Mircom MIX-5251AP


Intelligent Heat Detector, 135° Fixed Temperature

Availability: Estimated 6 Weeks

Condition: New
Brand: Mircom
Status: Obsolete
SKU: 49432
Manufacturer Part #: MIX-5251AP
Replacement: MIX-5351AP


Mircom’s low profile intelligent plug-in thernal detectors with integral communications provide features that surpass conventional detectors. Point ID capability allows each detector’s address to be set with decade address switches, providing exact detector locations. These intelligent sensors utilize a state-of-the-art thermistor sensing circuit for fast response and are designed to provide open area protection with 50 foot spacing capability.

Mircom’s Advanced Protocol (AP) devices use a high speed communication protocol that greatly increases the speed of communication between the intelligent devices. Mircom’s Advanced Protocol uses a superior group polling method as well as an interrupt feature that provide for a faster response to an alarm condition. In addition, the Advanced Protocol allows for greater system capacity with support for up to 318 devices per SLC circuit. The AP devices are backwards compatible to operate in CLIP mode for legacy system applications.

Additional information

Weight 0.2 lbs
Dimensions 4.1 × 2.0 in

Rotary Dials

Thermal Rating




Detection Method

Fixed Temperature


Production Status



  • Sleek, low-profile design
  • Available as 135°F fixed temperature, 135°F fixed temperature with rate-of-rise detection and high temperature 190°F fixed temperature
  • Dual LEDs indicate communications and activate steady when in alarm
  • Low profile base provides easy interchangeability
  • Low standby current
  • Rotary switches for direct-dial entry of address. Each unit can have address set for 01-159 for Advanced
  • Protocol mode and 01-99 for CLIP mode
  • Superior EMI protection
  • Sealed against dirt, insects, and back pressure


Advanced Protocol Intelligent Thermal Sensors: MIX-5251AP/RAP/HAP
Installation and Maintenance Instructions: MIX-5251AP, MIX-5251RAP and MIX-5251HAP Intelligent Plug-In Temperature Sensors
Mounting Bases: 200 Series


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