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AJMRTC 12V 8 Channel Relay Module, Opto-Isolated 8 Ways Relay Board, High and Low Level Trigger for Arduino STM32 PLC Industrial Control
- - 8 independent relay channels for separate control of multiple electrical loads
- - Optocoupler isolation separates control signal and load circuit for anti-interference
- - Supports both high level and low level trigger, flexible for different MCU signals
- - 12V coil voltage, indicator lights for each channel to show working status
- - Screw terminal design for fast wiring and reliable electrical connection
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Overview
Specs
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AJMRTC 8-channel relay module is equipped with opto-isolation circuits to protect your microcontroller from voltage spikes and signal noise. It works with 12V relay coils and supports high-level or low-level trigger modes, which can be selected according to your controller logic. Each channel has an independent LED indicator so you can quickly check whether the relay is activated. Screw terminals make wiring simple and secure. It is widely used for home automation, smart control systems, Arduino or STM32 projects, PLC expansion and industrial equipment switching control.
Specifications
- Brand: AJMRTC
- Number of Channels: 8 Channels
- Coil Voltage: DC 12V
- Isolation: Optocoupler isolation
- Trigger Mode: High Level / Low Level Trigger Selectable
- Indicator: Individual LED for each channel
- Connection: Screw terminal block
- Compatible: Arduino, STM32, Raspberry Pi, PLC
- Application: Smart home, automation, industrial switching control
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
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Return Policies
- Return for refund within: 30 days
- Return for replacement within: non-replaceable
- This item is covered by ConnectFlow USA Return Policy
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