Switch Probes · Normally open (NO)
H879 Switch Probe
H879 is a switch probe series in the EMSGLOB range, listed under Normally open (NO). It is laid out for 2.54 mm / 100 mil centre spacing and measures 13 – 19.5 mm in total length.
There are 2 catalogue part numbers in this series.

Specifications
| Pitch | 2.54 mm / 100 mil |
|---|---|
| Collar height | 0.2 mm |
| Outer diameter | 2.15 mm |
| Material, Coating | Brass, Gold |
| Internal thread | 2,0X0,25 |
| Total length (range) | 13 – 19.5 mm |
| Press ring diameter | 2.35 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 | Total length | Additional definition | Press ring diameter |
|---|---|---|---|
| H879 | 13 mm | – | 2.35 mm |
| H879KB | 19.5 mm | Combi | – |
FAQ
What pitch and length is H879?
H879 has a pitch of 2.54 mm / 100 mil and total length of 13 – 19.5 mm. The full dimension list is in the specification table on this page.
Which part numbers and tip styles are available for H879?
2 part numbers are listed, for example H879, H879KB. The table on this page lists every part number with its tip and spring data.
How do I get a price or sample for H879?
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 H879 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.