Bosch D7050-B6 Specsheet
Fire Alarm Systems | D7050‑B6 Two‑wire Detector Base
D7050‑B6 Two‑wire Detector Base
www.boschsecurity.com
u Connects to multiplex bus of the FPD‑7024 or
D7024 Addressable FACP, DS7400Xi Control Panel,
and G Series Control Panels
u Detector's head is easily removed by twisting
The D7050‑B6 is the required base for the D7050
Multiplex Photoelectric Smoke Detector Head and the
D7050TH Multiplex Photoelectric Smoke Heat
Detector Head. It connects to the multiplex bus of the
FPD‑7024 or D7024 Addressable Fire Alarm Control
Panels (FACPs), the DS7400Xi Control Panel, and the
G Series Control Panels.
Notice
All versions of the FPD-7024 require a D7039 MUX
Expansion Module. The D7024 FACP requires a
D7039 MUX Expansion Module and control panel
ROM version 2.0 or higher.
Certifications and approvals
Region Certification
USA UL UROX: Smoke-automatic Fire Detectors
(ANSI/UL 268)
FM D7050-B6
CSFM see our website
FDNY-
#6173
CoA
u Two‑piece detector head and base design allows
pre‑wiring the system
Installation/configuration notes
Compatible Products
The following products are compatible with the
D7050‑B6 detector base:
Category Product ID Product Description
Control
FPD‑7024 FACP
Panels
D7024 FACP
D7024‑EXP FACP for export
G Series D9412G (or later), D7412G (or
later), and D7212G1 (or later)
Detectors D7050 Multiplex photoelectric smoke
detector
D7050TH Multiplex photoelectric smoke
detector with 135°F (57°C) heat
sensor
Remote
Annunciators
Interface
DRA-12/24 12 VDC and 24 VDC remote
annunciator
D8125MUX Multiplex bus interface module
Modules
1
The D7212G models are not UL Listed for commercial fire.
D
O
N
O
T
P
A
I
N
T
STRIP
GAGE
+1
R2
3-
D
O
N
O
T
P
A
I
N
T
STRIP
GAGE
+1
R2
3-
BUS A+ BUS A- BUS B+ BUS B-
Mux Bus
D
O
N
O
T
P
A
I
N
T
STRIP
GAGE
+1
R2
3-
D
O
N
O
T
P
A
I
N
T
STRIP
GAGE
+1
R2
3-
BUS A+ BUS A- BUS B+ BUS B-
Mux Bus
2 | D7050‑B6 Two‑wire Detector Base
Mounting Considerations
The D7050‑B6 Base can be mounted on a four‑inch
square, a four‑inch octagonal, or a single‑gang box. It
can also be surface mounted with anchors, mollies, or
wing nuts.
Number of Devices Allowed on Loop
The number of multiplex smoke or smoke‑heat
detectors allowed on the multiplex bus is determined
by the wire gauge and the total wire length of the bus.
Do not exceed 30 Ω maximum line resistance. For
multiplex bus wiring requirements, see the D7039
Installation Guide.
Wiring Connection to D7024 MUX bus through D7039
Notice
Do not use shielded cable.
The D7050-B6 bases can be wired in a series or using
the T‑tap method. See the following illustrations.
Mechanical Properties
Color: Off-white
Material: High‑impact, fire‑retardant polymer plastic
Ordering information
D7050‑B6 Two‑wire Detector Base
Required base for the D7050 Multiplex Photoelectric
Smoke Detector Head and the D7050TH Multiplex
Photoelectric Smoke Heat Detector Head
Order number D7050-B6
Series Connection
T‑tap Connection
Parts included
Quant. Component
1 Detector base
1 Hardware pack
1 Literature pack
Technical specifications
Environmental Considerations
Relative Humidity: 0% to 93% non‑condensing
Temperature (0perating): +32°F to +100°F (0°C to +38°C)
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