Features: Designed to switch electrical components of refrigeration systems inresponse to sensed temperaturesLaser-welded stainless steel bellowsHigh-amperage contactsPneumatic action provided by vapor-filled capillaryor capillary with bulb sensing elementsReadily adaptable to nearly all commercial refrigerators and freezersBreak-off shafts are included with installation instructions for easy,fast installationConstant On or Off positions availableChoice of mounting brackets, adjustment ranges and cams, andslotted or flatted shaftsStandard 1/4" quick-connect terminals with optional screw terminals Specifications: Manufacturer: RancoManufacturer Part Number: A30-311Product Type: Refrigeration ControllerCapillary Length: 42"Normal On: 0 Degrees FNormal Off: -14 Degrees FDifferential: 14 Degrees FSwitch Type: SPSTDimensions: 5.45" x 4.5" x 2.95"Weight: 2.0 lb. Tech Sheet