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24 Channel Relay Board with 24V 10A SPDT Relay Module Opto-Isolated GPIO Input

High-Performance Industrial 24 Channel Relay Control Board for Automation & Control Projects

Shipping Starts from $29.23
SKU: MOD-RLY24-24V10A-ISL
MPN: 24 channel 24V Relay Board
Stock Status: 4 pcs
Delivery Status: 3-7 days
$74.32
Including Tax: $11.34
pcs

Description

Upgrade your automation and control systems with our 24-Channel 24V 10A SPDT Relay Module, built for high-current switching and safe GPIO integration. Designed with opto-isolated external GPIO inputs interfacing and a robust ULN driver array, this relay board offers excellent isolation, performance, and flexibility.

Whether you're controlling lighting systems, motors, solenoids, or industrial machines, this ULN2803-based relay board is engineered for reliability in 24V control environments.
⚙️ Key Features

    ???? 24 Independent Relay Channels — Switch up to 10A @ 250V AC or 30V DC

    ???? SPDT Relays (Single Pole Double Throw) — Provides Normally Open (NO) and Normally Closed (NC) contacts

    ???? ULN2803 Driver Array — Efficient transistor-based switching for logic-level control

    ???? Opto-Isolated GPIO Inputs — Prevents voltage spikes and noise from damaging control systems

    ⚡ Industrial-Grade 24V Operation — Stable, long-life performance

    ???? Swappable Relay Base (Optional) — removable relay bases for hot-swapping or  Easy replacement and maintenance

    ???? Input Compatibility — Ideal for PIC , Arduino, Raspberry Pi, PLCs, ESP32, STM32, any microcontroller family etc.

LED indication for each Relay 

????️ Applications

    Industrial Automation Panels

    Home & Building Automation

    Robotic Control Systems

    Motor & Solenoid Control

    PLC Interfacing

    Smart Agriculture Projects

    Signal Switching & HVAC Control

???? Package Includes


    1 × 24-Channel 24V 10A SPDT Relay Module



Technical Data

Relay Type SPDT (Single Pole Double Throw) 1C Form
Relay make Omron or OEN
Number of Channels 24
Coil Voltage Rating 24V
Contact Current Capacity 10A per channel
Control Input External GPIO input
Isolation Opto-isolated inputs (helps prevent damage from signal spikes)
Driver ULN2803
Board Size 28 x 14.5 x 3.5 cm
Weight 0.580 Kg
Packing Vol Weight 0.75Kg
COO India

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