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Cleveland Controls DFS-221-112 Pressure Sensing Switch with Barbed Fitting Fixed 0.05" W.C.

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Cleveland Controls DFS-221-112 Pressure Sensing Switch with Barbed Fitting Fixed 0.05" W.C.
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Cleveland Controls DFS-221-112 Pressure Sensing Switch with Barbed Fitting Fixed 0.05" W.C. Cleveland Controls DFS-221-112 Pressure Sensing Switch with Barbed Fitting Fixed 0.05" W.C. Cleveland Controls DFS-221-112 Pressure Sensing Switch with Barbed Fitting Fixed 0.05" W.C.

Cleveland Controls DFS-221-112 Pressure Sensing Switch with Barbed Fitting Fixed 0.05" W.C.

SKU: DFS-221-112
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$47.37    $26.79     /ea
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DFS-221-112
Model DFS- 221-112 is an airflow proving switch designed for duct heater, oven, and other HVAC or Energy Management applications where an open-mounted, nonadjustable switch is desirable. It can be used to sense positive, negative, or differential air pressure. The plated housing contains a diaphragm and a snap-acting SPDT switch that operates on pressure rise of 0.05″w.c., ± 0.02″ w.c. The snap switch has ¼” 90º quick connect spade terminals. The DFS–221-112 is equipped with two barbed sample line connectors that accept flexible tubing. The electrical connection consists of ¼" 90º quick connect spade terminals. The SPDT snap action switch operates on pressure rise of 0.05 ± 0.02" w.c.

 
Mounting Position Mount with the diaphragm in any vertical plane to obtain specified operating set point.
Set Point Fixed to operate on pressure rise at 0.05±0.02"w.c. (1.27±0.508 mm)
Maximum Pressure ½ psi (0.03 bar)
OPerating Temperature Range -40 ºF to 180 ºF (-40 ºC to 82 ºC)
Electrical Rating 300 VA pilot duty at 115 to 277 VAC, 15 amps noninductive to 277 VAC, 60 Hz

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