The P-B series features flameproof construction and unrivaled media compatibility making it among the most capable high pressure switches in the Precision Sensors product line. The welded bellows construction provides leak-tight integrity to 10-8 STD cc/sec He thus making the P-B ideal for closed gas systems.
Typical uses include aircraft hydraulic systems.
Typical media includes red oil, Skydrol, inert gasses.
For qualification information, please consult the sales or engineering departments.
Features
- Intended for liquid media
- Wetted material limited to 300 series CRES
- Hermetically sealed contacts
- Proven negative rate Belleville spring design for high cycle life and repeatability

Specifications *
| P8B | P11B | |
| Available settings | 300 to 3000 psig | 100 to 500 psig |
| Repeatability | 5.0 psig + 2% of setting | 2.0 psig + 2% of setting |
| Deadband | 20.0 psig + 5% of setting | 10.0 psig +4% of setting |
| Proof pressure | 5000 psig | 1000 psig |
| Operating temperature range | -65 to 250°F | -65 to 250°F |
| Typical weight | 0.3 lbm standard configuration | 0.3 lbm standard configuration |
| Electrical rating | 7 Amps max. at 28 VDC | 7 Amps max. at 28 VDC |
| Switch configuration | SPST, SPDT, DPST, DPDT | SPST, SPDT, DPST, DPDT |
| Fluid connections |
|
|
| Electrical connections |
|
|
| Warranty | 18 months | |
