IEC 60079-45:2025 is intended to enhance the safety of personnel by providing minimum requirements for electrical ignition systems for spark-ignited reciprocating internal combustion engines, parts of which provide Equipment Protection Level (EPL) Gc.
This document provides minimum construction and test requirements, in addition to manufacturer installation and maintenance recommendations, for the safe operation of ignition systems and components for spark-ignited reciprocating internal combustion engines providing EPL Gc for equipment Group IIB+H2, IIB or IIA. These requirements apply to systems rated for normal operation with secondary voltages less than or equal to 60 kV.
This document applies only to the ignition systems or the individual ignition system components used on reciprocating internal combustion engines that are stationary when in operation and mobile machinery where the internal combustion engine can be potential source of ignition. Applications addressed by the scope of this document include but are not limited to gas compressors, electric power generators, forklift trucks, and pumps.
This document does not apply to:
a) Engine ignition systems that utilize a breaker point or magneto type ignition systems as these would not be suitable for use in a hazardous area.
b) Road vehicles.
c) Low voltage parts and electrical installation that are not included in the ignition system, such as various sensors and thermocouples, throttle actuator(s), fuel control valve(s), human machine interface (HMI), respective harness and wiring and all the other items that might belong to the integrated control system besides the ignition system.
This document supplements and modifies the general requirements of IEC 60079-0 and the requirements of ISO/IEC 80079-41. Where a requirement of this document conflicts with IEC 60079 0 or ISO/IEC 80079-41, the requirement of this document takes precedence.

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IEC 60079-45:2025 is intended to enhance the safety of personnel by providing minimum requirements for electrical ignition systems for spark-ignited reciprocating internal combustion engines, parts of which provide Equipment Protection Level (EPL) Gc. This document provides minimum construction and test requirements, in addition to manufacturer installation and maintenance recommendations, for the safe operation of ignition systems and components for spark-ignited reciprocating internal combustion engines providing EPL Gc for equipment Group IIB+H2, IIB or IIA. These requirements apply to systems rated for normal operation with secondary voltages less than or equal to 60 kV. This document applies only to the ignition systems or the individual ignition system components used on reciprocating internal combustion engines that are stationary when in operation and mobile machinery where the internal combustion engine can be potential source of ignition. Applications addressed by the scope of this document include but are not limited to gas compressors, electric power generators, forklift trucks, and pumps. This document does not apply to: a) Engine ignition systems that utilize a breaker point or magneto type ignition systems as these would not be suitable for use in a hazardous area. b) Road vehicles. c) Low voltage parts and electrical installation that are not included in the ignition system, such as various sensors and thermocouples, throttle actuator(s), fuel control valve(s), human machine interface (HMI), respective harness and wiring and all the other items that might belong to the integrated control system besides the ignition system. This document supplements and modifies the general requirements of IEC 60079-0 and the requirements of ISO/IEC 80079-41. Where a requirement of this document conflicts with IEC 60079 0 or ISO/IEC 80079-41, the requirement of this document takes precedence.

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IEC 60079-45:2025 is intended to enhance the safety of personnel by providing minimum requirements for electrical ignition systems for spark-ignited reciprocating internal combustion engines, parts of which provide Equipment Protection Level (EPL) Gc.
This document provides minimum construction and test requirements, in addition to manufacturer installation and maintenance recommendations, for the safe operation of ignition systems and components for spark-ignited reciprocating internal combustion engines providing EPL Gc for equipment Group IIB+H2, IIB or IIA. These requirements apply to systems rated for normal operation with secondary voltages less than or equal to 60 kV.
This document applies only to the ignition systems or the individual ignition system components used on reciprocating internal combustion engines that are stationary when in operation and mobile machinery where the internal combustion engine can be potential source of ignition. Applications addressed by the scope of this document include but are not limited to gas compressors, electric power generators, forklift trucks, and pumps.
This document does not apply to:
a) Engine ignition systems that utilize a breaker point or magneto type ignition systems as these would not be suitable for use in a hazardous area.
b) Road vehicles.
c) Low voltage parts and electrical installation that are not included in the ignition system, such as various sensors and thermocouples, throttle actuator(s), fuel control valve(s), human machine interface (HMI), respective harness and wiring and all the other items that might belong to the integrated control system besides the ignition system.
This document supplements and modifies the general requirements of IEC 60079-0 and the requirements of ISO/IEC 80079-41. Where a requirement of this document conflicts with IEC 60079 0 or ISO/IEC 80079-41, the requirement of this document takes precedence.

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This document defines terms related to the ignition systems of spark-ignited internal combustion, mainly but not solely intended for use in road vehicles.

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This document specifies the design and/or evaluation with the specific equipment, conditions and methods for distributorless battery ignition systems intended for use in various internal combustion engines including automotive, marine, motorcycle and utility engine applications. The test procedures listed in this document are limited to measurements performed on a test bench only and do not include measurements made directly on engines or vehicles. This document is not intended to supply information for battery ignition systems used in aircraft applications of any type.

