GB/T 41108.3-2021 Safety of machinery—Safety requirements for interlocking devices—Part 3:Trapped key interlocking devices and systems

GB/T 41108.1-2021 Safety of machinery—Safety requirements for interlocking devices—Part 1:Direct opening position switches GB/T 41108.2-2021 Safety of machinery—Safety requirements for interlocking devices—Part 2:Interlocking devices with guard-locking

GB/T 14048.1-2012 Low-voltage switchgear and controlgear—Part 1:General rules GB/T 14048.3-2017 Low-voltage switchgear and controlgear—Part 3:Switches,disconnectors，switch-disconnectors and fuse-combination units 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/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