Curious about the latest standards added to our catalogue? On this page you can find out which NBN standards were approved in the past 3 months.
Power transformers - Part 57-1202: Liquid immersed phase-shifting transformers
Published on 20 April 2025
Electrical relays - Tests and measurements - Part 6: Contact-circuit resistance or voltage drop
Electrical relays - Tests and measurements - Part 35: Resistance to cleaning solvents
Electrical relays - Tests and measurements - Part 39: Insertion and withdrawal force
Electrical relays - Tests and measurements - Part 36: Fire hazard
Electrical relays - Tests and measurements - Part 25: Magnetic interference
Measuring relays and protection equipment - Part 26: Electromagnetic compatibility requirements
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
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
Measuring relays and protection equipment - Part 27: Product safety requirements
