... controller, (-40~110C), 3 Relay outputs(10A), Defrosting, Alarm, 2 NTC Probes, High-quality, Low-price. TEH-K300 series ... temperature: -5...55°CStorage temperature: -30...85°CAmbient humidity for use and storage:0...90% RH (non-condensing) Detailed ... consumption3 VA MaxControl algorithms optionsFuzzy, compressor protection system,Alarms1 alarm for all errorsWorking temperature-5 to 50 °C (32 to ...