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18% off
10pcs 1 Channel 5V 12V 24V Relay Module Board Shield With Optocoupler Support High and Low Level Trigger Relays For arduino 10pcs 1 Channel 5V 12V 24V Relay Module Board Shield With Optocoupler Support High and Low Level Trigger Relays For arduino

10pcs 1 Channel 5V 12V 24V Relay Module Board Shield With Optocoupler Support High and Low Level Trigger Relays For arduino

$8.97$10.94

44 sold
1% off
5/12V 1/2/4/6/8 Channel Relay Module With Optocoupler Relay Output 1 2 4 6 8 Way Relay Module For Arduino In Stock 5/12V 1/2/4/6/8 Channel Relay Module With Optocoupler Relay Output 1 2 4 6 8 Way Relay Module For Arduino In Stock

5/12V 1/2/4/6/8 Channel Relay Module With Optocoupler Relay Output 1 2 4 6 8 Way Relay Module For Arduino In Stock

$12.49$12.62

20 sold
2% off
4-32 Channel IO Card PLC Signal Amplifier Board PNP NPN Conversion Input Optocoupler Isolation Transistor tigger voltage 12V 24V 4-32 Channel IO Card PLC Signal Amplifier Board PNP NPN Conversion Input Optocoupler Isolation Transistor tigger voltage 12V 24V

4-32 Channel IO Card PLC Signal Amplifier Board PNP NPN Conversion Input Optocoupler Isolation Transistor tigger voltage 12V 24V

$109.45$112.30

18 sold
30% off
3.3V 5V 12V 24V 1 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay Module Board 3.3V 5V 12V 24V 1 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay Module Board

3.3V 5V 12V 24V 1 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay Module Board

$15.51$22.16

61 sold
51% off
3.3V 5V 12V 24V 1 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay Module Board 3.3V 5V 12V 24V 1 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay Module Board

3.3V 5V 12V 24V 1 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay Module Board

$31.86$65.03

33 sold
1% off
6N137 Dual Optocoupler Two-Way UART Serial Port Isolation Module 600-250K Baud RS232/TTL Communication Isolator 6N137 Dual Optocoupler Two-Way UART Serial Port Isolation Module 600-250K Baud RS232/TTL Communication Isolator

6N137 Dual Optocoupler Two-Way UART Serial Port Isolation Module 600-250K Baud RS232/TTL Communication Isolator

$3.55$3.57

34 sold
1% off
Stlxy 1-Bit AC 220V Optocoupler Isolation Module Voltage Detect Board Adaptive 3-5V For PLC Isolamento Fotoaccoppiatore Module Stlxy 1-Bit AC 220V Optocoupler Isolation Module Voltage Detect Board Adaptive 3-5V For PLC Isolamento Fotoaccoppiatore Module

Stlxy 1-Bit AC 220V Optocoupler Isolation Module Voltage Detect Board Adaptive 3-5V For PLC Isolamento Fotoaccoppiatore Module

$2.41$2.42

25 sold
25% off
DC 5V 12V 24V 30A High Power 1 Channel Relay Module With Optocoupler Isolation H/L Level Triger for Arduino Relays DC 5V 12V 24V 30A High Power 1 Channel Relay Module With Optocoupler Isolation H/L Level Triger for Arduino Relays

DC 5V 12V 24V 30A High Power 1 Channel Relay Module With Optocoupler Isolation H/L Level Triger for Arduino Relays

$2.13$2.84

23 sold
5V 12V 24V Relay Module With Optocoupler Relay Output 1 2 4 6 8 16Way Relay Module For Automation Equipment Control 5V 12V 24V Relay Module With Optocoupler Relay Output 1 2 4 6 8 16Way Relay Module For Automation Equipment Control

5V 12V 24V Relay Module With Optocoupler Relay Output 1 2 4 6 8 16Way Relay Module For Automation Equipment Control

$2.13$2.13

41 sold
56% off
DC 9-24V 4/8 Channel ESP32 Modbus Relay RS485 Optocoupler Isolation Optional Enclosure Power Supply CH340 Chip DC 9-24V 4/8 Channel ESP32 Modbus Relay RS485 Optocoupler Isolation Optional Enclosure Power Supply CH340 Chip

