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 Action | Dial Stop °F (°C) | Range °F (°C) | Cat # | Range Adjuster |
| SPST Open High | High Limit Set at 125 (52) | 25 to 215 (-4 to 102) | A25AN-1C | Knob |
| SPDT | High Limit Set at 125 (52) | 25 to 215 (-4 to 102) | A25CN-1C | Knob |
| SPST Open High | High Limit Set at 125 (52) | 25 to 215 (-4 to 102) | A25AP-1C | Concealed Screwdriver Slot |
| SPDT | High Limit Set at 125 (52) | 25 to 215 (-4 to 102) | A25CP-1C | Concealed 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 | |||
