limitation of voltage changes, voltage fluctuations and flicker in public low-voltage supply systems, for equipment with rated current ≤ 16 A per phase and not subject to conditional connection (IEC 61000-3-3:2013 + A1:2017 + A2:2021 + A2:2021/COR1:2022); German version EN 61000-3-3:2013 + A1:2019 + A2:2021 + A2:2021/AC:2022
Edition 2023-02

Electromagnetic compatibility (EMC) - Part 3-11: Limits - Limitation of voltage changes, voltage fluctuations and flicker in public low-voltage supply systems - Equipment with rated current ≤ 75 A and subject to conditional connection (IEC 61000-3-11:2017); German version EN IEC 61000-3-11:2019
Edition 2021-03

Explosive atmospheres - Part 39: Intrinsically safe systems with electronically controlled spark duration limitation (IEC TS 60079-39:2015 + COR1:2020); German version CLC IEC/TS 60079-39:2019 + AC:2020
Edition 2021-04