Detector Base Sounders - Bosch AVENAR detector 4000 User Manual

10 en | System Overview
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
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.
2023-06 | 07 | F.01U.283.550
User manual
AVENAR detector 4000
2
can be
Bosch Sicherheitssysteme GmbH