AIR COMPRESSOR PRESSURE SWITCH SINGLE PHASE 

SUITABLE FOR SINGLE PHASE COMPRESSORS 1 - 3HP

This 240V Air Pressure Switch is Suitable for most types of single phase compressors 1-3 HP. 

The four port manifold configuration allows for easy installation of accessory valves and Gauges 

This pressure Switch can be fitted to your compressor easily and is interchangeable with any brand of air compressor 

This switch is used to regulate tank pressure between two pre-set values on standard electric air compressors

It is fitted with an unload-er valve which prevents the compressor starting under load

 and an auto On/Off button for manual compressor shut off 

 Please note this Compressor Switch has 4 X 1/4" BSP Ports (13.2mm O/S Diameter) 

Please measure the size of the Thread on your Receiver Tank by using the BSP Data below before making a purchase  

If you require a 3/8" or 1/2" BSP Adaptor it can be purchased from our shop eBay item number: 171997261031

BSP (British Standard Pipe) Thread Data

1/4" BSP = 13.2MM O/S Diameter

3/8" BSP = 16.7MM O/S Diameter

1/2" BSP =    21MM O/S Diameter

Operating pressure factory preset: 90psi -120psi

The pressure can be adjusted to suit your requirements

Max pressure: 145psi Minimum pressure: 60psi

Differential pressure: 30 - 45psi Not Adjustable

3 x 1/4" BSP ports

1/4" BSP Connection to compressor