Overview Honeywell R24 Series Heat Sequencers are solid-state positive temperature coefficient (PTC) heaters that mount in any position. Quick-connect terminals speed up installation and the R24 Series Heaters Conveniently replace a wide range of models. Features Solid-state PTC Heaters Quick-connect terminals Shock and vibration resistant Mounts in any position Contact ratings - to 25 Amps at 120 or 240 Volts, and 12.5 Amps at 480 Volts Full-load rating auxiliary contacts Standard operating ambience temperature between -40 C and 73.8 C (-40 F and 165 F) UL approved, CSA/CUR approval pending Product Specifications ApplicationElectric Heat Item TypeProduct Approvals, Underwriters Laboratories Inc.UL File 237660 Electrical ConnectionsSolder or screw type 1/4 in. quick connect Contact Ratings (resistive)25A Resistive and 14A Inductive at 120Vac Input Voltage24V Number of switches/devices1 Number of on-timings1 Timing DelayOn-timing -- 1 to 20 sec: Off-timing-- 40 to 110 sec