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Process alarm equipment

MTL 725B Alarm Monitoring System – Combined Annunciator & Event Recorder

The Crouse-Hinds Series MTL 725B Combined Annunciator and Event Recorder is engineered to deliver the most advanced alarm monitoring system for industrial applications. Utilizing CANBUS® communication technology and a unique multi-redundant design, it offers an unbeatable combination of reliability, flexibility, usability, and cost efficiency. This ensures continuous performance in demanding environments.

Built on our field-proven 725 Range Alarm Annunciator, the MTL 725B is the ideal solution for monitoring critical alarms, regardless of system size or complexity. Its robust architecture guarantees accurate alarm annunciation and event recording, making it a trusted choice for safety-critical operations.

Comprehensive communication options, including Modbus Serial, TCP/IP IEC61850, and TCP/IP DNP3, enable seamless data retransmission for centralized monitoring and integration with your existing alarm monitoring systems. This ensures real-time visibility and control across your entire network.

Efficiency
Fully programmable from front
Reliability
Fewer components for high reliability
Ease of use
Ultra-bright LEDs in 6 colors

Certifications and compliances

CE Marked:

  • Designed to meet the requirements of European EMC and LVD Directives. 

Compliance:

  • Immunity to EN61000-6-2:2005
  • Emissions to EN61000-6-4:2007
  • LVD to EN61010-1:2010 
  • IEC61010-2-201

Surge Immunity:

  • To ANSI/IEEE C37.90:1989

Environment:

  • Operating temperature: -20ºC to 60ºC
  • Storage temperature: -20ºC to 80°C
  • Humidity: 0-95% RH, non condensing

Protection:

  • Front of panel: IP41
  • Rear of enclosure: IP20
  • Optional covers and enclosures to provide IP54 up to IP67 protection

Design features for our advanced alarm monitoring system

  • Multi-redundant design so there is no single point of failure
  • Modular construction – units can be assembled in almost any shape and size from 1 to 256 channels with a choice of three window  sizes and six colours
  • Interchangeable, ultra-bright white LED illumination
  • 1ms Event Recording functionality up to 256 points can be supplied
  • Fully configurable for each individual point using a standard USB connection to PC or laptop
  • Integral power supply, optional universal supply for direct connection to 85-264VAC or 88-300VDC
  • Comprehensive diagnostics, warning LEDs and common relays are used to provide indication of any problems with the alarm system
  • Flexible relays, up to 32 output relays can be used and configured as group relays, audible relays or diagnostic relays
  • Each system is supplied with 6 pushbuttons and dual audibles to cover almost all alarm applications
  • Optional protocols include RS485 Modbus, RTK/AMS (Timestamping), TCP/IP DNP3.0, IEC6185
Specifications

Ordering Information

For ordering information, please use the link below to visit the resources section for this product family
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