1. BS EN 60364-5-53 AMD2. Low-voltage electrical installations. Part 5-53. Selection and erection of electrical equipment. Devices for protection for safety, isolation, switching, control and monitoring. Clause 534 (3rd February 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (10 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. BS EN IEC 62991. Particular requirements for Source-Switching Equipment (SSE). (20th December 2019) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (155 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