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This document specifies the test methods and requirements for the mechanical and electrical performance of spark-plugs for use with spark ignition engines.

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This document specifies the main properties and dimensions of spark plugs, including the terminals and the dimensions of their cylinder head housings, for use with any spark-ignited engines. The usage of spark plugs is not restricted to road vehicles only. This document does not cover screened and waterproof spark plugs (see ISO 3412, ISO 3895 and ISO 3896).

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This document specifies the main properties and dimensions of metal-sheath-type glow plugs, including the terminals, and the dimensions of their cylinder head housings, for use with diesel (compression ignition) engines.

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This document includes common definitions for terms and their interdependencies related to starting devices as well as describes their general and specific characteristics.

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IEC 61588:2021 defines a network protocol, the Precision Time Protocol (PTP), enabling accurate and precise synchronization of the real-time clocks of devices in networked distributed systems. The protocol is applicable to systems where devices communicate via networks, including Ethernet. The standard allows multicast communication, unicast communication or both. The standard specifies requirements for mapping the protocol to specific network implementations and defines such mappings, including User Datagram Protocol (UDP)/Internet Protocol (IP versions 4 and 6), and layer-2 IEEE 802.3 Ethernet.

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This document provides human machine interface (HMI) design specifications for keyless ignition systems that use key code carrying device for passenger cars (including sport utility vehicles and light trucks) and commercial vehicles (including heavy trucks and buses), independent of vehicle propulsion system. HMI specifications for the electrical key functions include actuation in normal conditions, emergencies, low battery, and avoidance of inadvertent actuations, alerts and specific non-standard situations.

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This document defines the durability test methods of a starter relay for passenger vehicles (12 V) with a stop and start system. It uses a simulated electrical load to represent the starter solenoid.

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This document defines requirements and recommendations for starter motor durability testing of 12 V start systems for internal combustion engines. This includes test methods, test procedures and capabilities of test benches.

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ISO 17447-2:2015 specifies the main properties and dimensions of ceramic-sheath-type glow-plugs, including the terminals and the dimensions of their cylinder head housings, for use with diesel (compression ignition) engines.

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ISO 17447-3:2015 specifies general requirements and test methods for sheath-type glow-plugs. Detailed test condition(s) and/or requirement(s) are agreed between the glow-plug manufacturers and the engine manufacturer. It is applicable to glow-plugs conforming to ISO 17447‑1 and ISO 17447‑2, used in diesel (compression ignition) engines.

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ISO 8856:2014 lays down test methods and general requirements for the determination of the electrical characteristics of DC starter motors intended to start internal combustion engines of road vehicles.

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IEC/TR 62343-6-2:2013(E) clarifies dynamic module interfaces, which should be standardized, based on the surveys. Annex A is a summary of survey responses by region and Annex B provides survey results specific to the optical channel monitor (OCM). The object of this technical report is to propose a software and hardware interface standard of dynamic modules. The dynamic modules addressed are defined in the IEC 62343 series. This second edition cancels and replaces the first edition published in 2009. It constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
- the survey results of the software and hardware interface of OCM have been added as Annex B, which was presented at the IEC Seattle meeting in 2010. The results are in agreement with the general conclusion of the first edition;
- OPMON (optical performance monitor) in the body of the text has been changed to OCM (optical channel monitor) for consistency with the latest definitions. Keywords: software and hardware interface standard of dynamic modules

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ISO 8854:2012 specifies test methods and general requirements for the determination of the electrical characteristic data of alternators for road vehicles. It applies to alternators, cooled according to the supplier's instructions, mounted on internal combustion engines.

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IEC/TR 62343-6-2:2009(E) clarifies dynamic module interfaces which should be standardized based on a survey of manufacturers. The objectives of this technical report are to present the survey results and to propose software (SW) and hardware (HW) interface standards of dynamic modules.

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ISO 6856:2005 specifies test methods and general requirements for unscreened high-voltage ignition cable assemblies, and is applicable to all such assemblies used in road vehicle applications.

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ISO 3808 specifies the classes, types and dimensions of, and test methods and requirements for, the unscreened high-voltage ignition cables used in spark-ignited engines for road vehicles.

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This part of ISO 11748 provides an application example of the guidelines and specifications for technical documentation given in ISO 11748-1 and ISO 11748-2. The example is based on the standard generalized markup language (SGML), which is specified in ISO 8879.

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This Technical Report describes the heat-rating methods of spark-plugs used with spark-ignition engines.

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This part of ISO 11748 gives guidelines for the structure and content of the documentation agreement established between partners in the development of on-board electronic control systems used in road vehicles. The documentation agreement describes the exchange of documents between the partners and is specific to a given development. This part of ISO 11748 provides a framework for any such agreement.

