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Preview STN EN IEC 62217 1.4.2026
STN EN IEC 62217 (348070)

Polymeric HV insulators for indoor and outdoor use - General definitions, test methods and acceptance criteria

Standard published on 1.4.2026

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Preview STN EN IEC 60034-30-1 1.4.2026
STN EN IEC 60034-30-1 (350000)

Rotating electrical machines - Part 30-1: Efficiency classes of line operated AC motors (IE code)

Standard published on 1.4.2026

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Preview STN EN IEC 61558-1:2019/OpravaAC 1.4.2026
STN EN IEC 61558-1:2019/OpravaAC (351330) Correction

Safety of transformers, reactors, power supply units and combinations thereof - Part 1: General requirements and tests

Correction published on 1.4.2026

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Preview STN EN IEC 61800-5-1:2024/OpravaAC 1.4.2026
STN EN IEC 61800-5-1:2024/OpravaAC (351720) Correction

Adjustable speed electrical power drive systems - Part 5-1: Safety requirements - Electrical, thermal and energy

Correction published on 1.4.2026

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Preview STN EN IEC 63522-1 1.4.2026
STN EN IEC 63522-1 (353410)

Electrical relays - Tests and measurements - Part 1: Visual inspection and check of dimensions

Standard published on 1.4.2026

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ČSN EN IEC 63522-1 (01.04.2026)
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Preview STN EN IEC 63522-10 1.4.2026
STN EN IEC 63522-10 (353410)

Electrical relays - Tests and measurements - Part 10: Heating

Standard published on 1.4.2026

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ČSN EN IEC 63522-10 (01.04.2026)
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Preview STN EN IEC 63522-43 1.4.2026
STN EN IEC 63522-43 (353410)

Electrical relays - Tests and measurements - Part 43: Proof tracking index (PTI)

Standard published on 1.4.2026

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Preview STN EN IEC 61169-64 1.4.2026
STN EN IEC 61169-64 (353811)

Radio-frequency connectors - Part 64: Sectional specification - RF coaxial connectors with 0,8 mm inner diameter of outer conductor - Characteristic impedance 50 (type 0,8)

Standard published on 1.4.2026

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ČSN EN IEC 61169-64 (01.04.2020)
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Preview STN EN IEC 61169-74 1.4.2026
STN EN IEC 61169-74 (353811)

Radio-frequency connectors - Part 74: Sectional specification for HN series RF coaxial connectors with screw coupling - Characteristic impedance 50

Standard published on 1.4.2026

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Preview STN EN IEC 63616 1.4.2026
STN EN IEC 63616 (353817)

Measurement of the conductivity for metal thin films at microwave and millimeter-wave frequencies - Balanced-type circular disk resonator method

Standard published on 1.4.2026

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Latest update: 2026-04-24 (Number of items: 2 274 650)
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