Environmental Engineering (EE); Power supply interface at the input of Information and Communication Technology (ICT) equipment; - Part 3: Up to 400 V Direct Current (DC) (ETSI EN 300 132-3 V2.3.1 (2023-01))
Edition 2023-04-01

Environmental Engineering (EE) - Earthing and bonding of 400 VDC data and telecom (ICT) equipment (ETSI EN 301605 V1.1.1 (2013-10))
Edition 2014-01-01

Wireless Industrial Applications (WIA); Equipment operating in the 5725 MHz to 5875 MHz frequency range with power levels ranging up to 400 mW; Harmonised Standard for access to radio spectrum (ETSI EN 303258 V1.1.1 (2020-04))
Edition 2020-06-01

Rotating electrical machines - Dimensions and output series - Part 1: Frame numbers 56 to 400 and flange numbers 55 to 1080 ((IEC 60072-1:2022) EN IEC 60072-1:2022) (german version)
Edition 2024-06-01

Connectors for electrical and electronic equipment - Product requirements - Part 8-106: Power connectors - Detail specification for 2-poles push-pull coupling rectangular connectors with fuses, for rated voltage of 400 V DC and rated current of 16 A (IEC 48B/2956/CDV) (english version)
Edition 2022-06-15

Bakery machinery - Cylinders roll length equal or greater than 400 mm - Safety and hygiene requirements
Edition 2016-09-19

Fuel gas internal network in non-residential use installations until 400 kPa - Design and construction
Edition 2020-10-15

Fuel gas internal network in non-residential use installations until 400 kPa - Design and construction
Edition 2020-10-15