How many seconds after the loss of primary power will a trouble condition be generated?

When primary power is lost, fire alarm systems are designed to monitor and respond to this condition to ensure the safety and security of the premises. In many fire alarm systems, a trouble condition is generated after a specific period of time without power. Typically, this is set to 30 seconds. This timeframe allows the system to determine that the loss of power is not temporary and requires attention.

If the condition persists beyond this threshold, it indicates a potential fault in the system, prompting the need for maintenance or inspection to address any underlying issues. The choice of 30 seconds strikes a balance between providing enough time for brief power outages to be overlooked and ensuring that prolonged issues are flagged promptly for action.