The C4 Series Input Modules come in an industry standard housing designed for mounting into I/O mounting boards. They are available for AC input (120 or 240 VAC) or DC input (10 to 32 VDC) applications.
Additional features of the C4 Series Input Modules include:

• Universal 4.5 to 30 VDC logic signal output
• 4 kV optical isolation
• LED status indicator
• Industry standard color coding for I/O modules