7EN52–0425-00

Battery replacement

The meter battery keeps the real-time clock running when primary power is lost (loss of three phases or, if applicable, loss of power to the meter’s auxiliary power supply).

A new battery runs the clock for about four years on an unpowered meter. When the meter is fully powered, all battery drain is effectively eliminated; in this case battery life is rated at 10 years minimum.

Replace the battery if the meter has been sitting for an extended period of time without power (for example, two years). If the meter will be without power for an extended length of time, disconnect the battery cable so that the 10-year battery life is maintained.

NOTE: For revenue-locked meters, Schneider Electric recommends replacing the battery before re-sealing the meter. Also ensure the expiration date of the battery exceeds the seal expiration date.
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