Product Overview DesignFlex Product Overview Series P r e s s u r e V a c u u m D i f f e r e n t i a l Series Set Point range Electrical Special Features PSF100A P V D 0.1" to 50" H2O AC/DC - 30V, 40 mA Nominal SPST Double Make / Double Break Contacts Provide Shock and Vibration Resistance Dual Gold Inlay Contacts Military Approved PSF101 P V D 0.5" H2O to 50" H2O AC/DC - 30V, 40 mA Nominal SPST Variety of Housing and Port Options Gold Inlay Contacts PSF102 P V D 0.1" H2O to 30 PSI AC/DC - 30V, 40 mA Nominal SPST High Resolution Field Adjustment Mechanism Allows “Fine Tuning” of Set Point Gold Inlay Contacts PSF103 P     2.0" H2O to 60 PSI 125/250 VAC, Up To 25A SPDT Hysteresis (deadband) For Compressor or Refill Motor Control Variety of Pressure Port Options Field Adjustable PSF109S   V   -3.0" H2O to -12 PSI Vacuum 125/250 VAC, Up To 25A SPDT Hysteresis (Deadband) For Motor Control .250" Diameter or 1/8" NPT Port Field Adjustable • All above DesignFlex pressure and vacuum switches are UL-RECOGNIZED Components, File Number    E41523. • Special materials available: FDA food grade, extreme temperature, NSF approved. • Special approvals available: International and military standards. • Also see accessories.
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