DC 9-24V 4/8 Channel ESP32 Modbus Relay RS485 Optocoupler Isolation Optional Enclosure Power Supply CH340 Chip

$35.85$81.78

34 sold
51% off
DC 9-24V 4-Channel/8-Channel Relay Module Esp32 Rs485 Modbus Wifi Bluetooth Relay Optocoupler Isolation Module Tyep C DC 9-24V 4-Channel/8-Channel Relay Module Esp32 Rs485 Modbus Wifi Bluetooth Relay Optocoupler Isolation Module Tyep C

DC 9-24V 4-Channel/8-Channel Relay Module Esp32 Rs485 Modbus Wifi Bluetooth Relay Optocoupler Isolation Module Tyep C

$40.07$81.78

23 sold
5% off
DC12V Multifunction Delay Timing on/off Optocouple Relay Module 30A Switch Timer DC12V Multifunction Delay Timing on/off Optocouple Relay Module 30A Switch Timer

DC12V Multifunction Delay Timing on/off Optocouple Relay Module 30A Switch Timer

$23.62$24.86

28 sold
51% off
DC 12V Trigger Cycle Delay Timer Switch Turn On Off Relay with Buzzer LED Display 3-Button Optocoupler Isolated Time Delay Relay DC 12V Trigger Cycle Delay Timer Switch Turn On Off Relay with Buzzer LED Display 3-Button Optocoupler Isolated Time Delay Relay

DC 12V Trigger Cycle Delay Timer Switch Turn On Off Relay with Buzzer LED Display 3-Button Optocoupler Isolated Time Delay Relay

$39.37$80.34

58 sold
1% off
1-10Pcs MOS Optocoupler Isolation Driver Drive Module Field Effect Transistor Trigger Switch 3V-20V PWM Control Controller Board 1-10Pcs MOS Optocoupler Isolation Driver Drive Module Field Effect Transistor Trigger Switch 3V-20V PWM Control Controller Board

1-10Pcs MOS Optocoupler Isolation Driver Drive Module Field Effect Transistor Trigger Switch 3V-20V PWM Control Controller Board

$2.14$2.15

41 sold
5/12/24V 1/2/4/6/8 Relay Module 8 channels,with optocoupler relay output 1 2 4 6 Relay Module 8 channels Low level trigger 5/12/24V 1/2/4/6/8 Relay Module 8 channels,with optocoupler relay output 1 2 4 6 Relay Module 8 channels Low level trigger

5/12/24V 1/2/4/6/8 Relay Module 8 channels,with optocoupler relay output 1 2 4 6 Relay Module 8 channels Low level trigger

$1.94$1.94

39 sold
3.3V 5V 12V 24V 1 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay Module Board 3.3V 5V 12V 24V 1 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay Module Board

3.3V 5V 12V 24V 1 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay Module Board

$18.49$18.49

29 sold
42% off
ENMG SDR25A2032 Solid State Relay SSR 25A 5/12/24VDC Control 220VAC Load DIN Rail Mount Optocoupler Isolation Enhanced Heat Diss ENMG SDR25A2032 Solid State Relay SSR 25A 5/12/24VDC Control 220VAC Load DIN Rail Mount Optocoupler Isolation Enhanced Heat Diss

ENMG SDR25A2032 Solid State Relay SSR 25A 5/12/24VDC Control 220VAC Load DIN Rail Mount Optocoupler Isolation Enhanced Heat Diss

$100.90$175.41

38 sold
51% off
1/5/10Pcs Javino 1 Channel 30A Relay Module with Optocoupler Isolation 5V/12V/24V High/Low Level Trigger 1/5/10Pcs Javino 1 Channel 30A Relay Module with Optocoupler Isolation 5V/12V/24V High/Low Level Trigger

1/5/10Pcs Javino 1 Channel 30A Relay Module with Optocoupler Isolation 5V/12V/24V High/Low Level Trigger

$35.29$72.02

40 sold
17% off
ONE 1 Channel Relay Module 30A with Optocoupler Isolation 5V 12V 24V Supports High and low Triger trigger ONE 1 Channel Relay Module 30A with Optocoupler Isolation 5V 12V 24V Supports High and low Triger trigger

ONE 1 Channel Relay Module 30A with Optocoupler Isolation 5V 12V 24V Supports High and low Triger trigger

