A relay switch is an electrically operated switch. It consists of a set of input terminals for a single or multiple control signals, and a set of operating contact terminals. Here you can get Battle Switch, XH-M131 Light Control Switch, SPDT Relay, Power Failure Relay and many more modules.
The switch may have any number of contacts in multiple contact forms, such as making contacts, break contacts. Relays are used where it is necessary to control a circuit by an independent low-power signal, or where several circuits must be controlled by one signal.
Relay Switch Modules
Showing 1–48 of 182 results
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Relay Switch Modules
5V Dual Channel Relay Module with Optocoupler
SKU: 31557- 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: 31557 -
Relay Switch Modules
4 Channel Isolated 5V 10A Relay Module opto coupler For Arduino PIC AVR DSP ARM
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Relay Switch Modules4 Channel Isolated 5V 10A Relay Module opto coupler For Arduino PIC AVR DSP ARM
SKU: 9729- 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: 9729 -
Relay Switch Modules
1 channel 5V 10A Relay Control Board Module with Optocoupler
SKU: 25289- Channel: 1 channel
- Relay Voltage: 5V
- 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: 25289 -
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Relay Switch Modules
6-30V 1-Channel Power Relay Module with Adjustable Timing Cycle
SKU: 400057- 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: 400057 -
Relay Switch Modules
1 Channel Relay Module, 30A with Optocoupler, Isolation 12V Supports, High and Low Triger
Relay Switch Modules1 Channel Relay Module, 30A with Optocoupler, Isolation 12V Supports, High and Low Triger
SKU: 1121222- 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: 1121222 -
Relay Switch Modules
5V 2 Channel Relay Module
SKU: 618458- 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: 618458 -
Relay Switch Modules
1 Channel Relay Module, 30A with Optocoupler, Isolation 24V Supports, High and Low Triger
Relay Switch Modules1 Channel Relay Module, 30A with Optocoupler, Isolation 24V Supports, High and Low Triger
SKU: 1121224- 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: 1121224 -
Relay Switch Modules
5V 2 channel USB PC Intelligent Control Relay Module
SKU: 31305- 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: 31305 -
Relay Switch Modules
5V 4 Channel Relay Module
SKU: 618460- 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: 618460 -
Relay Switch Modules
DC 12V Switch Delay-Relay Module with Adjustable Delay Time 0~25 Second Signal Triggering Switch Module
Relay Switch ModulesDC 12V Switch Delay-Relay Module with Adjustable Delay Time 0~25 Second Signal Triggering Switch Module
SKU: 118315- 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: 118315 -
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Relay Switch Modules
12V 1 Channel Relay Module
SKU: 618374- Brand new and high quality.
- 1-Channel Relay interface board,
- Equipped with high-current relay : 15A @ 125V AC or 10A @ 250V AC
- Standard interface that can be controlled directly by microcontroller (Arduino, 8051, AVR, PIC, DSP, ARM)
SKU: 618374 -
Relay Switch Modules
PC817 4 CH Optocoupler Isolation Module
SKU: 890215- I/O Isolation for MCUs (Micro Controller Units)
- Noise Suppression in Switching Circuits
- Driving Port Signal Voltage: 3.6-24V
- Output Port Voltage Port: 3.6-30V
- Output Can Be Switched From Pull-Up or Pull-Down With Jumpers.
SKU: 890215 -
Relay Switch Modules
8 Channel Isolated 5V 10A Relay Module opto coupler For Arduino PIC AVR DSP ARM
-10%Relay Switch Modules8 Channel Isolated 5V 10A Relay Module opto coupler For Arduino PIC AVR DSP ARM
SKU: 9728- 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: 9728 -
Relay Switch Modules
PC817 2 CH Optocoupler Isolation Module
SKU: 890214- I/O Isolation for MCUs (Micro Controller Units)
- Noise Suppression in Switching Circuits
- Driving Port Signal Voltage: 3.6-24V
- Output Port Voltage Port: 3.6-30V
- Output Can Be Switched From Pull-Up or Pull-Down With Jumpers.
