Suggested Part Numbers 13 13 Part Number Number of Points NPN/PNP Rated Voltage IO Refresh High Speed Input Connection Width NX-IA3117 4 VAC 200-240 VAC, 50/60 Hz Free-Run No Screwless Clamp TB 12 mm NX-ID3317 4 NPN 12 to 24 VDC Switching sync No Screwless Clamp TB 12 mm NX-ID3343 4 NPN 24 VDC Switching sync Yes Screwless Clamp TB 12 mm NX-ID3344 4 NPN 24 VDC Input refreshing with input changed time Yes Screwless Clamp TB 12 mm NX-ID3417 4 PNP 12 to 24 VDC Switching sync No Screwless Clamp TB 12 mm NX-ID3443 4 PNP 24 VDC Switching sync Yes Screwless Clamp TB 12 mm NX-ID3444 4 PNP 24 VDC Input refreshing with input changed time Yes Screwless Clamp TB 12 mm NX-ID4342 8 NPN 24 VDC Switching sync No Screwless Clamp TB 12 mm NX-ID4442 8 PNP 24 VDC Switching sync No Screwless Clamp TB 12 mm NX-ID5142-1 16 BOTH 24 VDC Switching sync No Screw TB 30 mm NX-ID5142-5 16 BOTH 24 VDC Switching sync No MIL connector 30 mm NX-ID5342 16 NPN 24 VDC Switching sync No Screwless Clamp TB 12 mm NX-ID5442 16 PNP 24 VDC Switching sync No Screwless Clamp TB 12 mm NX-ID6142-5 32 BOTH 24 VDC Switching sync No MIL connector 30 mm NX-ID6142-6 32 BOTH 24 VDC Switching sync No Fujitsu 30 mm NX-ID6342 32 NPN 24 VDC Switching sync No Screwless Clamp TB 26 mm NX-ID6442 32 PNP 24 VDC Switching sync No Screwless Clamp TB 26 mm