Plug & Upgrade emergency kit for converting BULKHEAD COMBO luminaires into emergency luminaires. : Operation mode: maintained (M) or non-maintained (NM). Battery technology: LiFePO4. : Plug & Upgrade concept to extend the On/Off luminaire to an emergency luminaire. Easy maintenance due to manual self test function for emergency lighting. Operation of integrated emergency lighting function with long life LiFePO4 battery with 3h discharge time. Easy battery replacement possible. Modularly upgradeable Emergency kit reduces stock keeping complexity. : Suitable for BULKHEAD COMBO ROUND. Buildings requiring up to 3 h emergency light operation. : Battery included. Control LED with a retainer for recessed installation included. : All electrical connections must be made by a qualified person.. Caution, risk of electric shock.. Disconnect mains before installation.. Do not open enclosure-housing..