... -K300 Refrigeration controller, (-40~110C), 3 Relay outputs(10A), Defrosting, Alarm, 2 NTC Probes, High-quality, Low-price. TEH-K300 series ... outputs(10A) 250VaPower consumption3 VA MaxControl algorithms optionsFuzzy, compressor protection system,Alarms1 alarm for all errorsWorking temperature-5 to 50 °C (32 ...