Low-voltage electrical installations - Part 4-44: Protection for safety - Protection against voltage disturbances and electromagnetic disturbances - Clause 443: Protection against overvoltages of atmospheric origin or due to switching (IEC 64/1957/CDV)
Edition 2014-10-01

Electrical installations of buildings - Part 4-44: Protection for safety - Protection against voltage disturbances and electromagnetic disturbances - Clause 443: Protection against transient overvoltages of atmospheric origin or due to switching (english version)
Edition 2015-09-15

Low-voltage electrical installations - Part 5-53: Selection and erection of electrical equipment - Isolation, switching and control - Clause 534: Devices for protection against overvoltages (IEC 64/1958/CDV)
Edition 2014-10-01

Low-voltage electrical installations - Part 5-53: Selection and erection of electrical equipment - Isolation, switching and control - Clause 534: Devices for protection against transient overvoltages (english version)
Edition 2015-09-15

Electrical relays - Tests and Measurements - Part 52: Coil overvoltage (IEC 94/1043/CDV) (english version)
Edition 2024-09-15

Overvoltage limiting devices - Requirements
Edition 2023-01-14

Electrical relays - Tests and measurements - Part 52: Coil overvoltage

BS EN IEC 61810-7-52. All-or-nothing electrical relays. Tests and Measurements. Part 7-52. Coil overvoltage
Edition 2021-10-29

BS EN IEC 61810-7-52. All-or-nothing electrical relays. Tests and Measurements. Part 7-52. Coil overvoltage
Edition 2022-06-21

BS EN IEC 61810-7-52. Electrical relays. Tests and Measurements. Part 7-52. Coil overvoltage
Edition 2023-06-01