2 LED L-series Indoor Horn Strobes and Strobes — P/N I56-0022-000 8/25/2023
Introduction Product Specifications
Section 1: Introduction
1.1 Product Specifications
1.2 Dimensions and Mounting Options
NOTICE: This manual shall be left with the owner/user of this equipment.
1.3 Before Installing
Please read the System Sensor Audible Visible Application Reference Guide, which provides detailed information on notification devices,
wiring and special applications. Copies of this manual are available from System Sensor. NFPA 72 and NEMA and CAN/ULC S524 guide-
lines should be observed.
Important: The notification appliance used must be tested and maintained following requirements of NFPA 72 in UL applications or
CAN/ULC S536 in ULC applications.
1.4 General Description
System Sensor series of notification appliances offer a wide range of audible and visible devices for life safety notification. Our 2-wire horn
strobes and strobes come with 8 field selectable tone and volume combinations and 7 field selectable candela settings. The devices are
intended for indoor applications and approved for wall-mount and ceiling-mount installations. Strobes and horn strobes are available in stan-
dard and compact versions.
Two-wire horn strobes and strobes are public mode notification appliances intended to alert occupants of a life safety event. The horn is
listed to ANSI/UL 464/ULC-S525 requirements (public mode) and the strobe is listed to ANSI/UL 1638/ULC-S526 (public mode).
Two-wire amber ALERT strobes are private mode notification appliances intended to alert trained personnel to investigate a life safety event.
The 2-wire strobe is listed to ANSI/UL 1638 (Private mode). (Not listed for Canadian applications)
System Sensor notification appliances are designed to be used in 24VDC systems. System Sensor AV devices can be activated by a compat-
ible fire alarm control panel or power supply. Refer to the appropriate fire alarm control panel manufacturer or power supply for more infor-
mation.
System Sensor wall 2-wire horn strobes and strobes are electrically backward compatible with the previous generation of notification appli-
ances. They come enabled with System Sensor synchronization protocol which requires connections to a power supply capable of generating
the System Sensor synchronization pulses, a FACP NAC output configured to System Sensor synchronization protocol, or the use of a syn-
chronization module to generate the synchronization protocol.
Standard Operating Temperature: 32°F to 120°F (0°C to 49°C)
Humidity Range: 10 to 93% Non-condensing
Strobe Flash Rate 1 flash per second
Nominal Voltage: Regulated 24 VDC
Operating Voltage Range: 16 to 33V (24V nominal)
Input terminal wire gauge: 12 to 18 AWG
Wall Mounted Product Length Width Depth Mounting Options
Standard Strobe and Horn Strobe (including lens) 5.67"
(144 mm)
4.7"
(119.4 mm)
2.07"
(52.6 mm)
Standard 2-Wire Indoor Products:
4" x 4" x 1½", Single Gang, Double
Gang, 4" Octagon, SBBRL/WL
(wall), SBBGRL/WL (wall)
Compact 2-Wire Indoor Products:
Single Gang, SBBGRL/WL (wall)
Compact Strobe and Horn Strobe (including lens) 5.27"
(133.7 mm)
3.45"
(87.8 mm)
2.07"
(52.6 mm)
Standard device (including lens) with SBBRL/WL
Surface Mount Back Box
5.77"
(146.7 mm)
4.82"
(122.3 mm)
3.92"
(99.6 mm)
Compact device (including lens) with SBBGRL/WL
Surface Mount Back Box
5.38"
(136.7 mm)
3.57"
(90.8 mm)
3.62"
(92 mm)
NOTE: SBBRL/WL Surface Mount Back Box intended only for standard horn strobes and strobes. SBBGRL/WL Surface Mount Back
Box intended for compact horn strobes and strobes.
Ceiling Mounted Product Diameter Depth Mounting Options
Strobe and Horn Strobe (including lens) 6.83"
(173.5 mm)
2.07"
(52.6 mm)
2-Wire Indoor Products:
4" x 4" x 1½", Single Gang,
Double Gang, 4" Octagon,
SBBCRL/WL (ceiling)
Strobe and Horn Strobe (including lens) with SBBCRL/WL
Surface Mount Back Box
6.92“
(175.8 mm)
4.57“
(116 mm)
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