PSF103 DesignFlex pressure switch, a high-current switch with controllable hysteresis and field adjustable set point.

DesignFlex PSF103 miniature pressure switch engineering drawing of high-current switch with controllable hysteresis and field adjustable set point.

Shown with Pressure Port Option #6

image of FREE pressure switch for prototyping offered by DesignFlex switches USA
FREE SAMPLE SWITCH OFFER!

See our quality for yourself. We'll build a free switch for your application. Order Now »

More Switch Info

download catalog of DesignFlex pressure switches, vacuum switches and differential switches from World Magnetics.
New DesignFlex Switches Data Sheets & Catalog

E-NEWS SIGN UP

PSF103 SWITCH SERIES

PRESSURE SWITCH | HIGH CURRENT

A wide-range field adjustable set point highlights the versatile PSF103 high-current pressure switch. Additionally, our exclusive DesignFlex™ modular components (by World Magnetics) allow you to quickly custom design a proven PSF103 pressure switch for your application. Choose from our standard PSF103 switch options or contact our vertically integrated in-house engineering team for custom switch design, unique applications / special features, rapid prototyping and prompt manufacturing turnaround.

Standard Options: high port (pressure), set point, case material, diaphragm, mounting and more.

FEATURES / BENEFITS
  • Field adjustable pressure set point, from 3" H2O to 60 psi
  • Snap action basic switch, up to 25A*, 125/250 VAC
    *Not available on all ranges
  • Many standard pressure ports and mounting options
  • Custom design and engineering available
  • Small size, lightweight, low cost
  • Dependable long life (10+ million cycles)

SPECIFICATIONS

MECHANICAL

Standard Tolerance

±20% (Tighter tolerances available)

Switch Type

SPDT (single pull / double throw) normally open or normally closed

Switching Medium

Air; compatible fluids

Mechanical Life

More than 10 million cycles

Proof Pressure

Varies by option

Operating Temp.

+40°F to +150°F (standard) | -46°F to +205°F (contact us)

PHYSICAL

Case Material

Polycarbonate (optional: Lexan 141, Supec®, Ultem®, Noryl®

Porting Options

Many standard ports

Diaphragm Material

Polyurethane (Teflon® optional with limited pressure ranges)

Contact Points

Silver (Gold available on special order)

Electrical Connections

Terminals - .187"x.020" tab-type for use with quick disconnects (ref. AMP #2-520182-2 or equivalent) .250" available - contact us

Mounting

#4 Screws through mounting lugs; #2 Screws through eyelets; mounting bracket available

Weight

Less than 20 grams

ELECTRICAL

Current Rating

Varies by option

Operating Voltage

Adjustable Pressure Set Point Options

PSF103 pressure switch chart showing set point range in Hg, H20, mbar, psi, port style and electrical rating.

PSF103 high pressure switch port options include smooth and barbed, NPT, quick-connect, high, low and flow-thru, polyurethane or teflon diaphragm.