IEC 62912-2-2019 pdf download
IEC 62912-2-2019 pdf download.Railway applications – Direct current signalling monostable relays of type N and type C. This International Standard gives requirements for direct current relays intended for safety- related applications in railway signalling installations. This International Standard is applicable to monostable relays of type N and type C. 2...
IEC 62911-2016 pdf download
IEC 62911-2016 pdf download.Audio, video and information technology equipment – Routine electrical safety testing in production. This International Standard defines routine electrical safety test procedures for use during or after manufacturing of complete equipment, sub-assemblies or components, complying with IEC 60065, IEC 60950-1 or IEC 62368-1 and powered by an...
IEC TR-1948-3-2018 pdf download
IEC TR-1948-3-2018 pdf download.Test methods for quantitative determination of corrosive sulfur compounds in unused and used insulating liquids – Part 3: Test method for quantitative determination of elemental sulfur. 5 Procedure 5.1 Principle 5.1 .1 Determination with gas chromatography The oil sample is diluted approximately 1 :20 with a suitable...
IEC 62868-1-2020 pdf download
IEC 62868-1-2020 pdf download.Organic light emitting diode (OLED) light sources for general lighting – Safety – Part 1: General requirements and tests. This part of IEC 62868 specifies general safety requirements of OLED products for use on DC supplies up to 1 000 V or AC supplies up to 1...
IEC 62841-4-5-2021 pdf download
IEC 62841-4-5-2021 pdf download.Electric motor-operated hand-held tools, transportable tools and lawn and garden machinery – Safety – Part 4-5: Particular requirements for grass shears. This clause of Part 1 is applicable, except as follows. Addition: This document applies to grass shears with a maximum cutting width of 200 mm designed...
IEC 62841-3-12-2021 pdf download
IEC 62841-3-12-2021 pdf download.Electric motor-operated hand-held tools, transportable tools and lawn and garden machinery – Safety – Part 3-12: Particular requirements for transportable threading machines. This clause of Part 1 is applicable, except as follows: Addition: This part of IEC 62841 applies to transportable threading machines. 2 Normative references This...
IEC 62841-3-9-2020 pdf download
IEC 62841-3-9-2020 pdf download.Electric motor-operated hand-held tools, transportable tools and lawn and garden machinery – Safety – Part 3-9: Particular requirements for transportable mitre saws. This clause of Part 1 is applicable, except as follows: Addition: This part of IEC 62841 applies to transportable mitre saws intended to be used...
IEC 62821-3-2015 pdf download
IEC 62821-3-2015 pdf download.Electric cables – Halogen-free, low smoke, thermoplastic insulated and sheathed cables of rated voltages up to and including 450/750 V – Part 3: Flexible cables (cords). 3 Terms and definitions For the purposes of this document, the terms and definitions given in IEC 62821 -1 apply. 4...
IEC 62793-2020 pdf download
IEC 62793-2020 pdf download.Thunderstorm warning systems – Protection against lightning (IEC 62793:2020). This document describes the characteristics of thunderstorm warning systems (TWSs) in order to implement lightning hazard preventive measures. Single sensors and/or a network of sensors (e.g. lightning location system) can be used as a TWS. This document provides...
IEC 62788-6-2-2020 pdf download
IEC 62788-6-2-2020 pdf download.Measurement procedures for materials used in photovoltaic modules – Part 6-2: General tests – Moisture permeation testing of polymeric materials. This document provides methods for measuring the steady-state water vapour transmission rate (WVTR), water vapour permeability (P), diffusivity (D), solubility (S), and moisture breakthrough time (Ƭ 1...