SKU: 890214 -
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Relay Switch Modules
5V 1 Channel Without Light Coupling Relay
SKU: 618455- 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: 618455 -
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Relay Switch Modules
ESP8266 ESP-01 5V WiFi Relay Module
SKU: 835798- 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: 835798 -
Relay Switch Modules
5V 2 Channel SSR G3MB-202P Solid State Relay Module 240V 2A Output with Resistive Fuse
Relay Switch Modules5V 2 Channel SSR G3MB-202P Solid State Relay Module 240V 2A Output with Resistive Fuse
SKU: 28500- 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: 28500 -
Relay Switch Modules
12V 16 Channel Relay Module with Light Coupling LM2576 Power Supply
SKU: 28443- 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: 28443 -
Relay Switch Modules
1 Road/Channel Relay Module (with light coupling) 12V
SKU: 31186- Operating Voltage: 12V DC
- Equipped with high-current relay [email protected] / [email protected]
- 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: 31186 -
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Relay Switch Modules
12V Dual Channel Relay Module (with Light Coupling)
SKU: 31210- 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 [email protected] / [email protected]
- 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: 31210 -
Relay Switch Modules
XH-M131 DC 12V Light Control Switch Photoresistor Relay Module
SKU: 699631- Material – Steel, Plastic, PVC
- Power Supply – DC 12V
- Operating Current – Before the relay actuation: less than 5mA
Relay after pull-in: 5V module is less than 50mA - Switching Voltage: [email protected]; [email protected]
SKU: 699631 -
Relay Switch Modules
4 Road/Channel Relay Module (with light coupling) 12V
SKU: 31219- Operating Voltage: 12V DC
- Equipped with high-current relay [email protected] / [email protected]
- 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: 31219 -
Relay Switch Modules
24V Dual Channel Relay Module (with Light Coupling)
SKU: 31217- 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 [email protected] / [email protected]
- 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: 31217 -
Relay Switch Modules
1 Road/Channel Relay Module (with light coupling) 24V
SKU: 31206- Operating Voltage: 24V DC
- Equipped with high-current relay [email protected] / [email protected]
- 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: 31206 -
Relay Switch Modules
12V 4 Channel Relay Module
SKU: 618377- 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: 618377 -
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Relay Switch Modules
24V 4-Channel Relay Module (with Light Coupling)
SKU: 31227- 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 [email protected] / [email protected]
- 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: 31227 -
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Relay Switch Modules
5V 16 Channel Relay Module with Light Coupling LM2596 Power Supply
SKU: 400914- 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: 400914 -
Relay Switch Modules
5V 8 Channel Relay Module
SKU: 618461- 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: 618461 -
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Relay Switch Modules
8 Channel 12V Relay Module USB (PC Intelligent) Control Switch
SKU: 28545- Square onboard USB interface for connection stability
- The use of imported high-performance USB controller chip
- Use the special relay driver chip ULN2803, relay work more stable
- Military grade PCB board production
- Input voltage: DC 12 V
- Input Current: more than 300mA
- Connection : NC / COM / NO
SKU: 28545 -
Relay Switch Modules
8 Channel 5V Solid State Relay Module Board OMRON for Arduino
SKU: 43107- 8-channel 2 AMP Solid State Relay board.
- Control 8 loads of up to 2 amps each at 120 V or 240 VAC.
- Good for lighting, Holiday displays etc.
- With 8 Solid State Relays: 2A at 100 to 240 VAC.(50/60 Hz).
- Power supply: 5 V DC(160 mA)
- Trigger Current: 2mA
- Trigger Voltage: 3.3V-5V
SKU: 43107 -
Relay Switch Modules
USB Control 1 Channel Module 5V Relay Module
SKU: 31300- Contact type: NC / COM / NO
- Input current: ≥300mA
- Input voltage: DC 5V
- Support Win7, XP 32-bit systems
- 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: 31300 -
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Relay Switch Modules
ESP8266 10A DC 7-30V Network Relay WIFI Module
SKU: 314748- With ESP8266 Wifi module,4-layers board design.
- Input overvoltage protection, input with TVS, when the voltage exceeds 33V,
- automatic protection will operate.
- Input overcurrent protection.
- 220V 10A relay, one normally open, one normally closed.
- One way optocoupler isolation input, TVS input protection.
SKU: 314748
