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.