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Ranco electronic temperature control unit, rectangular white enclosure with digital display

Ranco

Ranco ETC-212000-000 Electronic Temperature Control

SKU CH-0B0S-VSZVD

Electronic temperature control for heating or cooling with dual-stage SPDT switching and a -30 to 220 °F range

  • TypeElectronic Temperature Control
  • Dual-stage control handles heating and cooling
  • IP67 rating protects against dust and water immersion
  • Digital display shows temperature clearly
  • Wide range from -30 °F to 220 °F
  • Adjustable differential from 1 °F to 30 °F

Ranco ETC-212000-000 Temperature Control

The Ranco ETC-212000-000 is an electronic temperature control designed for heating or cooling regulation. It operates on a 24V AC supply and provides dual-stage control with SPDT contacts. The unit features a digital display and an IP67-rated enclosure rated NEMA 1, suitable for demanding environments.

Suitable Applications and Limits

This control suits installers needing precise temperature management between -30 and 220 degrees Fahrenheit with adjustable differentials from 1 to 30 degrees. It is not for systems requiring variable voltage output or voltage inputs other than 24V AC. Buyers needing different contact forms or higher stage counts should look elsewhere.

Critical Specification: Input Voltage

The 24V AC input voltage is the single specification that determines compatibility. The control will not operate on line voltage or DC supplies without an external transformer. Verify the supply voltage matches exactly before installation.

Highlights

  • Dual-stage control handles heating and cooling
  • IP67 rating protects against dust and water immersion
  • Digital display shows temperature clearly
  • Wide range from -30 °F to 220 °F
  • Adjustable differential from 1 °F to 30 °F

Specifications

BrandRANCO
TypeElectronic Temperature Control

Questions about this item

How can I confirm the digital display is showing the correct temperature after wiring the 24V AC supply?

Power the control with 24V AC, set a target temperature, then watch the digital display and verify the SPDT contacts switch the load on or off when the sensed temperature crosses the set point plus or minus the differential you selected.

What comes in the box and what extra parts such as a temperature sensor or 24V AC transformer must I purchase separately?

The package contains the electronic temperature control unit only; a compatible temperature sensor and a 24V AC power transformer are not included and must be sourced separately.

Which differential setting should I choose between the minimum 1 Degree F and maximum 30 Degrees F for tight temperature control?

Select a differential close to 1 Degree F when you need the tightest possible control band, and increase it toward 30 Degrees F to reduce short-cycling on systems that cannot respond quickly.

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