System Sensor L-Series Indoor Selectable Output Low Frequency Sounder Strobe

The System Sensor L-Series Indoor Selectable Output Low Frequency Sounder Strobe is a cutting-edge alarm signaling device designed to meet the highest safety standards. Certified to UL 1971 and UL 464 for public mode evacuation, this device is tailored for diverse indoor environments such as commercial buildings, educational institutions, and healthcare facilities. With its innovative low frequency sound output, the L-Series is particularly effective in alerting individuals with hearing impairments, ensuring comprehensive safety for all occupants.

Featuring a full candela strobe offering, the L-Series provides high candela settings essential for ADA-compliant sleeping spaces, while also offering lower candela settings to optimize current draw for applications such as nursing homes. This versatility is further enhanced by field-selectable candela settings that allow customization based on specific needs, maximizing both safety and efficiency. The updated modern aesthetics of the L-Series make it an attractive addition to any setting, seamlessly integrating into your fire alarm system.

Installation is made straightforward with the plug-in design that minimizes intrusion into the back box. The mounting plate includes a shorting spring to check wiring continuity before installation, ensuring a reliable setup. The L-Series is electrically compatible with legacy SpectrAlert and SpectrAlert Advance devices, serving as a direct replacement for older models. Whether you choose the wall or ceiling-mounted units, the L-Series is designed for ease of use and effective performance in any situation.

Key Features

• Plug-in design with minimal intrusion into the back box
• Compatible with MDL3 sync module
• Updated modern aesthetics for enhanced visual appeal
• Field-selectable candela settings: Wall units (15, 30, 75, 95, 110, 135, and 185) and Ceiling units (15, 30, 75, 95, 115, 150, and 177)
• Rotary switch for High/Low, Temp3, Temp4, and Continuous settings
• Sounder-only models also offer a Coded setting
• Mounting plate shorting spring checks wiring continuity before device installation
• Electrically compatible with legacy SpectrAlert and SpectrAlert Advance devices
• Available for both ceiling and wall mounting

Technical Specifications

Models Available
Red, White

Voltage
24 VDC

Current Draw
0.15 - 0.25 A

Sound Output Levels
75 dBA, 85 dBA, 95 dBA

Operating Temperature Range
32°F to 120°F (0°C to 49°C)

Humidity Range
10 to 93% non-condensing

Frequency Range
520 Hz ± 10%

Strobe Flash Rate
1 flash per second

Nominal Voltage Low Frequency Sounder
Regulated 24 VDC/FWR1

Operating Voltage Range
16 to 33 V (24 V nominal)

Operating Voltage Range MDL3 Sync Module
16.5 to 33 V (24 V nominal)

Input Terminal Wire Gauge
12 to 18 AWG

Dimensions
Wall Sounder Strobe Dimensions (including lens): 5.6" L x 4.7" W x 1.9" D (142 mm L x 119 mm W x 49 mm D)
Standard Wall Sounder Dimensions: 5.6" L × 4.7" W × 1.5" D (142 mm L × 119 mm W × 38 mm D)
Compact Wall Sounder Dimensions: 5.25" L x 3.46" W x 1.5" D (133 mm L x 88 mm W x 38 mm D)
Ceiling Sounder Dimensions: 6.8" diameter x 1.4" high (173 mm diameter x 36 mm high)
Standard Wall Sounder with SBBRL/SBBWL Surface Mount Back Box: 5.7" L x 4.8" W x 3.3" D (145 mm L x 120 mm W x 87 mm D)
Compact Wall Sounder with SBBGRL/SBBGWL Surface Mount Back Box: 5.4" L x 3.6" W x 3.0" D (137 mm L x 91 mm W x 76 mm D)
Low Frequency Ceiling Sounder with SBBCRL/SBBCWL Surface Mount Back Box: 6.9" diameter x 3.9" high (175 mm diameter x 99 mm high)

Weight
0.95 lbs