NEMA Pressure Switch Single Phase S-4100688 is suitable for most direct drive and belt driven single phase piston compressors.
The 3 x 1/4″ ports are commonly used for safety valve, pressure gauge and a regulator outlet.
Specification:

£52.74 Original price was: £52.74.£36.95Current price is: £36.95. (inc.vat £44.34)
NEMA Pressure Switch Single Phase S-4100688 is suitable for most direct drive and belt driven single phase piston compressors.
The 3 x 1/4″ ports are commonly used for safety valve, pressure gauge and a regulator outlet.
Specification:
Belt Driven: Nuair Piston
Nuair 200L 4HP Static Air Compressor (20 amp) | 18 CFM | S-36LN684FPS144
For Single Phase
NEMA 16 Amp 230V Pressure Switch | Inlet 1/4″ | No Side Ports
For Three Phase
Single Phase Screw Compressors
Belt Driven: Nuair Piston
100L Belt Drive Compressor | 3Hp | 10 Bar | Nuair S-28FN504FPS140
For Three Phase
Belt Driven: Nuair Piston
Nuair 200L Static Air Compressor | 13.95CFM | 3HP Single Phase | 16A | S-36LN504FPS141