GB/T 41108.2-2021 Safety of machinery—Safety requirements for interlocking devices—Part 2:Interlocking devices with guard-locking

GB/T 41108.1-2021 Safety of machinery—Safety requirements for interlocking devices—Part 1:Direct opening position switches GB/T 41108.3-2021 Safety of machinery—Safety requirements for interlocking devices—Part 3:Trapped key interlocking devices and systems

GB/T 4208-2017 Degrees of protection provided by enclosure(IP code) GB/T 14048.5-2017 Low-voltage switchgear and controlgear—Part 5-1:Control circuit devices and switching element—Electromechanical control circuit devices GB/T 15706-2012 Safety of machinery—General principles for design—Risk assessment and risk reduction GB/T 16855.1-2018 Safety of machinery—Safety-related parts of control systems—Part 1:General principles for design GB/T 16855.2-2015 Safety of machinery—Safety-related parts of control systems—Part 2:Validation GB/T 18831-2017 Safety of machinery—Interlocking devices associated with guards—Principles for design and selection GB 28526-2012 Electrical safety of machinery—Functional safety of safety-related electrical,electronic and programmable electronic control systems GB/T 41108.1-2021 Safety of machinery—Safety requirements for interlocking devices—Part 1:Direct opening position switches