Refrigeration Temperature Controller; Voltage Rating 24 to 277 Volt; Control Mode On/Off, SPST; Instrument Range 5 Deg F (Differential), 58 to 86 Deg F (Dial); Operating Temperature -34 to 67 Deg F; Application Room Air Conditioner; Approval UL (Canada and US); Current Rating 16 Amp at 277 Volt AC; Terminal Size 0.25 Inch; Capillary Length 36 Inch; Includes Break-Off Shaft, Dial Knob, Mounting BracketThe Ranco® A Series Temperature Controls are designed for refrigeration applications that require defrosting the evaporator coil when the compressor is in the off cycle. The A Series is typically used in vending machines, automatic beverage dispensers, reach-in coolers and medium temperature commercial equipment.