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.
RANCO® Constant Differential Control, Series: A30, 1/4 in
- 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
- Choice of mounting brackets, adjustment ranges and cams and slotted or flatted shafts
- Standard 1/4 in quick connect terminals with optional screw terminals
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Catalog
https://assets.unilogcorp.com/267/ITEM/DOC/Robertshaw_8145_20B_Catalog.pdf
