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Switch Probes · Rolling ball head

F888 Switch Probe

F888 is a switch probe series in the EMSGLOB range, listed under Rolling ball head. It has an overall length of 19.9 – 26.3 mm and offers 1 – 1.5 mm of working travel.

Its datasheet values are a rated current of 1 – 5 A and a typical resistance of 25 mΩ. There are 6 catalogue part numbers in this series, covering 1 tip or head style such as Rolling ball. The plunger is steel with uncoated plating, and the barrel is brass with gold plating.

F888 switch probe – product photo

Specifications

StructureBasic Contact Probe
Tip style90 – Rolling ball
Plunger materialSteel
Plunger platingUncoated
Barrel materialBrass
Barrel platingGold
Typical contact resistance25 mΩ
Total length (range)19.9 – 26.3 mm
Protrusion height (range)1.4 – 18.7 mm
Barrel diameter (range)5 – 7 mm
Tip style diameter (range)4 – 6 mm
Press ring diameter (range)6.35 – 8.4 mm
Collar diameter (range)6.35 – 8.4 mm
Preload (range)70 – 150 cN
Spring force (range)100 – 200 cN
Nominal travel (range)1 – 1.5 mm
Maximum travel (range)1 – 1.5 mm
Continuous current (range)1 – 5 A
Continuous current 2 (range)1 – 5 A
Switch travel (range)0.5 – 0.8 mm
Tool size5 mm

Values as listed for this series. Confirm the exact data for your part number with your quotation.

Applications

  • Presence and position checks in test fixtures
  • Detecting components, connectors and housings
  • Normally open (NO) and normally closed (NC) switching
  • Pneumatic and position-sensing fixture designs
F888 switch probe – dimension drawing
Dimension drawing

Part numbers (6)

Part numberTip style diameterSpring forcePreloadTotal lengthNominal travelContinuous current
F88890S0003U100S055 mm100 cN70 cN19.9 mm1.4 mm5 A
F88890S0003U100S085 mm100 cN70 cN19.9 mm1.4 mm5 A
F88890S1003U100S055 mm100 cN70 cN19.9 mm1.4 mm5 A
F88890S1101U200S054 mm200 cN150 cN26.3 mm1 mm1 A
F88890S1102U100S076 mm100 cN70 cN20.95 mm1.5 mm1 A
F88890S1103U200S054 mm200 cN150 cN26.3 mm1 mm1 A

FAQ

What pitch and length is F888?

F888 has a total length of 19.9 – 26.3 mm and protrusion height of 1.4 – 18.7 mm. The full dimension list is in the specification table on this page.

How much current can F888 carry?

The rated continuous current is 1 – 5 A, with a typical resistance of 25 mΩ.

Which part numbers and tip styles are available for F888?

6 part numbers are listed, for example F88890S0003U100S05, F88890S0003U100S08, F88890S1003U100S05. Tip or head styles include Rolling ball. The table on this page lists every part number with its tip and spring data.

How do I get a price or sample for F888?

Send the part number, quantity and your application to sales@emsglob.com or call +91-7383235369, or use the enquiry form on the contact page. Prices are quoted per enquiry.

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Enquire / Request a quote

Tell us the F888 part number, the quantity and your pitch, travel and current requirements, and the EMSGLOB team will reply with availability and a quotation. Drawings in STEP, IGES, PDF, DWG, DXF or ZIP are welcome.