Anonymous Verified Buyer
" Very responsive and helpful, competitive pricing. Good source! "
July 2025
TB-2643B Request for Availability
TB-2643B, 4 x 64 matrix, Terminal Block
Rated 4.8/5 | 11 ratings
Actual item may vary if no part number is provided on quote request.
✔ 2 Year Warranty Included
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✔ NIST Calibration Available
Andrew Gar**** Verified Buyer
" Amazing to work with and had my order within 1 week after purchasing with all NI certs and data that were needed. "
March 2025
Said Sai**** Verified Buyer
" Competent contact for highly specialized components. The support team is very knowledgeable. Many thanks for the help and the fast shipping! "
January 2025
Bob C**** Verified Buyer
" Jason was able to get our emergency situation taken care of quickly and professionally. "
May 2025
Gregg Flecki**** Verified Buyer
" Great service and great products. This is my 2nd time using Apex Waves, truly impressed. "
January 2025
Carol Zimme**** Verified Buyer
" Very responsive and helpful, competitive pricing. Good source! "
July 2025
Andrew Gar**** Verified Buyer
" Amazing to work with and had my order within 1 week after purchasing with all NI certs and data that were needed. "
March 2025
Said Sai**** Verified Buyer
" Competent contact for highly specialized components. The support team is very knowledgeable. Many thanks for the help and the fast shipping! "
January 2025
Bob C**** Verified Buyer
" Jason was able to get our emergency situation taken care of quickly and professionally. "
May 2025
Gregg Flecki**** Verified Buyer
" Great service and great products. This is my 2nd time using Apex Waves, truly impressed. "
January 2025
NI TB-2643B Terminal Block
Featured with optional protection resistance provision, the TB-2643B (Part Numbers: 153631-01L, 153631-02L, 782385-07, 782385-08) is a Terminal Block. This accessory enables you to achieve a 2-wire, 4 x 64 matrix or single-wire, dual 4 x 64 matrix configuration on the NI-2532B Switch Module. This shielded accessory is designed for the above-mentioned Switch Module and cannot be considered for any other model, even from the same series or family. The NI TB-2643B is a simple device designed for a cable-less deployment. The rear connection of the TB-2643B Terminal Block can easily be mated with the front connectors of the PXI-2532B or PXIe-2532B Switch Module.
This Terminal Block is designed for deployment in Measurement Category I systems only and cannot carry signals generated at >100 volts. However, it is tested to withstand surge voltage up to 500 V. This v comes with a provision to operate with 100 Ω column and row protection resistors. The basic version of the TB-2643B has the part number 782385-07 and does not come with protection resistance. This Terminal Block can also be acquired with protection resistance as part number 782385-08.
| Model | TB-2643B |
|---|---|
| Manufacturer | NI |
| Part Numbers | 153631-01L, 153631-02L, 782385-07, and 782385-08 |
| Type | Terminal Block |
| Configuration | 2-wire, 4 x 64 matrix or 1-wire, dual 4 x 64 matrix |
| Compatible Models | PXI/PXIe-2532B |
| Connection | Ribbon cable headers |
| Protection | 100 Ohm or 0 Ohm |
| Dimensions | 4.22 x 0.80 x 4.56 in. |
| Weight | 1 lb. |
| Warranty | 2-3 Year Warranty |
| TB-2643B Manual | User Manual and Maintenance Manual Available for Download |
| Pricing | Contact a Sales Representative for a quote. |
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