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Johnson Controls A25 Series Warm Air Limit Control with Manual Reset

Warm Air Limit Control with Manual Reset
A25 Series

The A25 warm air control locks out on a temperature increase to the control set point. Manual reset is required before the electrical contacts can be reclosed. The A25 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.

• 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

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

Switch ActionDial Stop °F (°C)Range °F (°C)Cat #Range Adjuster
SPST Open HighHigh Limit Set at 125 (52)25 to 215 (-4 to 102)A25AN-1CKnob
SPDTHigh Limit Set at 125 (52)25 to 215 (-4 to 102)A25CN-1CKnob
SPST Open HighHigh Limit Set at 125 (52)25 to 215 (-4 to 102)A25AP-1CConcealed Screwdriver Slot
SPDTHigh Limit Set at 125 (52)25 to 215 (-4 to 102)A25CP-1CConcealed Screwdriver Slot
Motor Ratings VAC: 120 208 240 277
AC Full Load A: 16.0 9.2 8.0
AC Locked Rotor A: 96.0 55.2 48.0
Non-Inductive A: 16.0 A at 120/277 VAC      
The maximum element temperature is 300°F (149°C).
Pilot Duty: 125 VA, 24 to 600 VAC


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