Davies Craig Digital Thermatic Fan Switch - Gen II with 1/4" NPT Sensor - DC0481

Digital Thermatic® Fan Switch - GEN II with 1/4" NPT Sensor 12 & 24 Volt | Part Number: 0481 (Supersedes Part No. 0445) Upgrade your cooling control with the latest GEN II Digital Thermatic® Fan Switch which includes the 1/4" NPT Sensor redesigned for improved usability, durability, and performance. Built for precision temperature management, this next-generation controller delivers smarter fan operation and enhanced installation flexibility. What’s New vs Part No. 0445 Improved Display & Layout Larger, clearer LED display with °C / °F units LED repositioned for better visibility All wiring relocated to the rear for cleaner, easier installation Faster Dual Fan Operation Second fan start-up delay reduced to 5 seconds for improved cooling response Advanced Override Control Dual manual override wires for independent fan control Selectable override signal polarity (positive or negative) Enhanced Durability Upgraded to IP67 rating for superior water and dust protection Expanded Temperature Range Adjustable from 5°C to 110°C (41°F to 230°F) Key Features Digital temperature control with easy push-button adjustment Dual relay outputs for independent fan operation Automatic fan staging for efficient cooling Memory retention of temperature settings Designed for direct coolant measurement using included 1/4" NPT thermal sensor Suitable for 12V systems (24V compatible with relay change, part #10534, sold separately) How It Works Fan 1 activates at your set temperature Fan 2 activates 5 seconds later for staged cooling Both fans switch off once temperature drops 5°C below set point Installation Flexibility Direct coolant measurement via included 1/4" NPT sensor (ideal for thermostat housing, radiator, engine block or inline adapter) Radiator probe mounting or direct coolant measurement options Inline adapter compatibility for hose installation Simple wiring with clearly labelled connections (battery, ignition, fan outputs, overrides) (Refer to installation diagrams and wiring layout shown on page 3 of the instructions for full setup guidance.) Specifications Voltage: 12V (24V compatible with relay change) Temperature Range: 5°C – 110°C (41°F – 230°F) Continuous Current: 30A (40A max) Start-Up Current: 60A Protection Rating: IP67 What’s Included (Part No. 0481) Digital Thermatic® Fan Switch GEN II 1/4" NPT Thermal Sensor Kit 1 x Temperature Probe 1 x Mounting Kit Temperature Probe 1 x Red Ring Terminal 1 x Blue Ring Terminal 2 x Blue Wire Joiner 2 x Self Tap Screws 1 x Instructions Why Upgrade? The GEN II isn’t just an update—it’s a complete usability and performance improvement over Part No. 0445. With smarter control, faster response, improved installation design, and direct coolant sensing capability, it delivers everything needed for modern cooling systems. Registered Design: The Digital Thermatic® Fan Switch (Part No. 0480) and associated design variations are protected by Registered Design rights. Unauthorised reproduction or imitation is prohibited.