Power transfer for supervising station facilities must occur within how many seconds?

Power transfer for supervising station facilities must occur within how many seconds?

• A. 30 seconds
• B. 45 seconds
• C. 60 seconds
• D. 90 seconds

Answer: (C)

When a supervising station facility loses normal power, the system must switch to its backup power source quickly so it can keep monitoring and transmitting alarms without interruption. That automatic transfer needs to happen within a set time window to ensure the station doesn’t go dark while the backup power comes online. 60 seconds is the standard window because it allows enough time for the automatic transfer switch to detect the power loss, start the backup source (like a generator if needed), and complete the switchover without pulling the monitors offline. A shorter window could be too aggressive for generator start-up, while a longer window risks a brief loss of monitoring capability. So the requirement is that power transfer occur within 60 seconds.

When a supervising station facility loses normal power, the system must switch to its backup power source quickly so it can keep monitoring and transmitting alarms without interruption. That automatic transfer needs to happen within a set time window to ensure the station doesn’t go dark while the backup power comes online.

60 seconds is the standard window because it allows enough time for the automatic transfer switch to detect the power loss, start the backup source (like a generator if needed), and complete the switchover without pulling the monitors offline. A shorter window could be too aggressive for generator start-up, while a longer window risks a brief loss of monitoring capability. So the requirement is that power transfer occur within 60 seconds.