Phoenix Contact SD- B37 Transfer Interface Module

The SD-B37 is a passive signal transfer module from Phoenix Contact, designed to route signals between a 37-pin D-sub connector and field wiring. It is commonly used to interface control systems, I/O modules, or PLCs with external sensors, actuators, or signal conditioners.

Model: SD-B37
Type: Transfer Interface Module
Connector Type: 37-pin D-sub (male or female, model-dependent)
Wiring Termination: Screw clamp terminals for individual wires
Number of Channels: 37 signal lines (1:1 pin mapping)
Mounting Type: DIN rail mountable (TS35 standard)
Conductor Size Range: 0.14 to 1.5 mm² (AWG 26–16)
Voltage Rating: Typically 50–125 V (application dependent)
Current Rating: Up to 1 A per channel
Housing Material: Flame-retardant thermoplastic, green (standard Phoenix Contact color)
Labeling: Terminal numbering matches D-sub pinout
Shielding: Optional grounding for cable shield via clamp
Application: PLC/DAQ interfacing, test equipment, automation signal routing, I/O breakout panel
Manufacturer: Phoenix Contact Please review pictures carefully and let us know if you have any questions!