$1.83$2.20

18 sold
15% off
5V 12V 24V Relay Module High and Low Level Trigger Relay Control With Optocoupler 1/2/4/12 Way Relays DC 5 V 12 V 24 V Volt 5V 12V 24V Relay Module High and Low Level Trigger Relay Control With Optocoupler 1/2/4/12 Way Relays DC 5 V 12 V 24 V Volt

5V 12V 24V Relay Module High and Low Level Trigger Relay Control With Optocoupler 1/2/4/12 Way Relays DC 5 V 12 V 24 V Volt

$1.50$1.78

46 sold
51% off
5V 9V 12V 24V One 1 Channel Relay Module Shield with Optocoupler Isolation Relay Switch Board Support High and Low Level Trigger 5V 9V 12V 24V One 1 Channel Relay Module Shield with Optocoupler Isolation Relay Switch Board Support High and Low Level Trigger

5V 9V 12V 24V One 1 Channel Relay Module Shield with Optocoupler Isolation Relay Switch Board Support High and Low Level Trigger

$27.13$55.37

32 sold
22% off
10PCS DC 5V 12V 24V 1 Channel Relay Module Shield For Raspberry Pi With Optocoupler Support High and Low Level Trigger Relays 10PCS DC 5V 12V 24V 1 Channel Relay Module Shield For Raspberry Pi With Optocoupler Support High and Low Level Trigger Relays

10PCS DC 5V 12V 24V 1 Channel Relay Module Shield For Raspberry Pi With Optocoupler Support High and Low Level Trigger Relays

$10.81$13.86

45 sold
50% off
30A Relay Module High Power One Way High/Low Level Trigger Optocoupler Isolation Relay Module 30A YYG‑2 One Way Relay Module 30A Relay Module High Power One Way High/Low Level Trigger Optocoupler Isolation Relay Module 30A YYG‑2 One Way Relay Module

30A Relay Module High Power One Way High/Low Level Trigger Optocoupler Isolation Relay Module 30A YYG‑2 One Way Relay Module

$38.69$77.39

21 sold
50% off
30A YYG-2 DC 5V/12V/24V Relay Module High Power One Way High/Low Level Trigger Optocoupler Isolation Relay Module 30A YYG-2 DC 5V/12V/24V Relay Module High Power One Way High/Low Level Trigger Optocoupler Isolation Relay Module

30A YYG-2 DC 5V/12V/24V Relay Module High Power One Way High/Low Level Trigger Optocoupler Isolation Relay Module

$37.40$74.80

18 sold
51% off
ESP32 4/8 Channel WIFI Relay Development Board RS485 USART Modbus WIFI Bluetooth Relay Optocoupler Isolate Module DC9-24V Tyep C ESP32 4/8 Channel WIFI Relay Development Board RS485 USART Modbus WIFI Bluetooth Relay Optocoupler Isolate Module DC9-24V Tyep C

ESP32 4/8 Channel WIFI Relay Development Board RS485 USART Modbus WIFI Bluetooth Relay Optocoupler Isolate Module DC9-24V Tyep C

$39.32$80.24

49 sold
27% off
16 Channel Relay Shield Module DC 5V 12V 24V with Optocoupler LM2576 Microcontrollers Interface Power Relay For Arduino DIY Kit 16 Channel Relay Shield Module DC 5V 12V 24V with Optocoupler LM2576 Microcontrollers Interface Power Relay For Arduino DIY Kit

16 Channel Relay Shield Module DC 5V 12V 24V with Optocoupler LM2576 Microcontrollers Interface Power Relay For Arduino DIY Kit

$4.70$6.44

18 sold
6% off
5v 12v 1 2 4 6 8 channel relay module with optocoupler Relay Output 1 2 4 6 8 way relay module for arduino In stock 5v 12v 1 2 4 6 8 channel relay module with optocoupler Relay Output 1 2 4 6 8 way relay module for arduino In stock

5v 12v 1 2 4 6 8 channel relay module with optocoupler Relay Output 1 2 4 6 8 way relay module for arduino In stock

