NBN EN IEC/IEEE 60076-57-1202:2025 PUBLISHED

Power transformers - Part 57-1202: Liquid immersed phase-shifting transformers

Gepubliceerd op 20 april 2025

NBN EN IEC 63522-6:2025 PUBLISHED

Electrical relays - Tests and measurements - Part 6: Contact-circuit resistance or voltage drop

Gepubliceerd op 20 april 2025

NBN EN IEC 63522-35:2025 PUBLISHED

Electrical relays - Tests and measurements - Part 35: Resistance to cleaning solvents

Gepubliceerd op 20 april 2025

NBN EN IEC 63522-39:2025 PUBLISHED

Electrical relays - Tests and measurements - Part 39: Insertion and withdrawal force

Gepubliceerd op 20 april 2025

NBN EN IEC 63522-36:2025 PUBLISHED

Electrical relays - Tests and measurements - Part 36: Fire hazard

Gepubliceerd op 20 april 2025

NBN EN IEC 63522-25:2025 PUBLISHED

Electrical relays - Tests and measurements - Part 25: Magnetic interference

Gepubliceerd op 20 april 2025

NBN EN IEC 60255-26:2025 PUBLISHED

Measuring relays and protection equipment - Part 26: Electromagnetic compatibility requirements

Gepubliceerd op 20 april 2025

NBN EN IEC 62933-4-2:2025 PUBLISHED

Electric energy storage (EES) systems - Part 4-2: Guidance on environmental issues - Assessment of the environmental impact of battery failure in an electrochemical based storage system

Gepubliceerd op 20 april 2025

NBN EN IEC 61109:2025 PUBLISHED

Insulators for overhead lines - Composite suspension and tension insulators for a.c. systems with a nominal voltage greater than 1 000 V - Definitions, test methods and acceptance criteria

Gepubliceerd op 20 april 2025

NBN EN IEC 60255-27:2025 PUBLISHED

Measuring relays and protection equipment - Part 27: Product safety requirements

Gepubliceerd op 20 april 2025