Intelligent temperature controller for refrigeration and heating, operating range: -50°C to 99°C. Smart STC-8080H temperature sensor—durable and suitable for various applications. Compatible with tin stoves, high-temperature flumes, UV curing machines, high-temperature equipment, and film sealing machines. Suitable for vegetable farming, warehouses, domestic freezers, cold storage, poultry farming, water tanks, refrigerators, industrial chillers, boilers, steamers, and other temperature-controlled systems. STC-8080H is a universal single-sensor temperature controller featuring refrigeration control, defrost cycle control, and temperature over-limit alarm. Compressor protection delay is adjustable. Temperature over-limit alarm is configurable after power-on. Designed for refrigeration applications including refrigerators and refrigerated trucks. Main functions: - Temperature measurement, display, and control - Adjustable defrost cycle and defrost time - Temperature over-limit alarm - Compressor delay start protection - Proportional start/stop response in case of sensor fault Standard dimensions: - Front panel size: 75 mm × 34.5 mm - Cutout size: 71 mm × 29 mm - Overall unit size: 75 mm × 34.5 mm × 85 mm - Sensor cable length: 2 meters (including probe) Technical specifications: - Power supply: 220 VAC ±10% / −15%, 50/60 Hz - Power consumption: ≤3 W - Temperature measurement range: −50°C to 99°C - Temperature control range: −40°C to 50°C - Temperature resolution: 1°C - Temperature measurement accuracy: ±1°C at 50°C–70°C; ±2°C elsewhere - Refrigeration output contact rating: 10 A / 277 VAC - Defrost output contact rating: 10 A / 277 VAC - Sensor failure delay: 1 minute - Sensor type: NTC - Front panel protection rating: IP64 - Operating ambient temperature: 0°C to 60°C