1. Direct current (DC) appliance couplers for information and communication technology (ICT) equipment installed in data centres and telecom central offices. AC/DC appliance inlet Part 3, (6th July 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (24 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Direct current (DC) appliance couplers for information and communication technology (ICT) equipment installed in data centres and telecom central offices. 5, 2 kW system Part 2, (6th July 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (32 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
3. Control circuit devices and switching elements proximity sensors, d.c. interface for proximity sensors and switching amplifiers (NAMUR). (17th March 1999) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (14 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
4. Direct current (DC) appliance couplers for information and communication technology (ICT) equipment installed in data centres and telecom central offices. 2, 6 kW system Part 1, (7th July 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (70 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