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8 Channel Relay Module

Harga reguler $20.00

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8 Channel Relay Module

8 Channel Relay Module

$20.00

5V 8-Channel Relay Module with Optocoupler Isolation (High/Low Level Trigger)

This 5V 8-channel relay module features SMD optocoupler isolation for stable performance and reliable signal driving. Each channel supports selectable high or low level triggering via jumper settings, providing flexible control options for different control systems. A fault-tolerant design ensures the relay will not operate if the control signal line is disconnected.

Key Features

  • 8-channel relay control with independent high or low level trigger selection per channel

  • SMD optocoupler isolation for improved stability and driving capability

  • Trigger current: 5mA

  • Fault-tolerant design prevents unintended relay activation if the control line is broken

  • LED indicators:

    • Green power indicator

    • Red relay status indicators for each channel

  • User-friendly terminal interfaces for direct wiring connection

Relay Specifications

Parameter Specification
Relay type Normally open / normally closed
Maximum load (AC) 250V / 10A
Maximum load (DC) 30V / 10A
Operating voltage 5V

Module Specifications

Item Details
Module size 141.5mm × 50mm × 18.5mm (L × W × H)
Mounting holes 4 holes, 3.1mm diameter
Mounting hole pitch 136mm × 44.5mm

Interface Description

Power Input

  • DC+: 5V positive power supply

  • DC−: Negative power connection

Control Inputs

  • IN1–IN8: Control inputs for each relay channel, configurable as high or low trigger via jumper

Relay Outputs (24-pin terminal)

  • NO1–NO8: Normally Open contacts

  • COM1–COM8: Common contacts

  • NC1–NC8: Normally Closed contacts

High / Low Trigger Selection

  • S1–S8 jumpers correspond to relay channels 1–8

  • Short COM to LOW: Low-level trigger

  • Short COM to HIGH: High-level trigger

Package Includes

  • 1 × 5V 8-Channel Relay Module with Optocoupler Isolation

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