SMC IS1000E-404YL-X251 pressure switch *lqa MSRP: Now: $60.85 Was: smc's is10 pressure switch is 16% lighter, and 11% smaller when compared to the is1000. the is10 is rohs compliant and ce marked. set pressure range is 0.1 to 0.4mpa (optional 0.1 to 0.6 mpa). ... IS1000E-404YL-X251