Value Brand
Value Brand Snap Disc Control Auto Reset Opens 180°F
Automatic-reset limit switch opens at 180 °F and resets at 160 °F for 120–240 V circuits
- Automatic reset restores operation after cooling
- Opens at 180°F to protect against overheating
- SPST switch breaks circuit on temperature rise
- Rated for 120 to 240 volts AC systems
- Bronze construction with C93200 cast bronze material
Snap Disc Control Auto Reset
The Value Brand snap disc control is an automatic reset limit switch designed for HVAC systems. It opens on temperature rise between 160 and 180 degrees Fahrenheit with a differential of 20. The single pole single throw action suits equipment protection and cycling duties. Rated for 120 to 240 volts, it fits standard control panels.
Sustained Load Behaviour
Under continuous operation the bronze C93200 cast bronze construction resists corrosion and maintains calibration. The automatic reset function restores the circuit once temperature falls below the open point without manual intervention. Differential values of 10, 14 and 20 provide options for narrow or wide cycling bands. Rated current of 25 amps at 480 volts supports heavy control circuits.
Replacement And Upgrade Scope
This control replaces failed fixed temperature limits or manual reset switches in heating equipment. The jump is worth it when field adjustable differentials of 10, 14 or 20 are needed to stop short cycling. It does not suit applications requiring a fixed 25 amp resistive rating above 240 volts or environments outside the 160 to 180 degree range.
Highlights
- Automatic reset restores operation after cooling
- Opens at 180°F to protect against overheating
- SPST switch breaks circuit on temperature rise
- Rated for 120 to 240 volts AC systems
- Bronze construction with C93200 cast bronze material
Specifications
| Brand | ZORO SELECT |
|---|
Questions about this item
How much heat does the 180 °F snap disc generate when it cycles continuously all day?
The control is a passive thermal switch; it produces no measurable heat of its own during operation.
What voltage supply must already be present for the 120-240 V control to function?
A 120 V to 240 V AC circuit is required; the switch carries up to 25 A at those voltages.
Will the 1 in high by 2 3/4 in wide housing fit the same bracket as my older 160 °F limit switch?
Yes — the 1 in height, 2 3/4 in width and 1 1/2 in depth match common snap-disc mounting patterns.
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