National Instruments PXI-2570 Relay Module - Parts Only!

National Instruments NI PXI-6704 16-Bit 32-Channel Static Analog Output Module

National Instruments NI SCXI-1167 64-Channel Relay Switch Driver Module for SCXI

National Instruments NI PXI-2503 Relay Multiplexer Module Card

National Instruments PXI-2599 Dual SPDT 26.5GHz PXI RF Relay Module, 193274D-01L

NI PXI-2564 Relay Switch Module 191950D-01L – Tested, US Seller

NATIONAL INSTRUMENTS MODEL NI SCXI-1167 64-CHANNEL RELAY DRIVER MODULE (UFY79)

^^ National Instruments NI PXI-2567 64 Channel Relay Driver Module (GFB33)