Product overviewPS80-L Low Thermal Drift pressure switch is designed for precise high-pressure monitoring in extreme thermal environments while maintaining mechanical and electrical compatibility with PS80 high-pressure switch platforms. The unit features hermetic sealing and materials selected to minimize actuation drift (±2%) across wide temperature ranges, enabling retrofit or new installations with minimal modification and IP67 environmental protection.
Features- Low thermal drift (actuation drift ±2%)
- Hermetically sealed construction
- Environmentally sealed leads
- IP67 rating
- ATEX certification in progress (expected early 2026)
- Flexible set point range for high-pressure applications
- Single Pole Single Throw (SPST)
- Normally open and normally closed options
- NCKL-certified ignition protected
Applications- HVAC/R (heat pumps, refrigeration)
- Engine oil pressure monitoring
- Compressors and pumps
- Process control systems
- Industrial automation
- Agricultural and construction equipment
- Vehicle control systems
- Data centers
- General industrial high-pressure systems
Technical specifications- Operating pressure: 100 to 700 PSIG
- Proof pressure / set point ranges: 100–500 PSIG and >500 PSIG
- Proof pressure values: 500 to 1000 PSIG; 800 to 1200 PSIG
- Burst pressure: 5000 PSIG
- Life at rated current: 100,000 cycles
- Compatible refrigerants: R410a, R22, R134a, R407c, CO2 (R333a), A2L (R32, R454A, R454B, R454C); A3 compatible
- Electrical ratings: 120/240 Vac - 6.0 FLA, 36 LRA; 120/277 Vac - 375 VA pilot duty; 24 Vac - 125 VA pilot duty
- Dielectric strength: 750 Vrms (open contacts); 1550 Vrms (terminals to fitting/ground)
- Electrical connection: wire lead quick connect (contact factory for additional options)
- Ambient temperature (UL rating): -20ºF to 176ºF (-29ºC to 80ºC)
- Fluid temperature (UL rating): -65ºF to 275ºF (-54ºC to 135ºC)
- IP rating: IP67
- Sealing: hermetically sealed