Temperature Limit Controller – Close on Rise, SPST – 90°F Close / 80°F

Maintain safe and efficient temperature control in heating, ventilation, and fan-driven systems with this Close-on-Rise Temperature Limit Controller. Designed for automatic operation, this SPST (Single-Pole, Single-Throw) control closes at 90°F and reopens at 80°F, ensuring reliable fan activation and shutdown based on ambient air temperature. Ideal for fan controls, HVAC systems, greenhouse heating, and equipment requiring automatic thermal switching, this controller improves system efficiency and protects components from overheating.Key FeaturesClose-on-Rise Switching – Closes at 90°F to activate fans or equipment as temperatures riseAutomatic Reset – Reopens at 80°F for reliable, hands-free cyclingSPST Contact Form – Simple, high-reliability control for a wide range of applicationsHigh Electrical Capacity – Rated for resistive and inductive HVAC loadsSurface-Mount Installation – Easy mounting with standard hole spacingDurable Construction – Designed for continuous-use heating environmentsImproves Efficiency – Ensures fans only run when necessary to save energySpecificationsProduct Type: Temperature Limit ControllerApplication: Fan control / HVAC thermal managementSwitch Action: Close on riseContact Form: SPSTReset Type: AutomaticClosing Temperature: 90°FOpening Temperature: 80°FTemperature Differential: 10°FElectrical RatingsInput Voltage: 120V AC / 240V ACPilot Duty: 125 VAResistive Load: 25 A @ 120V AC; 25 A @ 240V AC; 21.6 A @ 277V ACInductive Load: 14 A @ 120V; 10 A @ 240VMounting & DimensionsMounting Style: Surface mountMounting Hole Diameter: 1/8″Hole Spacing: 1-5/8″ center to centerBase Length: 2″Base Width: 1-5/8″Overall Height: 1-1/2″Overall Width: 1-5/8″Overall Depth: 2-1/8″Face Diameter: 2″Terminal Type: 1/4″ spade connectorsCompliance & Additional InformationStandards: cULus RecognizedIP Rating: Not ratedWeight: 0.7 ozUNSPSC: 39121510Why Choose This Temperature Limit Controller?A failing or inaccurate thermal switch can lead to poor efficiency, overheating risks, and premature system wear. This temperature limit controller helps ensure safe, efficient, and reliable fan cycling, protecting both your heating system and overall performance.