Ranco O10-1010 Temperature Control

The Ranco O10-1010 is a heavy-duty, single-pole single-throw (SPST) medium temperature control engineered for precision in demanding refrigeration and HVAC environments. Designed to open on temperature rise, this O Series temperature control features a broad 0°F to 55°F adjustment range, making it a critical component for walk-in coolers, reach-in refrigerators, and display cases. It utilizes a 48-inch capillary tube for accurate remote sensing, allowing for flexible mounting within a NEMA 1 enclosure. The Ranco O10-1010 is built with laser-welded bellows to ensure long-term mechanical reliability under high-cycle conditions. Technicians can achieve exact calibration using the seven-revolution range adjustment screw, which provides a mechanical thermostat differential adjustable from 7°F to 55°F. With a robust electrical rating for 120V and 240V AC applications, this refrigeration temperature controller provides the dependable load switching required for motor, compressor, or pilot duty circuits, ensuring stable thermal management and system efficiency in professional installations.

• Wide Range Versatility: The 0°F to 55°F range supports various medium-temp refrigeration applications and air conditioning systems.
• Precision Adjustment: Features a high-accuracy 7-revolution screw for fine-tuning cut-in and cut-out points.
• Durable Construction: Laser-welded bellows and a non-conductive NEMA 1 cover provide enhanced protection against vibration and electrical shorts.
• Universal Compatibility: Compact design and 48" capillary allow for direct replacement of many Robertshaw, Penn, and Johnson Controls units.

How do I adjust the differential on the O10-1010?
The differential is adjusted via the internal screw, allowing for a 7°F to 55°F variance between cut-in and cut-out settings to prevent short-cycling.

Can this control be used for heating applications?
No, this specific model is designed to open on rise (Standard Cold Control), typically used for cooling or refrigeration cycles.

What is the maximum capillary temperature load?
The sensing element is optimized for the 0°F to 55°F range; avoid exposing the capillary or bulb to extreme temperatures beyond the manufacturer's specified ambient limits to prevent calibration drift.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.