71. BS EN IEC 62314. Solid-state relays. (24th January 2020) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (56 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
72. Electrical protection relays. General introduction and list of Parts Part 0, (30th November 1982) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (4 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
73. Electrical protection relays. General introduction and list of Parts Part 0, (31st January 1992) 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) ↗
74. Electrical protection relays. Information and requirements for all protection relays. Glossary of protection relay terms Part 1-1.1, (30th November 1982) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (14 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
75. Electrical protection relays. Information and requirements for all protection relays. Specification for contact performance Part 1-1.2, (30th November 1982) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (2 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
76. 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) ↗
77. 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) ↗
78. Electrical protection relays. Information and requirements for all protection relays. Specification for insulation testing Part 1-1.3, (30th November 1982) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (4 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
79. 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) ↗
80. 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) ↗