制造商：Opto 22
功能描述：SNAP 4-Ch 2.5-28 VDC Digital Input Module, Factory Mutual approved
功能描述：DIGITAL INPUT MODULE; No. of Digital Inputs
SNB1035A0RSLR
SNB4508
SNB5407J
SNC1N22ZHK
SNC1Q22ZHK
SNC1R22ZHK
SNC1S22ZHK
SNC5414J
SNC5416J/38510B
SNC54173J