A retentive on-relay timer is capable retaining the accumulated value in the event of a power loss to the controller.

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A retentive on-relay timer is designed to retain the accumulated value in the event of a power loss to the controller, allowing it to continue timing accurately once power is restored. This feature distinguishes it from non-retentive timers, which would reset to zero if power is lost.

A Retentive On-Relay Timer Is Capable Retaining the Accumulated Value