Residual current operated circuit-breakers with integral overcurrent protection for household and similar uses (RCBOs) - Part 1: General rules
Edition 2016-04

Circuit breakers for equipment (CBE)
Edition 2019-09-30

A.C. high-voltage switchgear and controlgear. Overhead switch-disconnectors
Edition 1990-01-01

Aerospace series. Bases for 10 A electromagnetic plug-in relays, two and four poles double thrown. Technical specification
Edition 2014-12-31

Aerospace series - Bases for 10 A electromagnetic plug-in relays, two and four poles double thrown - Part 001: Technical specification
Edition 2015-03

Fibre optic interconnecting devices and passive components - Basic test and measurement procedures. Part 3-13: Examination and measurements - Control stability of a fibre optic switch
Edition 1997-08

Aerospace series - Bases for 10 A eletromagnetic plug-in relays, two anf four poles double thrown - Part 001: technical specification
Edition 2015-04-11

Aerospace series; circuit breakers; technical specification
Edition 1990-11-01

Tap-changers - Part 1: Performance requirements and test methods
Edition 2014-08

High-voltage alternating current circuit-breakers - Guide for seismic qualification of high-voltage alternating current circuit-breakers
Edition 1993-10