See Littelfuse Commercial Vehicle Products 产品
DC Output Buffered Modules 5-Pin
IDC-24F = PCB MONT,24V DC Logic-DC I/P
I/O Module Relays Input Module 68mA 4000Vrms Thru-Hole
I/O Module Relays Input Module -24VDC/24VDC 34mA 4000Vrms Thru-Hole