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This part of ISO 11748 gives guidelines for the content and structure of technical documentation for on-board electronic control systems used in road vehicles. It provides a checklist of technical data elements to be considered when creating technical documentation. The actual set of technical data elements to be exchanged between project partners is settled by the documentation agreement described in ISO 11748-2. Any decision on which information is relevant, mandatory or optional will be specific to a given project, and will thus be documented in that agreement.

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Cancels and replaces the first edition (1982). Lays down the methods and test conditions for testing battery-supplied ignition systems for spark-ignited internal combustion engines. Gives two methods of obtaining the results necessary for calculating the system output energy.

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Specifies the metric modules, number of teeth and other tooth characteristics which are necessary to ensure interchangeability of starter motor pinions with a pressure angle of 20°, used on starter motors for reciprocating internal combustion engines for road vehicles.

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Specifies the essential dimensional characteristics of a spark-plug type used with spark ignition engines. Tabulates major, pitch, and minor diameters for plug thread and connector thread. A figure illustrates shapes and reference quantities of concern.

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Specifies the dimensions, shape and connections for coils with two fixing holes, four fixing and/or positioning holes, and with mounting brackets. Applies to ignition systems for spark-ignited internal combustion engines of road vehicles.

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Specifies the dimensions. Applies to ignition systems for spark-ignited internal combustion engines of road vehicles.

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Specifies the mounting dimensions necessary for interchangeability of hinge-mounted alternators. May be used for other engine applications where no specific standards exist.

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Specifies the metric modules, pressure angles, number of teeth and other tooth characteristics which are necessary to ensure interchangeability of pinions used for starter motors mounted on reciprocating internal combustion engines for road vehicles.

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Specifies the diametral pitches, pressure angles, number of teeth and other tooth characteristics which are necessary to ensure interchangeability of pinions used for starter motors mounted on reciprocating internal combustion engines for road vehicles.

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Specifies the requirements for electric connections for electric fuel pumps. Does not apply to electric fuel pumps with free couplers, i.e. cable to cable terminations. Gives details for the types A, B and C. Some figures illustrate the meaning of the description. Details not specified are left to the manufacturer's discretion.

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This part specifies the essential dimensions of socket-type connections, used for spark-ignition engines. Applies to high-tension sockets and cable connectors of type "A" (figures 1 and 2). An annex gives socket and connector type "B" (figures 3 and 4). This first edition cancels and replaces the ISO 3553:1975.

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Establishes the mounting dimensions for interchangeability of starter motors mounted on internal combustion engines. Applies to starter motors, types 1 to 4, sizes "A" and "B". May be used for other engine applications where no specific standards exist. Some figures illustrate shapes and reference quantities of concern.

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Specifies the essential dimensional characteristics of a spark-plug type used with spark ignition engines. Tabulates major, pitch, and minor diameters for plug thread and connector thread. A figure illustrates shapes and reference quantities of concern. This third edition cancels and replaces the second edition (1979).

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Specifies the essential dimensional characteristics of a spark-plug type used with spark ignition engines. Tabulates major, pitch, and minor diameters for plug thread and connector thread. A figure illustrates shapes and reference quantities of concern. This third edition cancels and replaces the second edition (1979).

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This standard provides human machine interface (HMI) design specifications by Over The Air (OTA) software updates for passenger cars (including sport utility vehicles and light trucks) plus commercial vehicles (including heavy trucks and buses). These HMI specifications include state transitions, timing, HMI locations with respect to the driver, types of information, necessary notifications and warnings, confirmation of successful completion, and how deviations from the intended results will be handled, based on sequences defined in ISO24089. It covers software updates facilitated both while driving and while stationary

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IEC 63033-3:2019 specifies measurement methods for the drive monitoring system that is specified in IEC TS 63033-1:2017.

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This part of IEC 63033 specifies recording methods of the drive monitoring system that is specified in IEC TS 63033-1 in order to view the recorded video file with free eye point technology.

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ISO 17447-1:2015 specifies the main properties and dimensions of metal-sheath-type glow-plugs, including the terminals and the dimensions of their cylinder head housings, for use with diesel (compression ignition) engines.

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ISO 6550-4:2014 specifies the main characteristics of M8 × 1 sheath-type glow-plugs with conical seating and their cylinder head housing, for use with diesel (compression-ignition) engines.

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ISO 28741:2013 specifies the main properties and dimensions of spark-plugs, including the terminals and the dimensions of their cylinder head housings, for use with spark-ignition engines. ISO 28741:2013 does not cover screened and waterproof spark-plugs.

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ISO 6550-3:2013 specifies the main characteristics of M10 sheath-type glow-plugs with conical seating and their cylinder head housing, for use with diesel (compression-ignition) engines. :

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