201. BS EN IEC 61810-7-45 Electrical relays - Tests and Measurements. Part 7-45. Maximum frequency of operation (4th April 2023) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (17 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
202. BS EN IEC 61810-7-45. All-or-nothing electrical relays. Tests and measurements. Part 7-45. Maximum cycling frequency (8th October 2021) 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) ↗
203. BS EN IEC 61810-7-48. All-or-nothing electrical relays. Tests and Measurements. Part 7-48. Contact reliability test (29th October 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (17 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
204. BS EN IEC 61810-7-48. Electrical relays. Tests and Measurements. Part 7-48. Contact failure rate test (11th April 2023) 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) ↗
205. BS EN IEC 61810-7-49. All-or-nothing electrical relays. Tests and Measurements. Part 7-49. Long term stability of sealing (29th April 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) ↗
206. BS EN IEC 61810-7-49. Electrical relays. Tests and Measurements. Part 7-49. Long term stability of sealing (31st May 2023) 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) ↗
207. BS EN IEC 61810-7-52. All-or-nothing electrical relays. Tests and Measurements. Part 7-52. Coil overvoltage (29th October 2021) 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) ↗
208. BS EN IEC 61810-7-53. All-or-nothing electrical relays. Tests and Measurements. Part 7-53. Slow decrease and increase of supply voltage (8th October 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (9 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
209. BS EN IEC 61810-7-54. All-or-nothing electrical relays. Tests and Measurements. Part 7-54. Critical DC load current test (8th October 2021) 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) ↗
210. BS EN IEC 61810-7-8. All-or-nothing electrical relays. Tests and Measurements. Part 7-8. Timing (15th October 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (15 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