Discover a wide range of relay modules on our comprehensive category page. Find the perfect relay module for your electronic projects and automation systems. We offer a diverse selection, including 5V relay modules, Arduino relay modules, and 4-channel relay modules. These modules provide seamless control and switching capabilities, ensuring reliable performance.
Whether you’re an electronics enthusiast or a professional engineer, our relay modules are designed to meet your specific needs. Explore our collection today and unlock the potential of efficient control and automation in your projects. Shop now to bring your ideas to life with our high-quality relay modules.
Relay Modules
Showing 1–48 of 203 results
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Best Prices, Relay Modules
5V Dual Channel Relay Module with Optocoupler
SKU:- Low Level Trigger Relay Module
- Two separate LEDs for On/Off indication of the Relay.
- Triggering input voltage 3.3V – 5V
- Two separate LEDs for On/Off indication of the Relay
- Triggering input voltage 3.3V – 5V 4)
- Back EMF protection
- Back EMF protection 2 LEDs to indicate when relays are ON.
- Works with logic level signals from 3.3V or 5V devices
- Opto isolation circuitry
- Module with diode current protection, short response time
- AC Control Voltage: 250V @max.10A
- DC Control Voltage: 30V @max. 10A
SKU: n/a -
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Relay Modules
4 Channel Isolated 5V 10A Relay Module opto coupler For Arduino PIC AVR DSP ARM
SKU:- No. of Channel: 4
- Trigger Voltage: 5VDC
- Triode drive, increasing relay coil
- High impedance controller pin
- Pull-down circuit for the avoidance of malfunction
- Power supply indicator and Control indicator lamp
- Power supply and relay instructions, lit, the disconnect is off;
- The input signal, signal, common Terminal and start conducting;
SKU: n/a -
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Relay Modules
5-36v Switch Drive High-power MOSFET Trigger Module
SKU:This 5-36v Switch Drive High-power MOSFET Trigger Module can control the output of power equipment, motors, light bulbs, LED lights, DC motors, micro-pumps,  solenoid valves, PWM, motor speed control, lamp brightness. etc.
SKU: n/a -
Best Prices, Relay Modules
6-30V 1-Channel Power Relay Module with Adjustable Timing Cycle
SKU:- Operating voltage: 6-30V
- Time interval:0.1 s (minimum) ~ 999 min (maximum) continuously adjustable.
- Trigger Signal Source: High-Level Trigger (3.0 V-24 V)
- Output Capacity: can control no more than DC 30V 5A AC or 220 V devices 5A
- Optocoupler Isolation.
SKU: n/a -
Relay Modules
5V 4 Channel Relay Module
SKU:- 5V 4-Channel Relay interface board and each one needs 15-20mA Driver Current.
- Equipped with high-current relay, AC250V 10A; DC30V 10A.
- Standard interface that can be controlled directly by microcontroller (for Arduino, 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic).
- Indication LED’s for Relay output status.
SKU: n/a -
Relay Modules
1 Channel Relay Module, 30A with Optocoupler, Isolation 12V Supports, High and Low Triger
Relay Modules1 Channel Relay Module, 30A with Optocoupler, Isolation 12V Supports, High and Low Triger
SKU:- Channel: 1 channel
- Relay Voltage: 12V
- High impedance controller pin
- Pull-down circuit for the avoidance of malfunction
- One normally closed contact and one normally open contact
- Triode drive, increasing relay coil
SKU: n/a -
Relay Modules
5V 2 Channel Relay Module
SKU:- The module using Songle relay control.
- AC voltage 250V, AC current 10A, maximum DC voltage 30V DC current maximum 10A.
- Power indicator (green), Two ways of relay status indicator light (red).
- Using 8550 transistor-driven, strong driving ability.
- Has the fixed bolt hole and easy installation.
SKU: n/a -
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Relay Modules
5V 2 channel USB PC Intelligent Control Relay Module
SKU:- Contact type: NC / COM / NO
- Input current: ≥300mA
- Input voltage: DC 5V
- Support in all Windows OS.
- Onboard square USB interface, stable connection.
- Use imported high-performance USB control chip.
- Application code: Green indicates that the relay is closed, the red disconnect
- Military grade PCB board production.
SKU: n/a -
Relay Modules
1 Channel Relay Module, 30A with Optocoupler, Isolation 24V Supports, High and Low Triger
Relay Modules1 Channel Relay Module, 30A with Optocoupler, Isolation 24V Supports, High and Low Triger
SKU:- Channel: 1 channel
- Relay Voltage: 24V
- High impedance controller pin
- Pull-down circuit for the avoidance of malfunction
- One normally closed contact and one normally open contact
- Triode drive, increasing relay coil
SKU: n/a -
Relay Modules
8 Channel Isolated 5V 10A Relay Module opto coupler For Arduino PIC AVR DSP ARM
SKU:- Channel: 8 channel
- Relay Operating Voltage: 5V
- One normally closed contact and one normally open contact
- Triode drive, increasing relay coil
- High impedance controller pin
- Pull-down circuit for the avoidance of malfunction
- Power supply indicator and Control indicator lamp
- Power supply and relay instructions, lit, the disconnect is off;
SKU: n/a -
Relay Modules
DC 12V Switch Delay-Relay Module with Adjustable Delay Time 0~25 Second Signal Triggering Switch Module
Relay ModulesDC 12V Switch Delay-Relay Module with Adjustable Delay Time 0~25 Second Signal Triggering Switch Module
SKU:- Module based on: NE555 chip.
