LiftMaster LMHS24R Fire-Rated Horn Strobe, Red

Fire-Rated Horn Strobe with Selectable Output for Indoor Alerts

The LiftMaster LMHS24R is a fire-rated, red horn strobe designed for indoor wall-mount applications requiring audio-visual emergency alerts. This 2-wire unit features auto voltage detection and supports both 12V and 24V DC systems, making it ideal for integration into a wide range of fire alarm and life safety systems. With field-selectable candela settings and dual-tone horn output, it delivers flexible and reliable notification performance.

Key Features

• Auto voltage selection: 12V (15 cd) or 24V (30 cd)
• Selectable candela output: 15, 30, 75, 95, 110, 135, 185
• Horn output: 88+ dBA at 16V with tone and volume adjustment
• Rotary switch for horn tone and volume control
• 2-wire connection for easy installation
• Wall-mount design for indoor use only
• Fire-rated and UL listed for safety compliance

Technical Specifications

• Model: LMHS24R
• Voltage: 12/24 VDC regulated (auto-select)
• Operating Range: 8–17.5V (12V), 16–33V (24V)
• dBA Output: 88+ dBA at 16V
• Flash Rate: 1 flash/sec
• Temperature Range: 32°F to 120°F (0°C to 49°C)
• Humidity Range: 10%–93% non-condensing
• Dimensions (Horn + Strobe): 5.6" L × 3.46" W × 1.91" D
• Mounting Type: Indoor wall-mount
• Wire Type: 2-wire system

Conclusion

The LiftMaster LMHS24R horn strobe provides dependable visual and audible alerts in fire alarm and life safety systems. Its wide voltage range, adjustable output, and field-selectable settings make it a flexible and compliant solution for commercial or institutional indoor installations.