1. BS EN 60255-27 Ed.3.0. Measuring relays and protection equipment. Part 27. Product safety requirements (6th February 2020) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (113 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. BS EN 61810-7-6. All-or-nothing electrical relays. Tests and Measurements. Part 7-6. Contact-circuit resistance (or voltage drop) (3rd February 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (12 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
3. BS EN IEC 60255-1. Measuring relays and protection equipment. Part 1. Common requirements (30th January 2020) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (47 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
4. BS EN IEC 60255-26. Measuring relays and protection equipment. Part 26. Electromagnetic compatibility requirements (21st August 2020) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (61 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
5. Electrical protection relays. Information and requirements for all protection relays. Specification for electrical disturbance tests. 1 MHz burst disturbance tests Part 1.4.1, (31st August 1990) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (20 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
6. Electrical protection relays. Information and requirements for all protection relays. Specification for electrical disturbance tests. Fast transient disturbance test Part 1.4.4, (15th February 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) ↗
7. Electrical protection relays. Requirements for multi-input energizing quantity relays. Specification for biased (percentage) differential relays Part 4-4.1, (30th April 1984) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (12 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
8. Electrical protection relays. Requirements for single input energizing quantity relays. Specification for single input energizing quantity measuring relays with dependent specified time Part 3-3.2, (31st December 1990) 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) ↗
9. Electrical protection relays. Requirements for single input energizing quantity relays. Specification for single input energizing quantity measuring relays with non-specified time or independent specified time Part 3-3.1, (31st December 1990) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (8 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
10. Electrical protection relays. Requirements for the principal families of protection relays. Specification for thermal electrical relays Part 2-2.3, (31st May 1991) 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) ↗