Schneider STBDDI3425K Description Description Schneider 4 DI, 24VDC, sink 3wire, 3ms fixed, limited diagnostics, no reflex, Basic Related products SCHNEIDER TSXASR402 SCHNEIDER TSX1723428 SCHNEIDER ATV16U29M2 SCHNEIDER TSXDEY16D2 SCHNEIDER TSXAEY800 SCHNEIDER TSXMFPP224K