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Switch Probes · Normally open (NO)

F881-NO Switch Probe

F881-NO is a switch probe series in the EMSGLOB range, listed under Normally open (NO). It suits a minimum pitch of 3.50 mm / 138 mil, is 48.65 mm long overall and offers 4 mm of working travel.

Electrically it is specified for a rated current of 10 A, a typical resistance of 25 mΩ and an operating range of -45 °C to +100 °C. There are 2 catalogue part numbers in this series, covering 2 tip or head styles such as Serrated stepped, Flat stepped. The plunger is beryllium copper with gold plating, and the barrel is brass with gold plating.

F881-NO switch probe – product photo

Specifications

Pitch3.50 mm / 138 mil
Operating temperature-45 °C to +100 °C
Total length48.65 mm
Protrusion height10 mm
Barrel diameter2.65 mm
Tip style diameter2.3 mm
Press ring diameter3.2 mm
Collar diameter3.2 mm
Plunger materialBeryllium copper
Plunger platingGold
Barrel materialBrass
Barrel platingGold
Spring materialSpring steel
Spring platingSilver
Preload80 cN
Spring force380 cN
Nominal travel4 mm
Maximum travel5 mm
Pointing accuracy± 0.08 mm
Continuous current10 A
Continuous current 21 A
Typical contact resistance25 mΩ
Switch travel1.7 mm
ThreadM2,5
Tool size2.6 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
F881-NO switch probe – dimension drawing
Dimension drawing

Part numbers (2)

Part numberTip style
F88106B230G38006 – Serrated stepped
F88117B230G38017 – Flat stepped

FAQ

What pitch and length is F881-NO?

F881-NO has a pitch of 3.50 mm / 138 mil, total length of 48.65 mm and protrusion height of 10 mm. The full dimension list is in the specification table on this page.

How much current can F881-NO carry?

The rated continuous current is 10 A, with a typical resistance of 25 mΩ.

Which part numbers and tip styles are available for F881-NO?

2 part numbers are listed, for example F88106B230G380, F88117B230G380. Tip or head styles include Serrated stepped, Flat stepped. The table on this page lists every part number with its tip and spring data.

What temperature range is F881-NO rated for?

F881-NO is specified for -45 °C to +100 °C.

How do I get a price or sample for F881-NO?

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 F881-NO 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.