ISO/TS 19837:2018规定了机械应用中被困钥匙联锁装置和系统的设计、选择和应用原则，与用于控制它们或它们控制的能量类型无关。 本文件的要求适用于钥匙联锁装置和系统的安全相关方面。除非本文件中给出例外情况，否则ISO 14119始终适用。 ISO/TS 19837:2018旨在与ISO 14119结合使用。 ISO/TS 19837:2018未提供测试要求。 注:有关测试要求的文件可在参考书目中找到。

ISO/TS 19837:2018 specifies principles for the design, selection and application of trapped key interlocking devices and systems for machinery applications, independent of the type of energy used to control them or that they control. The requirements of this document apply to the safety related aspects of trapped key interlocking devices and systems. ISO 14119 always applies unless an exception is given in this document. ISO/TS 19837:2018 is intended to be used in conjunction with ISO 14119. ISO/TS 19837:2018 does not provide testing requirements. NOTE Documents addressing testing requirements can be found in the Bibliography.