• External on-demand push-for-power button
  • Settable on-time power with dip switches
  • Powers 4-20mA field devices and loop-powered external display
  • Output:
    • 18.9VDCat 4mA
    • 15.7VDC at 20mA
  • 3.6V lithium thionyl chloride battery pack (replaceable)
  • Approximately 350 hours of battery life at 4mA
  • 1/2in NPT external connection
  • 16awg internal screw terminals
  • Pushbutton or remote zeroing
  • IP64 Industrial polycarbonate UV rated enclosure
  • Class 1 Division 1 certified for hazardous locations


The SignalFire Wireless Telemetry PowerPAK power supply is a compact, instument mounted, on-demand power souce for 4-20mA and HART field instrumentation. Dip switches allow for the user to set on-time power (1 to 10 minutes or always on). The external button allows for push-for-power functionality. To conserve battery, the PowerPAK only turns on when a button is pressed. This wakes up the connected sensor to let the user see a momentary reading. The IP64 rated housing and Class 1 Division 1 certification makes the PowerPAK ideal for hazadrous location applications.