Input power: 22-26 VDC, 120 mA max.
Output relay contacts: one normally open flame relay and one normally open fault/self-check relay, 1A, 30 VDC.
Ambient temperature: -40°F to 158°F (-40°C to 70°C).
Analog flame signal: 0-20 mA or 4-20 mA output.
Enclosure: IP66, 1" NPT mounting.
Adjustable flame on/off threshold.
Not adversely affected by x-rays and gamma rays.