The Ranco® A22, A30 and 9530 Series Constant Differential Temperature Controls are designed to switch electrical components of refrigeration systems in response to sensed temperatures.
- Laser-welded stainless steel bellows
- Fixed or adjustable temperature settings
- High-amperage contacts
- Pneumatic action provided by vapor-filled capillary or capillary with bulb sensing elements
- Constant On or Off positions available
- Choice of mounting brackets, adjustment ranges and cams, and slotted or flatted shafts
- Standard 1/4 quick-connect terminals with optional screw terminals
Specifications:
- Series Application: A22/A30 Series Adaptable Constant Differential Control
- Switch: SPST
- Capillary Length: 84"
- Differential: 15.5 °F
- Normal Off: -6 °F
- Normal On: 9.5 °F
- Warm On: 19.5 °F
- Off Position: No
- Comments: Does not have "Off" position