Boards & I/O Modules

8-channel Optocoupled Relay Board

Model: RB-8

8-relay output board with optical isolation, screw terminals and status LEDs.

  • 8 × 10 A relays with NO/NC contacts
  • Optical isolation on all inputs
  • 5 V / 12 V / 24 V control inputs
  • Status LEDs and flyback diodes

Nationwide delivery · Free technical advice

Channels8 relays
Contact rating10 A / 250 V AC · 10 A / 30 V DC
Electrical life100 000 operations
Input5 / 12 / 24 V DC

Overview

The RB-8 amplifies low-voltage microcontroller or PLC signals to switch 230 V and 24 V loads. Input optocouplers protect against noise and load back-EMF, and screw terminals make panel wiring easy.

Technical specifications

General

Channels
8 relays
Contact rating
10 A / 250 V AC · 10 A / 30 V DC
Electrical life
100 000 operations
Input
5 / 12 / 24 V DC

Electrical

Supply
5 / 12 / 24 V DC
Isolation
Optocoupler

Mechanical

Dimensions (mm)
145 × 56 × 20
Mounting
M3 screws / DIN clip

Applications

Load switching in panels
Building automation
Labs and prototyping
Microcontroller-to-PLC interfacing

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