Schneider SR2B121B Description Description Schneider 24VAC, 8 DI / 4 RO module, Incl clock. Related products SCHNEIDER TSXAEY800 SCHNEIDER TSXETZ410 SCHNEIDER TSXASR402 SCHNEIDER ATV31HU15N4 SCHNEIDER TSXDEY64D2K SCHNEIDER TSXMFP032P
