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Determination of power losses in high-voltage direct current (HVDC) converter stations (IEC 22F/821/CDV:2025); German and English version prEN IEC 61803:2025

Electrical relays - Part 2: Reliability

Electrical relays - Part 2-1: Reliability - Procedure for the verification of B10 values

Electromechanical elementary relays - Part 3: Relays with forcibly guided (mechanically linked) contacts

Electrical relays - Part 4: General and safety requirements for reed relays

All-or-nothing electrical relays - Tests and Measurements - Part 7-0: General and Guidance (IEC 94/724/CD:2022); Text in German and English

All-or-nothing electrical relays - Tests and Measurements - Part 7-3: Relay coil properties (IEC 94/633/CD:2021); Text in German and English

All-or-nothing electrical relays - Tests and Measurements - Part 7-4: Dielectric strength test, impulse voltage test (IEC 94/640/CD:2022); Text in German and English

All-or-nothing electrical relays - Tests and Measurements - Part 7-19: Electrical endurance (IEC 94/728/CD:2022); Text in German and English

All-or-nothing electrical relays - Tests and Measurements - Part 7-23: Overload (contact circuit) (IEC 94/730/CD:2022); Text in German and English

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