Temperature range

1. WP-K (K50) Series: This is the prototype of all thermostats brand RANCO. Not only can the temperature and differential of the model be easily adjusted in wide ranges, the forced cutoff (manual cutoff) and forced refrigeration may also be set to function. The WP-K series are mainly used in the refrigerators, the cold-drinker, the exhibition cabinets, family & automobile air conditioners and frost-free fridge.
Available temp:-36+36
Differential:0.514
          
2. WD-K (K59): Series: The series is featured by its temp-fixing and resetting, widely used in family double-gate fridge, freezer, and cold storage etc. Its single-pole switch can be forced off and on by hand easily.
Available temp:-36+10
Differential:Max=45              
            
3. WS-K (K60) Series: This series is capable of half automatic defrosting and suitable for freezing machines like cold storage, cold-only fridge.
Available temp:-36+36
Differential:514
Thawing frost:+2+9