System Sensor L-Series audible visible notification
products are rich with features guaranteed to cut
installation times and maximize profits with lower
current draw and modern aesthetics.
The System Sensor L-Series offers the most versatile and
easy-to-use line of horns, strobes, and horn strobes in the industry
with lower current draws and modern aesthetics. With white and red
plastic housings, standard and compact devices, and plain, FIRE,
and FUEGO-printed devices, System Sensor L-Series can
meet virtually any application requirement.
The L-Series line of wall-mount horns, strobes, and horn strobes
include a variety of features that increase their application versatility
while simplifying installation. All devices feature plug-in designs
with minimal intrusion into the back box, making installations fast
and foolproof while virtually eliminating costly and time-consuming
ground faults.
To further simplify installation and protect devices from construction
damage, the L-Series utilizes a universal mounting plate for all
models with an onboard shorting spring, so installers can test wiring
continuity before the device is installed.
Installers can also easily adapt devices to a suit a wide range
of application requirements using field-selectable candela settings,
automatic selection of 12- or 24-volt operation, and a rotary switch
for horn tones with two volume selections.
L-Series Specifications
Architect/Engineer Specifications
General
L-Series standard horns, strobes, and horn strobes shall mount to a standard 2 x 4 x 1 7/8-inch back box, 4 × 4 × 1½-inch back box, 4-inch
octagon back box, or double-gang back box. L-Series compact products shall mount to a single-gang 2 × 4 × 17⁄8-inch back box. A universal
mounting plate shall be used for mounting ceiling and wall products for all standard models and a separate universal mounting plate shall be
used for mounting wall compact models. The notification appliance circuit wiring shall terminate at the universal mounting plate. Also, L-Series
products, when used with the Sync•Circuit™ Module accessory, shall be powered from a non-coded notification appliance circuit output
and shall operate on a nominal 12 or 24 volts. When used with the Sync•Circuit Module, 12-volt-rated notification appliance circuit outputs
shall operate between 8.5 and 17.5 volts; 24-volt-rated notification appliance circuit outputs shall operate between 16.5 and 33 volts. Indoor
L-Series products shall operate between 32 and 120 degrees Fahrenheit from a regulated DC or full-wave rectified unfiltered power supply.
Strobes and horn strobes shall have field-selectable candela settings including 15, 30, 75, 95, 110, 135, and 185.
Strobe
The strobe shall be a System Sensor L-Series Model _______ listed to UL 1971 and shall be approved for fire protective service. The strobe
shall be wired as a primary-signaling notification appliance and comply with the Americans with Disabilities Act requirements for visible
signaling appliances, flashing at 1 Hz over the strobe’s entire operating voltage range. The strobe light shall consist of a xenon flash tube and
associated lens/reflector system.
Horn Strobe Combination
The horn strobe shall be a System Sensor L-Series Model _______ listed to UL 1971 and UL 464 and shall be approved for fire protective
service. The horn strobe shall be wired as a primary-signaling notification appliance and comply with the Americans with Disabilities Act
requirements for visible signaling appliances, flashing at 1 Hz over the strobe’s entire operating voltage range. The strobe light shall consist
of a xenon flash tube and associated lens/reflector system. The horn shall have two audibility options and an option to switch between a
temporal three pattern and a non-temporal (continuous) pattern. These options are set by a multiple position switch. The horn on horn strobe
models shall operate on a coded or non-coded power supply.
Synchronization Module
The module shall be a System Sensor Sync•Circuit model MDL3 listed to UL 464 and shall be approved for fire protective service. The module
shall synchronize SpectrAlert strobes at 1 Hz and horns at temporal three. Also, while operating the strobes, the module shall silence the horns
on horn strobe models over a single pair of wires. The module shall mount to a 411⁄16 × 411⁄16 × 21⁄8-inch back box. The module shall also
control two Style Y (class B) circuits or one Style Z (class A) circuit. The module shall synchronize multiple zones. Daisy chaining two or more
synchronization modules together will synchronize all the zones they control. The module shall not operate on a coded power supply.

1. Full Wave Rectified (FWR) voltage is a non-regulated, time-varying power source that is used on some power supply and panel outputs.
2. Strobe products will operate at 12 V nominal only for 15 cd and 30 cd.
UL Current Draw Data



UL Current Draw Data

L-Series Dimensions

L-Series Ordering Information

