4XARB-1 | Notifier System Control Unit Motherboard for RP-1001 Fire Alarm Panels Circuit Breaker The 544-342-24 is a duct-mounted

The 544-342-24 is a duct-mounted averaging temperature sensor that uses a 1K Ohm platinum RTD element with a 375 alpha coefficient

The card's PCB layout is also optimized for efficient heat dissipation

where precise control over multiple devices is required

real-time control

4XARB-1 | Notifier System Control Unit Motherboard for RP-1001 Fire Alarm Panels Circuit Breaker The 544-342-24 is a duct-mountedDescription The Notifier 4XARB 1 System Control Unit is a motherboard assembly designed for use with Notifier RP 1001 and related fire alarm control panels. It functions as the central signaling and processing board, managing system inputs, outputs, and alarm communications. Technical Specifications Condition New Never Used Surplus Brand Notifier Category Fire Alarm Equipment Part Number 4XARB 1 Subcategory System Control Unit Component Type Main