Ranco
Ranco O10-1408 temperature control -15 to 40 F 72 in capillary SPST 24 A
Temperature control for refrigeration and freezer units, operating from -15 to 40 °F with a 72 in capillary and SPST contacts rated at 24 A
- Controls refrigeration from -15 to 40 F for precise temperature management
- 72 in capillary with remote bulb enables flexible mounting in tight spaces
- SPST contact rated 24 A handles compressor loads directly
- Automatic reset restores operation without manual intervention after fault
- UL listed construction meets recognised safety standards for commercial use
Refrigeration Temperature Control
The Ranco O10-1408 is a single-pole single-throw thermostat designed for refrigeration and freezer systems. It suits technicians and facility managers who need direct temperature regulation for cooling equipment. The automatic reset function restores operation after a fault without manual intervention.
Range and Capacity
The control operates between -15 and 40 degrees Fahrenheit with a 72-inch capillary and remote bulb for flexible placement. It handles a full load current of 24 amps and locked rotor amps of 144 amps. Pilot duty contacts are rated at 144 VA for control circuit switching.
Upgrade Context
This unit replaces failed or outdated mechanical thermostats in existing refrigeration cabinets and freezers. The jump is worth it when the original control no longer holds calibration or the capillary length is insufficient. Buyers needing programmable logic or digital readouts should look elsewhere.
Highlights
- Controls refrigeration from -15 to 40 F for precise temperature management
- 72 in capillary with remote bulb enables flexible mounting in tight spaces
- SPST contact rated 24 A handles compressor loads directly
- Automatic reset restores operation without manual intervention after fault
- UL listed construction meets recognised safety standards for commercial use
Specifications
| Brand | RANCO |
|---|
Questions about this item
Will the 72 in capillary reach the evaporator on my older walk-in freezer?
The 72 in capillary with remote bulb is long enough for most walk-in evaporators; route it away from sharp edges and secure the 3/8 in diameter bulb where it senses return air.
How can I verify the SPST contacts are switching at the -15 to 40 F set-point?
Set the dial, then use a thermometer at the bulb; the compressor should start and stop within a degree or two of the chosen temperature, confirming automatic reset action.
Does the control include mounting hardware or must I supply screws and a wiring box?
The package provides seven adjustment screws for calibration; you will need to supply mounting screws, a suitable enclosure and wire rated for 24 A full-load current.
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