Norgren
Norgren Pressure Switch, G 1/4 0.2bar to 2 bar
Part: 0880200000000000
Low-pressure pneumatic switch with G1/4 thread for gas and liquid.
SMC
SMC Pressure Switch, M5, M5 X 0.8 T1, NPTF1/8, R(PT)1/8 -101kPa to 2 bar
Part: ZSE1-00-55L
SMC compact pressure switch with M5 thread for systems up to two bar.