ABB REU 610 Operator's Manual page 47

1MRS755971
Voltage Relay
Operator's Manual - ANSI Version
1. Gently remove the battery with, for example, a flat-ended screwdriver. Be
careful not to drop the battery inside the plug-in unit.
2. Insert a new battery under the battery holder and ensure that you install the
battery with the correct polarity to avoid damage to the equipment.
3. Dispose the removed battery according to local environmental regulations
on the disposal of lithium batteries.
The battery is not being charged during normal operation.
When the relay is taken out of service, the battery should be removed to avoid
discharge. Typical battery discharge time is 14 days.
Battery
Fig. 4.4.3.-1 Inserting and changing the battery
REU 610
Battery holder
Note! Polarity
A040282
47