JIP33 has published the S-742 MV AC Contactors, Controllers and Control Centers (UL 347) specification.
The purpose of this specification is to define a minimum common set of requirements for the procurement of medium-voltage AC contactors, controllers, and control centers in accordance with UL 347, seventh edition, published November 2020, UL Standard for Safety for Medium-Voltage AC Contactors, Controllers, and Control Centers for application in the petroleum and natural gas industries.
The International Association of Oil & Gas Producers (IOGP) started Joint Industry Programme (JIP)33 in 2016. Its aim is to develop standardized specifications that enable the industry supply chain to become better, cheaper and faster.
More than 50 specifications have now been published to date and are already delivering benefits for users worldwide, with another 9 in development (including scope expansion) and 10 in maintenance.
Sign up to the JIP33 mailing list here