391. Tracked Changes. Low-voltage switchgear and controlgear. Contactors and motor-starters. Semiconductor motor controllers, starters and soft-starter Part 4-2, (12th June 2023) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (290 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
392. Tracked Changes. Low-voltage switchgear and controlgear. Control circuit devices and switching elements. Three-position enabling switches Part 5-8, (26th May 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (80 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
393. Tracked Changes. Low-voltage switchgear and controlgear. Control units for built-in thermal protection (PTC) for rotating electrical machines Part 8, (17th April 2023) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (120 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
394. Tracked Changes. Low-voltage switchgear and controlgear. General rules Part 1, (8th March 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (660 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
395. Tracked Changes. Low-voltage switchgear and controlgear. Multiple function equipment. Control and protective switching devices (or equipment) (CPS) Part 6-2, (4th September 2023) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (316 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
396. Tracked Changes. Low-voltage switchgear and controlgear. Multiple function equipment. Transfer switching equipment Part 6-1, (26th July 2023) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (178 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
397. Tracked Changes. Low-voltage switchgear and controlgear. Switches, disconnectors, switch-disconnectors and fuse-combination units Part 3, (3rd March 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (212 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
398. Tracked Changes. Power installations exceeding 1 kV AC and 1, 5 kV DC. AC Part 1, (4th January 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (306 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
399. Tracked Changes. Reciprocating internal combustion engine driven alternating current generating sets. Emergency power supply to safety services Part 12, (28th September 2022) 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) ↗
400. Type F and type B residual current operated circuit-breakers with and without integral overcurrent protection for household and similar uses. (29th April 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (52 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