Matsushita MS850320R Power Relay Interface Module

The Matsushita MS850320R is a high-density relay interface module used for signal and power switching between PLCs, controllers, and field devices. It integrates multiple electromechanical relays in a compact DIN-rail mountable form for efficient signal management.

Model: MS850320R
Type: Relay Interface Module
Relay Channels: 32 relays (typically Form A SPST-NO contacts)
Rated Voltage: 24 V DC control signal (typical per relay, verify per spec)
Relay Output Capacity: Generally up to 2–5 A @ 250 V AC / 30 V DC per relay
Connector: 40-pin ribbon cable (DIN-style flat cable interface)
Terminal Blocks: Push-in spring terminal or screw terminal (orange, numbered 17–48)
Mounting: DIN rail mount
Relay Manufacturer: Matsushita/Panasonic (relays are branded accordingly)
Application: I/O expansion for PLCs, DCS systems, signal isolation, industrial automation
Manufacturer: Matsushita Electric Works, Ltd. (Panasonic Group)
Notes: Compact, replaceable relays for easy maintenance and wiring labeling for channel identification Please review pictures carefully and let us know if you have any questions!