$0.68$0.72

35 sold
50% off
1/10PCS Javino DC 5V/12V/24V 1/2/4/6/8 Channel Relay Module with Optocoupler - High/Low Level Trigger for Arduino Raspberry Pi 1/10PCS Javino DC 5V/12V/24V 1/2/4/6/8 Channel Relay Module with Optocoupler - High/Low Level Trigger for Arduino Raspberry Pi

1/10PCS Javino DC 5V/12V/24V 1/2/4/6/8 Channel Relay Module with Optocoupler - High/Low Level Trigger for Arduino Raspberry Pi

$25.71$51.42

32 sold
50% off
5V 12V One 1 Channel Relay Module Board Shield with optocoupler Support High and Low Level Trigger 5V 12V One 1 Channel Relay Module Board Shield with optocoupler Support High and Low Level Trigger

5V 12V One 1 Channel Relay Module Board Shield with optocoupler Support High and Low Level Trigger

$26.21$52.43

32 sold
52% off
DC 12V Timer Delay Relay Module Cycle Timer Switch Optocoupler Isolation Trigger Timing Delay Relay LED Smart Home Controller DC 12V Timer Delay Relay Module Cycle Timer Switch Optocoupler Isolation Trigger Timing Delay Relay LED Smart Home Controller

DC 12V Timer Delay Relay Module Cycle Timer Switch Optocoupler Isolation Trigger Timing Delay Relay LED Smart Home Controller

$38.09$79.35

40 sold
23% off
1 Channel 5V 12V 24V Relay Module Board Shield With Optocoupler 12V Relay Module Support High and Low Level Trigger for Arduino 1 Channel 5V 12V 24V Relay Module Board Shield With Optocoupler 12V Relay Module Support High and Low Level Trigger for Arduino

1 Channel 5V 12V 24V Relay Module Board Shield With Optocoupler 12V Relay Module Support High and Low Level Trigger for Arduino

$0.85$1.10

18 sold
Single-chip Microcontroller PLC DC Amplifier Board 4/8/12/16 Channel Universal Input PNP or NPN Output Optocoupler board 12V/24V Single-chip Microcontroller PLC DC Amplifier Board 4/8/12/16 Channel Universal Input PNP or NPN Output Optocoupler board 12V/24V

Single-chip Microcontroller PLC DC Amplifier Board 4/8/12/16 Channel Universal Input PNP or NPN Output Optocoupler board 12V/24V

$6.80$6.80

31 sold
Slot Type IR Optocoupler Speed Sensor Module 3.3V-5V Counter Module 51 AVR PIC 3.3V-5V Diy Kit Optical Speed Measuring Module Slot Type IR Optocoupler Speed Sensor Module 3.3V-5V Counter Module 51 AVR PIC 3.3V-5V Diy Kit Optical Speed Measuring Module

Slot Type IR Optocoupler Speed Sensor Module 3.3V-5V Counter Module 51 AVR PIC 3.3V-5V Diy Kit Optical Speed Measuring Module

$1.79$1.79

23 sold
5V 12V 24V Relay Module With Optocoupler Relay Output 1 2 4 6 8 16Way Relay Module For Arduino PLC Automation Equipment Control 5V 12V 24V Relay Module With Optocoupler Relay Output 1 2 4 6 8 16Way Relay Module For Arduino PLC Automation Equipment Control

5V 12V 24V Relay Module With Optocoupler Relay Output 1 2 4 6 8 16Way Relay Module For Arduino PLC Automation Equipment Control

$2.03$2.03

18 sold
54% off
5pcs 5V 2 Channel 5V Relay Module with Optocoupler Low Level Trigger Expansion Board Compatible with R3 MEGA 2560 1280 DSP ARM 5pcs 5V 2 Channel 5V Relay Module with Optocoupler Low Level Trigger Expansion Board Compatible with R3 MEGA 2560 1280 DSP ARM

5pcs 5V 2 Channel 5V Relay Module with Optocoupler Low Level Trigger Expansion Board Compatible with R3 MEGA 2560 1280 DSP ARM

$74.41$161.77

47 sold
27% off
DC 5V 12V 24V 1 2 4 6 8 Channel Relay Module Board Shield with Optocoupler / High and Low Level Trigger for arduino Raspberry Pi DC 5V 12V 24V 1 2 4 6 8 Channel Relay Module Board Shield with Optocoupler / High and Low Level Trigger for arduino Raspberry Pi

