GB/T 24475-2009
AbolishedRemote alarm on lifts (elevators)
电梯远程报警系统
Application Summary AI generated
GB/T 24475-2009 specifies technical requirements for remote alarm systems in lifts, including signal transmission, power supply backup, and voice communication functionality. It is applied in the construction industry for passenger and service elevators to ensure that trapped passengers can reliably contact rescue services during power failures or malfunctions. The standard is used by elevator manufacturers, building operators, and testing bodies to verify compliance with safety and emergency communication protocols.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.