Square D PumpTrol Air Compressor Pressure Switch Engineered For Sweat Free Operation With 20 Psi Fixed Differential Quarter Inch NPT Threads And A Tough Black Shell Optimized For Garage Setups Or Daily Shop Grind Tasks

PumpTrol Air Switch For Garage Compressor Pressure Setup Tasks
✔️ 1/4 NPT mounts 1.5 HP motors with stable 80 psi pressure cutoff

This single piece swaps out tired valves on smaller shop air tools. You get straightforward voltage handling that keeps your garage compressor purring without constant babysitting. The rugged NEMA box shuts out dust from daily job site routines.

✅ Diaphragm activation triggers automatic cycle control
✅ Screw terminals secure wiring without loose connection issues
✅ Built to handle routine 40 to 100 psi operating ranges

💡 How does a diaphragm operated compressor switch prevent motor burnout?
A direct contact design isolates pressure spikes from internal electronics. This protects your compressor from constant cycling stress.
- Direct airflow sensing cuts power before overload conditions build up
- Handy screw adjustments lock in precise stop settings for consistent tool output
- Standard pipe sizing makes swapping out dead units quick for weekend mechanics