1. BS EN 62423. Type F and type B residual current operated circuit-breakers with and without integral overcurrent protection for household and similar uses. (22nd February 2022) 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) ↗
2. Type F and type B residual current operated circuit-breakers with and without integral overcurrent protection for household and similar uses. (27th October 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (54 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