DC 5V 12V 24V 1 2 4 6 8 Channel Relay Module Board Shield with Optocoupler / High and Low Level Trigger for arduino Raspberry Pi

$0.98$1.34

36 sold
18% off
10pcs 1 Channel 5V 12V 24V Relay Module Board Shield With Optocoupler Support High and Low Level Trigger Relays For arduino 10pcs 1 Channel 5V 12V 24V Relay Module Board Shield With Optocoupler Support High and Low Level Trigger Relays For arduino

10pcs 1 Channel 5V 12V 24V Relay Module Board Shield With Optocoupler Support High and Low Level Trigger Relays For arduino

$8.97 $10.94

44 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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1% off
5/12V 1/2/4/6/8 Channel Relay Module With Optocoupler Relay Output 1 2 4 6 8 Way Relay Module For Arduino In Stock 5/12V 1/2/4/6/8 Channel Relay Module With Optocoupler Relay Output 1 2 4 6 8 Way Relay Module For Arduino In Stock

5/12V 1/2/4/6/8 Channel Relay Module With Optocoupler Relay Output 1 2 4 6 8 Way Relay Module For Arduino In Stock

$12.49 $12.62

20 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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2% off
4-32 Channel IO Card PLC Signal Amplifier Board PNP NPN Conversion Input Optocoupler Isolation Transistor tigger voltage 12V 24V 4-32 Channel IO Card PLC Signal Amplifier Board PNP NPN Conversion Input Optocoupler Isolation Transistor tigger voltage 12V 24V

4-32 Channel IO Card PLC Signal Amplifier Board PNP NPN Conversion Input Optocoupler Isolation Transistor tigger voltage 12V 24V

$109.45 $112.30

18 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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30% off
3.3V 5V 12V 24V 1 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay Module Board 3.3V 5V 12V 24V 1 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay Module Board

3.3V 5V 12V 24V 1 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay Module Board

$15.51 $22.16

61 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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51% off
3.3V 5V 12V 24V 1 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay Module Board 3.3V 5V 12V 24V 1 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay Module Board

3.3V 5V 12V 24V 1 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay Module Board

$31.86 $65.03

33 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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1% off
6N137 Dual Optocoupler Two-Way UART Serial Port Isolation Module 600-250K Baud RS232/TTL Communication Isolator 6N137 Dual Optocoupler Two-Way UART Serial Port Isolation Module 600-250K Baud RS232/TTL Communication Isolator

6N137 Dual Optocoupler Two-Way UART Serial Port Isolation Module 600-250K Baud RS232/TTL Communication Isolator

$3.55 $3.57

34 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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1% off
Stlxy 1-Bit AC 220V Optocoupler Isolation Module Voltage Detect Board Adaptive 3-5V For PLC Isolamento Fotoaccoppiatore Module Stlxy 1-Bit AC 220V Optocoupler Isolation Module Voltage Detect Board Adaptive 3-5V For PLC Isolamento Fotoaccoppiatore Module

Stlxy 1-Bit AC 220V Optocoupler Isolation Module Voltage Detect Board Adaptive 3-5V For PLC Isolamento Fotoaccoppiatore Module

$2.41 $2.42

25 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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25% off
DC 5V 12V 24V 30A High Power 1 Channel Relay Module With Optocoupler Isolation H/L Level Triger for Arduino Relays DC 5V 12V 24V 30A High Power 1 Channel Relay Module With Optocoupler Isolation H/L Level Triger for Arduino Relays

DC 5V 12V 24V 30A High Power 1 Channel Relay Module With Optocoupler Isolation H/L Level Triger for Arduino Relays

$2.13 $2.84

23 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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5V 12V 24V Relay Module With Optocoupler Relay Output 1 2 4 6 8 16Way Relay Module For Automation Equipment Control 5V 12V 24V Relay Module With Optocoupler Relay Output 1 2 4 6 8 16Way Relay Module For Automation Equipment Control

5V 12V 24V Relay Module With Optocoupler Relay Output 1 2 4 6 8 16Way Relay Module For Automation Equipment Control

