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PENN Controls Products Catalog

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A25 Series Warm Air Limit Control with Manual Reset Description The A25 Warm Air Control Locks out on a temperature increase to the control setpoint. Manual reset is required before the electrical contacts can be reclosed. The A25 Control is normally located in a return air duct and is wired to shut down air conditioning or ventilating fans when the temperature of the air becomes excessively hot. Refer to the A25 Series Warm Air Control with Manual Reset Product Bulletin (LIT-125118) for important product application information. Applications Use for high temperature cut-out. Figure 8: A25 Series action diagram Features • trip-free reset lever does not permit restarting until the reset lever is manually released • the rod and tube type sensing element provides positive control action Selection chart Table 43: Selection chart Product Code Number Switch Action Range °F (°C) Range Adjuster Dial Stop °F (°C) A25AN-1C Single-Pole, Single-Throw (SPST), Open high 25 to 215 (-4 to 102) Knob High limit set at 125 (52) A25CN-1C Single-Pole, Double-Throw (SPDT) 25 to 215 (-4 to 102) Knob High limit set at 125 (52) Factory Mutual Approved Models A25CP-1C SPDT 25 to 215 (-4 to 102) Concealed screwdriver slot High limit set at 125 (52) 42

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