PLC I/O Module 50mA 35 - 60V AC-DC, 43.2 x 15.2 x 31.8mm
The can act as either a DC or AC input, accepting 35-60 VDC or VAC. All AC and DC input modules have a bridge-rectifier input. Each module provides up to 4000 volts transient of optical isolation between the field inputs and the output side of the circuit.
Allied Electronics:
STANDARD G1 I/O MODULES AND MOUNTING RACKS NIFNA
Newark:
# OPTO 22 IDC5G Input Module, AC/DC Input 35–60 VDC, 5 VDC Logic