IEC 63093-9 Ed. 1.0 b:2020

Ferrite cores – Guidelines on dimensions and the limits of surface irregularities – Part 9: Planar cores
standard by International Electrotechnical Commission, 04/16/2020

IEC 60487-3-6 Ed. 1.0 b:1984

Methods of measurement for equipment used in terrestrial radio-relay systems – Part 3: Simulated systems – Section Six: Measurements for sound programme transmission
standard by International Electrotechnical Commission, 01/01/1984

IEC 60364-5-53 Ed. 4.0 en:2019

Low-voltage electrical installations – Part 5-53: Selection and erection of electrical equipment – Devices for protection for safety, isolation, switching, control and monitoring
standard by International Electrotechnical Commission, 02/21/2019

IEC 60193 Ed. 2.0 b:1999

Hydraulic turbines, storage pumps and pump-turbines – Model acceptance tests
standard by International Electrotechnical Commission, 11/16/1999

IEC 61643-331 Ed. 3.0 en:2020

Components for low-voltage surge protective devices – Part 331: Performance requirements and test methods for metal oxide varistors (MOV)
standard by International Electrotechnical Commission, 03/19/2020

IEC 62868-1 Ed. 1.0 b:2020

Organic light emitting diode (OLED) light sources for general lighting – Safety – Part 1: General requirements and tests
standard by International Electrotechnical Commission, 05/14/2020