The MRI-4003-LF low frequency sounder base is designed to meet NFPA 72 requirements for sleeping areas operating within a frequency range of 520 Hz ± 10%, ensuring the most effective alarm to awake individuals during emergencies.
Features:
- Comprehensive Compliance: Fully meets NFPA 72 for low frequency sounder codes
- Optimal Alarm Tone: Emits a 520 Hz ± 10% square wave tone
- Localized Alarm Sounding: Built-in alarm sounding capability for all MRI-4000 detectors
- Cost and Space efficiency: Eliminates the need for external sounder, reducing installation costs and saving space
- Configurable Operation: Audible tone patterns and sound levels are selectable via the MGC MP configurable tool at the FACP
- Temporal
- Continuous
- 20 BPM
- March
- Advanced Compatibility: Compatible with Class A, Class X, Class B wiring, and can be mapped to any device connect on the FACP.
- Efficient Operation: Does not require SLC loop address, using MRI-4000 sensor sub-point addressing for seamless integration.
- Versatile Mounting Options: Can be mounted on various electrical boxes, single gang, double gang, 4″ square and 4″ octagon boxes
- Mounting plate included to simplify wiring for easier and faster installation
- Listed for both wall and ceiling mounting
Ordering Information:
- MRI-4003-LF: 4000 Series Low Frequency Sounder Base
Agency Listings:
- UL 268
- UL 464
- ULC S529
- ULC S525
*Please contact local Mircom Sales Representative for regional availability.