- Precision Pulse Generation / Timing.
- Adjustable Duty Cycle.
- Monostable Operation.
- Standby no power consumption
- Countless Application and Information Sources.
- Time can be adjusted by a potentiometer, the default is 0-25 seconds.
- Module supplies a diode with an anti-power reverse connection.
SKU: n/a -
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Relay Modules
5V 1 Channel Without Light Coupling Relay
SKU:- The 8550 transistor drive, driveability.
- A fixed bolt holes for easy installation.
- It has a relay status indicator led Power LED(Green), 8 relay status indicator LED(Red)
- Relay control interface by single-chip IO.
- Low-level suction close, high-level release.
- Easy to use, simple 3 line structure.
SKU: n/a -
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Relay Modules
1 Road/Channel Relay Module (with light coupling) 12V
SKU:- Operating Voltage: 12V DC
- Equipped with high-current relay 10A@250VAC / 10A@30VDC
- It can control both AC and DC appliances such as Solenoids, Motors, lights, fans, etc
- High-quality screw terminals (Terminal Block) provided (C, NC, NO) for quick and easy connection
- Freewheeling diode to protect your microcontroller
- Input Signal Pin connected to Burg stick for easy accessibility
- LED Status indicators to indicate the relay ON/OFF status
- Mounting holes provided
SKU: n/a -
Relay Modules
ESP8266 ESP-01 5V WiFi Relay Module
SKU:- Onboard Module: ESP8266 wifi module; in AP mode it can connect with 5 Clients at the same time
- Operating Way: cellphone carried on wifi module; cellphone and wifi module carried on the same router, and use the APP to control relay
- Transmission Distance : 400m (max)
- Relay : 5V,10A/250V AC 10A/30V DC
- Baud Rate: 9600.
- Diode effusion protection;
- Short response time
SKU: n/a -
Relay Modules
12V Dual Channel Relay Module (with Light Coupling)
SKU:- Operating Voltage: 12V DC
- Two separate LEDs for On/Off indication of the Relay
- Triggering input voltage 3.3V – 5V 4)
- Back EMF protection
- Equipped with high-current relay 10A@250VAC / 10A@30VDC
- It can control both AC and DC appliances such as Solenoids, Motors, lights, fans, etc
- High-quality screw terminals (Terminal Block) provided (C, NC, NO) for quick and easy connection
- Freewheeling diode to protect your microcontroller
- Input Signal Pin connected to Burg stick for easy accessibility
- Mounting holes provided
SKU: n/a -
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Relay Modules
4 Road/Channel Relay Module (with light coupling) 12V
SKU:- Operating Voltage: 12V DC
- Equipped with high-current relay 10A@250VAC / 10A@30VDC
- It can control both AC and DC appliances such as Solenoids, Motors, lights, fans, etc
- High-quality screw terminals (Terminal Block) provided (C, NC, NO) for quick and easy connection
- Freewheeling diode to protect your microcontroller
- Input Signal Pin connected to Burg stick for easy accessibility
- LED Status indicators to indicate the relay ON/OFF status
- Mounting holes provided
SKU: n/a -
Relay Modules
Red Mushroom Cap LAY37-, 11ZS 1NO 1NC DPST, Emergency Stop Push, Button Switch AC 690V 10A, Switch Equipment Lift, Elevator Latching Self Lock
Relay ModulesRed Mushroom Cap LAY37-, 11ZS 1NO 1NC DPST, Emergency Stop Push, Button Switch AC 690V 10A, Switch Equipment Lift, Elevator Latching Self Lock
SKU:- Rated Insulation Voltage (Ui) : 600V
- Agreed Thermal Current (Ith):10A
- Switch Top Diameter: 39 mm
- Switch Mount Neck Diameter: 23 mm
- Insulation Resistance:≤≥60MΩ
- Contact Resistance: ≤ 25mΩ
- Ambient air temperature: -25°C ~ +40°C
SKU: n/a -
Relay Modules
5V 2 Channel SSR G3MB-202P Solid State Relay Module 240V 2A Output with Resistive Fuse
SKU:- 2 channel 2 AMP Solid State Relay board
- Control 2 loads of up to 2 amps each at 120V or 240V AC.
- Good for lighting, holiday displays etc.
