2025 16A/30A Digital Temperature Controller Thermostat Thermoregulator Refrigerator Freezer Refrigeration Defrosting Alarm

Good luck with your favorite purchases2025 16A/30A Digital Temperature Controller Thermostat Thermoregulator Refrigerator Freezer Refrigeration Defrosting Alarm

Please note: There are three models to choose from: 251C dual sensor temperature controller 30A; 3B21 touch screen temperature controller 16A; 3B23 touch screen dual sensor temperature controller 16A.

Model: 251C dual sensor temperature controller 30A Specifications: Power supply: 230VAC+10% 50/60Hz Rated current of the relays: 30A/250V AC Use temperature:-5°C~55°C Display resolution: 1°C/0.1°C Relative humidity:10%-90% RH (not condensing) Storage temperature:-30°C~85°C Accuracy: NTC:+0.5°C(-30°C-50°C),others, +1°C Temperature controlling range: NTC probe:-50...150°C(-50...302°F) Product:Length 81xWidth 36 xDepth 76(mm) Model: 3B21 touch screen temperature controller 16A Specifications： Operating temperature: from 0 to 55 °C (from 32 to 131°F). Storage temperature: from -25 to 70 °C (from -13 to 158°F). Humidity for use: from 10 to 90 % relative humidity without condensate. Power supply: 230 VAC (+10 %-15%), 50...60 Hz(+3 Hz), 2 VA. Analog inputs PTC (990@25°C,77 F) Type of sensor: KTY 81-121. Analog inputs NTC (10 K@25°C, 77 F) Product size:78.0 x 36.0 x 37.0 mm Model: 3B23 touch screen dual sensor temperature controller 16A Specifications：Operating temperature: from 0 to 55 °C (from 32 to 131°F).Storage temperature: from -25 to 70 °C (from -13 to 158 °F).Humidity for use: from 10 to 90 % relative humidity without condensate.Power supply: 230 VAC (+10 %-15%), 50...60 Hz(+3 Hz), 2 VA.Analog inputs PTC (990@25 C, 77°F)Analog inputs NTC (10 K@25°C, 77 °F)Digital inputs (free of voltage contact 5 VDC 1.5 mA)Size:75.0 x 33.0 x 59.0 mm (2.952 x 1.299 x 2.322 in; Lx Hx P)