Switch Probes · Normally closed (NC)
F883-NC Switch Probe
F883-NC is a switch probe series in the EMSGLOB range, listed under Normally closed (NC). It works at a pitch down to 3.50 mm / 138 mil, is 44.8 – 51.3 mm long overall and offers 4 mm of working travel.
Its datasheet values are a rated current of 10 A, a typical resistance of 50 mΩ and an operating range of -45 °C to +100 °C. There are 6 catalogue part numbers in this series, covering 5 tip or head styles such as Concave stepped, Serrated stepped, Flat, Flat stepped. The plunger is beryllium copper with gold plating, and the barrel is brass with gold plating.

Specifications
| Pitch | 3.50 mm / 138 mil |
|---|---|
| Operating temperature | -45 °C to +100 °C |
| Barrel diameter | 2.65 mm |
| Press ring diameter | 3.2 mm |
| Collar diameter | 3.2 mm |
| Plunger material | Beryllium copper |
| Plunger plating | Gold |
| Barrel material | Brass |
| Barrel plating | Gold |
| Spring material | Spring steel |
| Spring plating | Silver |
| Preload | 40 cN |
| Spring force | 230 cN |
| Nominal travel | 4 mm |
| Maximum travel | 5 mm |
| Pointing accuracy | ± 0.09 mm |
| Continuous current | 10 A |
| Continuous current 2 | 1 A |
| Typical contact resistance | 50 mΩ |
| Switch travel | 1.7 mm |
| Switch type | NC (Normal Close) |
| Thread | M2,5 |
| Tool size | 2.6 mm |
| Total length (range) | 44.8 – 51.3 mm |
| Protrusion height (range) | 10 – 16.5 mm |
| Tip style diameter (range) | 1.8 – 2.3 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

Part numbers (6)
| Part number | Tip style | Tip style diameter | Total length | Additional definition | Protrusion height | Structure |
|---|---|---|---|---|---|---|
| F88305B230G230SM | 05 – Concave stepped | 2.3 mm | 44.8 mm | SM | 10 mm | – |
| F88306B230G230LM | 06 – Serrated stepped | 2.3 mm | 51.3 mm | LM | 16.5 mm | – |
| F88306B230G230SM | 06 – Serrated stepped | 2.3 mm | 44.8 mm | SM | 10 mm | – |
| F88316B180G230SM | 16 – Flat | 1.8 mm | 44.8 mm | SM | 10 mm | – |
| F88317B230G230SM | 17 – Flat stepped | 2.3 mm | 44.8 mm | SM | 10 mm | – |
| F88317K230U230SM | 17K | 2.3 mm | 44.8 mm | SM | 10 mm | Basic Contact Probe |
FAQ
What pitch and length is F883-NC?
F883-NC has a pitch of 3.50 mm / 138 mil, total length of 44.8 – 51.3 mm and protrusion height of 10 – 16.5 mm. The full dimension list is in the specification table on this page.
How much current can F883-NC carry?
The rated continuous current is 10 A, with a typical resistance of 50 mΩ.
Which part numbers and tip styles are available for F883-NC?
6 part numbers are listed, for example F88305B230G230SM, F88306B230G230LM, F88306B230G230SM. Tip or head styles include Concave stepped, Serrated stepped, Flat, Flat stepped, 17K. The table on this page lists every part number with its tip and spring data.
What temperature range is F883-NC rated for?
F883-NC is specified for -45 °C to +100 °C.
How do I get a price or sample for F883-NC?
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.
More switch probes
Enquire / Request a quote
Tell us the F883-NC 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.