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Johnson Controls A11 Series Low Temperature Cutout Control

Low Temperature Cutout Control
A11 Series

The A11 Series low temperature cutout controls incorporate a 20-foot long spotsensitive, vapor-charged sensing element. The A11 reacts to the coldest 14- to 16-inch section of the sensing element. The A11 is suitable for monitoring the face temperature of hot water coils for freeze protection.

• snap-acting switch
• external temperature scale
• easy setpoint adjustment with top or bottom access

Select a link under the "item" tab below to order.

Cat #Switch ActionDiff F°(C°)Bulb and CapillaryRange AdjusterRange °F (°C)1
A11A-1CSPST Open LowManual Reset20 ft of 1/8 in. O.D. Tubing, 4 ft Cap.Screwdriver Slot35 to 45 (2 to 7)
A11B-1CSPST Open Low8 (4.4) (Fixed)20 ft of 1/8 in. O.D. Tubing, 4 ft Cap.Screwdriver Slot35 to 45 (2 to 7)
A11D-5CSPDT Open LowManual Reset20 ft of 1/8 in. O.D. Tubing, 4 ft Cap.Screwdriver Slot35 to 45 (2 to 7)
A11E-6CSPDT Open Low8 (4.4) (Fixed)20 ft of 1/8 in. O.D. Tubing, 4 ft Cap.Screwdriver Slot35 to 45 (2 to 7)
Ambient Temperature of Control: 0-140°F (-17.8 - 60°C)
Maximum Element Temperature: 250°F (121°C)


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