- Input control signal voltage:
- 0-0.5V the state of low-level relay ON
- 0.5-3.3V Unknown State
- 3.3-5V high-level relay OFF
- Operating Voltage: 5V
- Operating Current: 16mA
- Maximum Load: 2A @ 240VAC
SKU: n/a -
Relay Modules
12V 16 Channel Relay Module with Light Coupling LM2576 Power Supply
SKU:- 12V relay with AC contact capacity of 10A 250V and optocoupler protection.
- Onboard power supply module does not need an external power supply. I / O port driver is active low.
- The module can be used as microcontroller development board module and also as appliance control, PLC extended output.
- It is using the industry’s top -quality isolation optocouplers, strong anti-jamming ability, stable performance.
- The 1-16 road can be any full on/off or any road.
- All interfaces can be directly connected through the terminal leads, very convenient.
SKU: n/a -
Relay Modules
24V Dual Channel Relay Module (with Light Coupling)
SKU:- Operating Voltage: 24V DC
- Two separate LEDs for On/Off indication of the Relay
- Triggering input voltage 3.3V – 5V 4)
- Back EMF protection
- Equipped with high-current relay 10A@250VAC / 10A@30VDC
- It can control both AC and DC appliances such as Solenoids, Motors, lights, fans, etc
- High-quality screw terminals (Terminal Block) provided (C, NC, NO) for quick and easy connection
- Freewheeling diode to protect your microcontroller
- Input Signal Pin connected to Burg stick for easy accessibility
- Mounting holes provided
SKU: n/a -
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Relay Modules
12V 4 Channel Relay Module
SKU:- 4-Channel Relay interface board and each one needs 15-20mA Driver Current.
- Both controlled by 12V and 5V input Voltage.
- Equipped with high-current relay, AC250V 10A ; DC30V 10A.
- Standard interface that can be controlled directly by microcontroller (Arduino, 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic active low).
- Indication LED’s for Relay output status.
SKU: n/a -
Relay Modules
1 Road/Channel Relay Module (With Light Coupling) 24V
SKU:- Operating Voltage: 24V DC
- Equipped with high-current relay 10A@250VAC / 10A@30VDC
- It can control both AC and DC appliances such as Solenoids, Motors, lights, fans, etc
- High-quality screw terminals (Terminal Block) provided (C, NC, NO) for quick and easy connection
- Freewheeling diode to protect your microcontroller
- Input Signal Pin connected to Burg stick for easy accessibility
- LED Status indicators to indicate the relay ON/OFF status
- Mounting holes provided
SKU: n/a -
Relay Modules
5V 8 Channel Relay Module
SKU:- The 8550 transistor drive, driveability.
- A fixed bolt holes for easy installation.
- It has a relay status indicator led Power LED(Green), 8 relay status indicator LED(Red)
- Relay control interface by single-chip IO.
- Low-level suction close, high-level release.
- Easy to use, simple 3 line structure.
SKU: n/a -
Relay Modules
5V 16 Channel Relay Module with Light Coupling LM2596S Power Supply
SKU:- 5V relay with AC contact capacity of 10A 250V and optocoupler protection.
- Onboard power supply module does not need an external power supply. I / O port driver is active low.
- The module can be used as a microcontroller development board module and also as appliance control, PLC extended output.
- It is using the industry’s top -quality isolation optocouplers, strong anti-jamming ability, stable performance.
- The 1-16 road can be any full on/off or any road.
- All interfaces can be directly connected through the terminal leads, very convenient.
SKU: n/a -
Relay Modules
5V 6 Channel Low Level Relay Module with Light Coupling
SKU:- 6-way relay output module contact capacity is 10A 250V.
- input IN1, IN2, IN3, IN4, IN5, IN6 signal, a low level is effective.
- Using single-chip design, reliable performance, strong anti-interference, no false triggering, superior performance.
- The trigger terminal has optocoupler isolation, the independent external power supply can trigger completely isolated.
- Each relay has an activity indicator light. With 4 fixed bolt holes, easy installation.
- Support all SCM control. It is applicable to the industrial sector, PLC control and home intelligent control.
SKU: n/a -
Relay Modules
24V 4-Channel Relay Module (with Light Coupling)
SKU:- Operating Voltage: 24V DC
- Two separate LEDs for On/Off indication of the Relay
- Triggering input voltage 3.3V – 5V 4)
- Back EMF protection
- Equipped with high-current relay 10A@250VAC / 10A@30VDC
- It can control both AC and DC appliances such as Solenoids, Motors, lights, fans, etc
- High-quality screw terminals (Terminal Block) provided (C, NC, NO) for quick and easy connection
- Freewheeling diode to protect your microcontroller
- Input Signal Pin connected to Burg stick for easy accessibility
- Mounting holes provided
SKU: n/a -
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Relay Modules
2 Channel Relay Module 30A with Optocoupler Isolation 5V Supports High and Low Triger
SKU:- Supply Voltage: DC 5V
- Quiescent Current: 5mA
- Maximum Operating Current: 190mA
- Trigger Mode: High and low-level trigger
- Load Voltage: DC 30V / AC250
- Load Current: 30A
- Relay Life: more than 100,000 times
SKU: n/a