Tap-changers - Performance requirements and test methods1 Scope This part of IEC 60214 applies to on load tap changers of both resistor and reactor types, de energized tap changers, and their motor drive mechanisms. It applies mainly to tap changers immersed in mineral insulating oil according to IEC 60296 but may also be used for tap changers with air or gas insulation or immersed in other insulating liquids insofar as conditions are applicable. It applies mainly to tap changers with arcing contacts but

Note1: BS EN 62339-1 does not specify the designs of the actual system components and the flow substrate

It is the responsibility of the user of this International Standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use

Machine readable travel documents

— discrimination threshold

BS EN 61028 also applies to non-interchangeable accessories and accessories of limited interchangeability (e

This helps in turn to attract more candidates and clients

Manufacturers of digital display devices

6 Materials

Operators for steam sterilizer

BS EN 1337-8 deals with the requirements for the design and manufacture of guide bearings and restraint bearings

Pulse-echo ultrasonic testing authorities

or a structural beam to the point where it breaks