Switch Probes · Normally open (NO)
F385-NO Switch Probe
F385-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, has an overall length of 51.6 mm and offers 9 mm of working travel.
Electrically it is specified for a rated current of 10 A, a typical resistance of 50 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.
Specifications
| Structure | Basic Contact Probe |
|---|---|
| Pitch | 3.50 mm / 138 mil |
| Operating temperature | -45 °C to +100 °C |
| Total length | 51.6 mm |
| Protrusion height | 16.8 mm |
| Barrel diameter | 2.65 mm |
| Tip style diameter | 3.5 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 | 200 cN |
| Nominal travel | 9 mm |
| Maximum travel | 11 mm |
| Pointing accuracy | ± 0.15 mm |
| Continuous current | 10 A |
| Continuous current 2 | 1 A |
| Typical contact resistance | 50 mΩ |
| Switch travel | 1.7 mm |
| Thread | M2,5 |
| Tool size | 2.6 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
Part numbers (2)
| Part number | Tip style |
|---|---|
| F38506B350G200 | 06 – Serrated stepped |
| F38517B350G200 | 17 – Flat stepped |
FAQ
What pitch and length is F385-NO?
F385-NO has a pitch of 3.50 mm / 138 mil, total length of 51.6 mm and protrusion height of 16.8 mm. The full dimension list is in the specification table on this page.
How much current can F385-NO carry?
The rated continuous current is 10 A, with a typical resistance of 50 mΩ.
Which part numbers and tip styles are available for F385-NO?
2 part numbers are listed, for example F38506B350G200, F38517B350G200. 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 F385-NO rated for?
F385-NO is specified for -45 °C to +100 °C.
How do I get a price or sample for F385-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.
More switch probes
Enquire / Request a quote
Tell us the F385-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.