8 Channel Relay Module
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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
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8-channel relay control with independent high or low level trigger selection per channel
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SMD optocoupler isolation for improved stability and driving capability
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Trigger current: 5mA
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Fault-tolerant design prevents unintended relay activation if the control line is broken
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LED indicators:
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Green power indicator
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Red relay status indicators for each channel
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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
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DC+: 5V positive power supply
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DC−: Negative power connection
Control Inputs
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IN1–IN8: Control inputs for each relay channel, configurable as high or low trigger via jumper
Relay Outputs (24-pin terminal)
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NO1–NO8: Normally Open contacts
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COM1–COM8: Common contacts
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NC1–NC8: Normally Closed contacts
High / Low Trigger Selection
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S1–S8 jumpers correspond to relay channels 1–8
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Short COM to LOW: Low-level trigger
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Short COM to HIGH: High-level trigger
Package Includes
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1 × 5V 8-Channel Relay Module with Optocoupler Isolation
Let customers speak for us
Arrived very quickly and worked a treat.
This product is most likely. Compact and easy, daily use. 😉
Very good repair set at an excellent price! Arrived on time and came well-packed. Very pleased with it. Recommended seller.
Nice doing business, product was as described in description. Works as Indented, thanks.
For use at my soldering station to keep fumes out of my eyes
