BAPI BA/SW1A : Differential Pressure Switch, 0.1" to 0.8" WC, Switch Type: SPDT, Built-In Pressure Snubber for More Stable Readings, 5-Year Warranty
The BAPI Differential Pressure Switch monitors air filters, verifies static pressure, proves airflow, and activates auxiliary fans, all in a compact, field-adjustable package. Its rugged BAPI-Box enclosure with hinged cover simplifies installation, while 5 amp silver contacts and a built-in pressure snubber ensure reliable performance. Easily adjust the setpoint from 0.1" to 40" WC (20 to 10,000 Pa) and choose from six pressure ranges with the included color-coded springs. This versatile switch handles positive, vacuum, and true differential pressure, making it ideal for diverse HVAC applications.
Specifications
| Measurement Media: | Air, Combustion Gases | 
| Operating Environment: | -40 to 185°F (-40 to 85°C) 5 to 95% RH non-condensing Note: Not intended for outdoor use  |  
| Contact Ratings: | 5 Amp Resistive, 125 VAC | 
| Proof Pressure: | 100” WC (3.6 PSI, 24,900 Pa) | 
| Pressure Ports: | 1/4” Barbed Fittings | 
| Switch Type: | SPDT (Silver Contacts) | 
| Repeatability: | <10% of Setting | 
| Wiring: | 1/4” (6.4mm) Quick-Disconnect Terminals | 
| Agency: | RoHS | 
Datasheets
| BAPI Pressure Switch Datasheet for Submittal | |
| Differential Pressure Switch Instructions | 
- Pressure Range:
 - 0.1 to 0.8
 - Reset:
 - Automatic