271. Electrical accessories. Circuit-breakers for overcurrent protection for household and similar installations. Circuit-breakers for DC operation Part 3, (24th January 2023) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (144 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
272. Railway applications. Traction transformers and inductors on board rolling stock. (30th April 2018) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (76 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
273. Device embedding assembly technology. Guidelines. Accelerated stress testing of passive embedded circuit boards Part 2-7, (1st April 2019) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (16 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
274. BS EN IEC 61225. Nuclear power plants. Instrumentation, control and electrical power systems. Requirements for static uninterruptible DC and AC power supply systems. (2nd February 2023) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (38 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
275. Low-voltage surge protective devices. Surge protective devices connected to the d.c. side of photovoltaic installations. Selection and application principles Part 32, (17th July 2019) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (46 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
276. Short-circuit currents in d.c auxiliary installations in power plants and substations. Calculation of short-circuit currents Part 1, (31st October 2009) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (40 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
277. Short-circuit currents in three-phase a.c. systems. Factors for the calculation of short-circuit currents according to IEC 60909-0 Part 1, (31st July 2002) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (84 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
278. Optical circuit boards. Basic test and measurement procedures. Optical transmission test for optical circuit boards without input/output fibres Part 2-4, (30th September 2013) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (26 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
279. Semiconductor convertors. General requirements and line commutated convertors. Transformers and reactors Part 1-3, (15th May 1993) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (16 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
280. Terminal markings for valve device stacks and assemblies and for power conversion equipment. (29th February 2012) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (30 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