Technical Articles

What is BS EN 12100-2:2012


BS EN 12100-2:2012 is a professional technical standard that sets out the essential health and safety requirements for machinery. It provides guidelines for the safe design, installation, and testing of machinery to ensure the protection of workers and users. This article aims to give an of the key aspects covered by BS EN 12100-2:2012.

Scope and Applicability

The scope of BS EN 12100-2:2012 extends to all types of machinery and their associated equipment used in various industries. This includes but is not limited to manufacturing, construction, agriculture, and transportation. The standard applies to both new and existing machinery, as well as mobile machinery and machinery with multiple interdependent parts.

Moreover, BS EN 12100-2:2012 is applicable to both manual and automated machinery, including those controlled by computer systems or software. It addresses risks related to mechanical, electrical, hydraulic, pneumatic, and thermal hazards, among others.

Key Requirements

Risk Assessment: One of the primary requirements set forth by BS EN 12100-2:2012 is the need for conducting a comprehensive risk assessment for each machine. This involves identifying and evaluating potential hazards, determining the severity of risks, and implementing appropriate control measures to minimize or eliminate them. Risk assessment should be an ongoing process throughout the lifecycle of the machinery.

Design Principles: The standard emphasizes the importance of following specific design principles to ensure the safety of machinery. This includes considerations such as eliminating or minimizing accessible hazardous areas, providing appropriate guards and protective devices, and incorporating fail-safe features to prevent accidents caused by malfunctions or operator errors.

Testing and Verification

BS EN 12100-2:2012 requires machinery manufacturers to conduct thorough testing and verification procedures to validate the safety features and performance of their products. This involves performing functional tests, stress tests, and endurance tests, among others. The standard also emphasizes the need for proper documentation of these tests and ensuring compliance with relevant regulations and requirements.

Additionally, BS EN 12100-2:2012 highlights the necessity of providing clear instructions and warnings in user manuals and labels. These should include information on safe operation, maintenance procedures, emergency shutdown protocols, and potential hazards associated with the machinery.


BS EN 12100-2:2012 plays a crucial role in promoting the safety and well-being of workers and users of machinery. By adhering to the guidelines and requirements outlined in this technical standard, manufacturers can minimize risks and prevent accidents. Employers and operators are also encouraged to familiarize themselves with the provisions of BS EN 12100-2:2012 and implement necessary measures to ensure a safe working environment.



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