Bosch AVENAR detector 4000 - Detector Base Sounders

10 en | System Overview AVENAR detector 4000
2023-06 | 07 | F.01U.283.550
User manual
Bosch Sicherheitssysteme GmbH
The bases have screw terminals for connection of the detector and its accessories to the fire
panel. Contacts connected with the terminals guarantee a secure electrical connection when
installing the AVENAR detector 4000 Heat detector. Cable diameters of up to 2.5mm
2
can be
used.
The detector head can be secured against unauthorized removal with a locking clip.
MS400
MS400 is the standard detector base. It has seven screw
terminals.
MS400 B
MS400 standard detector base with Bosch-branding.
FAA‑MSR420
FAA-MSR420 is a detector base with a change-over contact relay
(type C).
FAA-MSR 420 Detector base with relay is for connecting to fire
panels with LSN improved technology.
FAA-420-SEAL
In damp rooms you can supplement the MS 400, MS 400 B and
FAA-MSR 420 detector bases with FAA-420-SEAL. The damp room
seal is made of TPE and prevents condensing water from entering
the detector.
MSC420
MSC 420 Base extension with damp room seal is designed for
surface-mounted cable feed via cable protection conduits. It has
two opposing pre-cut entry points of 20mm diameter and two
additional opposing and prepared entry points for diameters up
to 28mm.
MSC 420 has a diameter of 120mm and a height of 36.7mm. To
protect against condensed water penetration, a seal is placed on
the bottom of the MSC420.
2.6.2 Detector Base Sounders
Detector base sounders are used if acoustic alarm signaling is required directly at the fire
source.