Combined Green-Dome RTE Push Button & Resettable Double-Pole Emergency Release, Stainless Steel DBB-22-04 E0901D000020 Default:- Curtain‑style detection: Up to four

Curtain‑style detection: Up to four configurable sensing curtains (alarm + pre‑alarm)

Foldable for easy portability

It supports pre‑installed batteries with optional 12 V external power and is designed for simple SmartBracket mounting

all four inputs can route to any of the four output zones

the SARA range has high efficiency output and comes with a standard 5-year warranty for your peace of mind

Combined Green-Dome RTE Push Button & Resettable Double-Pole Emergency Release, Stainless Steel DBB-22-04 E0901D000020 Default:- Curtain‑style detection: Up to fourOverview The CDVI DBB2204 is a combined exit device integrating a large green dome RequesttoExit (RTE) momentary push button with a resettable doublepole emergency door release. Supplied with reset keys and a UK doublegang backbox for tidy surface mounting, it provides a singleface solution for egress and emergency release applications in care homes, schools, commercial and public buildings. For full technical details consult the manufacturer