A11 Series low temperature cutout controls are available with Single-Pole, Single-Throw (SPST) or Single-Pole, Double-Throw (SPDT) contact action. Typical applications include the sensing of low temperature conditions to avoid over cooling or icing of hydronic coils, cooling coils, and liquid-handing pipes. The controls are compact and sturdy, and have an adjustable temperature setpoint range with a fixed differential. The range adjustment screw is accessible at the bottom of the control, and at the top of the control when the cover is removed.
The A11A Model is Single-Pole, Single-Throw (SPST), Open Low, Manual Reset.
Features
▪ Precision Repeat Accuracy: Remains unaffected by ambient temperature at the control diaphragm cup and 4 ft (1.2 m) capillary (20 ft [6.1 m] sensing bulb must be in the controlled area).
▪Trip-Free Manual Reset: Allows the lever to reset. You must press and release the lever before operation resumes.
▪ Recision Snap-Acting Contacts in a Dust Protected Enclosure: Enables the A11 to operate to the fullest potential
▪ Direct Reading Scale: Provides easy to adjust setpoint. Adjustments can be made from the top or bottom of the control.
