Description
The MT4-115 Series offers reliable, high-performance audible and visual signaling for fire alarm and emergency communication systems. UL Listed under Standard 464 for Fire Protective Signaling Service and Standard 1638 for visual signaling, and ULC Listed under ULC525 and ULC526, these appliances meet stringent safety standards for both U.S. and Canadian applications.
Designed for wall-mounted installation, the MT4-115 is suitable for indoor and outdoor use when paired with specified backboxes. Each unit features eight field-selectable alarm tones and configurable sound output levels-HIGH (HI) or STANDARD (STD) dBA-to accommodate a range of environments. The integrated 15 candela LED strobe meets NFPA 2016 light pulse duration requirements, ensuring effective visual alerting.
With separate terminals for audible and strobe functions and included shunt wires for simultaneous activation, the MT4-115 Series delivers flexible, code-compliant performance for commercial, industrial, and institutional applications.
Features
Multi-Tone Audible Signaling
Offers eight selectable alarm tones, providing flexibility for various
notification needs across different environments.
Dual Sound Output Levels
Field-configurable to HIGH (HI) dBA or STANDARD (STD) dBA,
allowing customization based on ambient noise levels and
application requirements.
Integrated LED Strobe
Equipped with a 15 candela (cd) LED strobe, meeting NFPA 2016
requirements for a 20 ms light pulse duration-ensuring effective
visual alerting in fire alarm systems.
UL & ULC Listed for Safety Compliance
Certified under UL 464 (Audible) and UL 1638 (Visual), as well as
ULC525 and ULC526 for fire alarm systems in Canada-ensuring
trusted performance and regulatory compliance.
Indoor/Outdoor Wall Mount Design
Designed for wall mounting only, suitable for both indoor and
outdoor use when installed with specified backboxes—ideal for
versatile deployment scenarios.
Independent or Combined Activation
Features separate input terminals for audible and strobe functions,
with shunt wires included for simultaneous operation via a single
input circuit-simplifying installation and wiring.
No additional trimplate required for flush mounting.
