Detailed Switch Specs PDF »

PSF109S SWITCH SERIES

SENSING VACUUM SWITCH | HIGH CURRENT

A NEW controllable hysteresis (deadband) and wide-range field adjustable set point highlight the versatile PSF109S high-current vacuum switch. Additionally, our exclusive DesignFlex™ modular components (by World Magnetics) allow you to quickly custom design a proven PSF109S vacuum switch for your application. Choose from our standard PSF109S 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: low port (vacuum), set point, case material, diaphragm, mounting and more.

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FEATURES / BENEFITS

• Controllable hysteresis (deadband)
• Field adjustable vacuum set point, from -3" H2O to -12 psi
  (-2" H2O available as fixed set point)
• Snap action basic switch, up to 25A*, 125/250 VAC
  *Not available on all ranges
• .250" diameter; 1/8" NPT; or 1/4" Quick Connect Fitting port
• Custom design and engineering available
• Small size, lightweight, low relative cost
• Dependable long life (10+ million cycles)

SPECIFICATIONS
MECHANICAL
Standard Tolerance	±20% (Tighter tolerances available)
Switch Type	SPDT normally open or normally closed
Switching Medium	Air; compatible fluids
Mechanical Life	More than 10 million cycles
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®
Vacuum Port Options	.250" diameter, 1/8" NPT, Quick Connect Fitting Port
Diaphragm Material	Polyurethane (Teflon® optional)
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	#2 Screws through eyelets; mounting bracket available
Weight	Less than 20 grams
ELECTRICAL
Current Rating	Varies by option
Operating Voltage	125/250 VAC