High-Current Contact Probes
FK-133 High-current Probe
FK-133 is a high-current probe series in the EMSGLOB range. It suits a minimum pitch of 15 mm / 591 mil, measures 49.5 mm in total length and offers 5.3 mm of working travel.
On the electrical side you get a rated current of 50 A, a typical resistance of 1 mΩ and an operating range of -45 °C to +175 °C. It is ordered as part number FK-133.

Specifications
| Minimum pitch | 15 mm / 591 mil |
|---|---|
| Total length | 49.5 mm |
| Installation height | 37.4 mm |
| Rated travel | 5.3 mm |
| Max. travel | 8 mm |
| Rated current | 50 A |
| Typical resistance | 1 mΩ |
| Operating temperature | -45 °C to +175 °C |
Values as listed for this series. Confirm the exact data for your part number with your quotation.
Applications
- Power electronics and inverter testing
- Battery cell, module and pack contacting
- Testing of plug connectors and charging interfaces
- End-of-line and burn-in stations that need high continuous current

Part numbers (1)
| Part number | Tip / head style | Head Ø (mm) | Spring force (N) |
|---|---|---|---|
| FK-133 | Spherical head (code 05) | 4.8 | 13.6 |
Tip and head styles

FAQ
What pitch and length is FK-133?
FK-133 has a minimum pitch of 15 mm / 591 mil, total length of 49.5 mm and installation height of 37.4 mm. The full dimension list is in the specification table on this page.
How much current can FK-133 carry?
The rated continuous current is 50 A, with a typical resistance of 1 mΩ.
What temperature range is FK-133 rated for?
FK-133 is specified for -45 °C to +175 °C.
How do I get a price or sample for FK-133?
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 high-current contact probes
Enquire / Request a quote
Tell us the FK-133 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.