AEG ME09 Installation, Operation And Maintenance Manual page 42

2.1-09
INTRO BREAKER
TRIP UNIT
LOCKS ACCESSORIES
BATTERY FUNCTION
Pressing any key on the face of the trip unit powers the unit
from its internal ba ery. Ba ery power is maintained for 20
sec a er the last key is pressed.
This self-powered mode allows se ng up the trip unit or
viewing trip targets when the breaker is de-energized and
external control power is unavailable.
All normal setup, meter, and status func ons can be
performed with ba ery power.
Remark
down for up to 5 sec for the trip unit to be powered.
Replacement
Replace the ba ery if it does not power up the trip unit when
any key is pressed.
Li the ba ery cover on the front of the trip unit to expose the
3.6 V 1/2 AA lithium cell.
-- A suitable replacement is TADIRAN part number TLL-5902/S or
SANYO part number CR14250SE which are commonly available
from most electrical stores or industrial distributors.
TESTS APPENDIX