British Standards Institution

Source:: IEC
Committee:: EXL/31 - Equipment for explosive atmospheres
Categories:: Internal combustion engines | Electrical apparatus. Explosive atmospheres
Number of comments:: 1

Scope

This part of IEC 60079 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 EPL Gc.

This standard 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 60kV.

This standard is intended to apply only to the ignition systems or the individual ignition system components used on reciprocating internal combustion engines that are stationary when in operation except for forklift trucks and other mobile machinery where the internal combustion engine may be potential source of ignition. Applications addressed by the scope of this doc ument include but are not limited to gas compressors, electric power generators, forklift trucks, and pumps.

This standard 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 the engine control module (ECM), various sensors and thermocouples, throttle actuator, 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 standard supplements and modifies the general requirements of IEC 60079-0 and the requirements ISO/IEC 80079-41. Where a requirement of this standard conflicts with IEC 60079-0 or ISO/IEC 80079-41, the requirement of this standard takes precedence.

NOTE See ISO/IEC 80079-41 for the requirements for explosion protection for EPL Gc reciprocating internal combustion engines.

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Please email further comments to: debbie.stead@bsigroup.com

Standard timeline

1. Proposal (Complete)

Proposal start date:

2. Draft (Complete)

Draft start date:

30/03/2018

3. Public Comments

Public Comments start date:

15/02/2023

Public Comments end date:

01/03/2023

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Standards Development

BS IEC 60079-45 Ed.1.0 Explosive atmospheres – Part 45 - Electrical Ignition Systems for Internal Combustion Engines

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