$2.13 $2.13

41 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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56% off
DC 9-24V 4/8 Channel ESP32 Modbus Relay RS485 Optocoupler Isolation Optional Enclosure Power Supply CH340 Chip DC 9-24V 4/8 Channel ESP32 Modbus Relay RS485 Optocoupler Isolation Optional Enclosure Power Supply CH340 Chip

DC 9-24V 4/8 Channel ESP32 Modbus Relay RS485 Optocoupler Isolation Optional Enclosure Power Supply CH340 Chip

$35.85 $81.78

34 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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51% off
DC 9-24V 4-Channel/8-Channel Relay Module Esp32 Rs485 Modbus Wifi Bluetooth Relay Optocoupler Isolation Module Tyep C DC 9-24V 4-Channel/8-Channel Relay Module Esp32 Rs485 Modbus Wifi Bluetooth Relay Optocoupler Isolation Module Tyep C

DC 9-24V 4-Channel/8-Channel Relay Module Esp32 Rs485 Modbus Wifi Bluetooth Relay Optocoupler Isolation Module Tyep C

$40.07 $81.78

23 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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5% off
DC12V Multifunction Delay Timing on/off Optocouple Relay Module 30A Switch Timer DC12V Multifunction Delay Timing on/off Optocouple Relay Module 30A Switch Timer

DC12V Multifunction Delay Timing on/off Optocouple Relay Module 30A Switch Timer

$23.62 $24.86

28 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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51% off
DC 12V Trigger Cycle Delay Timer Switch Turn On Off Relay with Buzzer LED Display 3-Button Optocoupler Isolated Time Delay Relay DC 12V Trigger Cycle Delay Timer Switch Turn On Off Relay with Buzzer LED Display 3-Button Optocoupler Isolated Time Delay Relay

DC 12V Trigger Cycle Delay Timer Switch Turn On Off Relay with Buzzer LED Display 3-Button Optocoupler Isolated Time Delay Relay

$39.37 $80.34

58 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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1% off
1-10Pcs MOS Optocoupler Isolation Driver Drive Module Field Effect Transistor Trigger Switch 3V-20V PWM Control Controller Board 1-10Pcs MOS Optocoupler Isolation Driver Drive Module Field Effect Transistor Trigger Switch 3V-20V PWM Control Controller Board

1-10Pcs MOS Optocoupler Isolation Driver Drive Module Field Effect Transistor Trigger Switch 3V-20V PWM Control Controller Board

$2.14 $2.15

41 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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5/12/24V 1/2/4/6/8 Relay Module 8 channels,with optocoupler relay output 1 2 4 6 Relay Module 8 channels Low level trigger 5/12/24V 1/2/4/6/8 Relay Module 8 channels,with optocoupler relay output 1 2 4 6 Relay Module 8 channels Low level trigger

5/12/24V 1/2/4/6/8 Relay Module 8 channels,with optocoupler relay output 1 2 4 6 Relay Module 8 channels Low level trigger

$1.94 $1.94

39 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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3.3V 5V 12V 24V 1 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay Module Board 3.3V 5V 12V 24V 1 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay Module Board

3.3V 5V 12V 24V 1 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay Module Board

$18.49 $18.49

29 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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42% off
ENMG SDR25A2032 Solid State Relay SSR 25A 5/12/24VDC Control 220VAC Load DIN Rail Mount Optocoupler Isolation Enhanced Heat Diss ENMG SDR25A2032 Solid State Relay SSR 25A 5/12/24VDC Control 220VAC Load DIN Rail Mount Optocoupler Isolation Enhanced Heat Diss

ENMG SDR25A2032 Solid State Relay SSR 25A 5/12/24VDC Control 220VAC Load DIN Rail Mount Optocoupler Isolation Enhanced Heat Diss

$100.90 $175.41

38 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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51% off
1/5/10Pcs Javino 1 Channel 30A Relay Module with Optocoupler Isolation 5V/12V/24V High/Low Level Trigger 1/5/10Pcs Javino 1 Channel 30A Relay Module with Optocoupler Isolation 5V/12V/24V High/Low Level Trigger

1/5/10Pcs Javino 1 Channel 30A Relay Module with Optocoupler Isolation 5V/12V/24V High/Low Level Trigger

$35.29 $72.02

40 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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17% off
ONE 1 Channel Relay Module 30A with Optocoupler Isolation 5V 12V 24V Supports High and low Triger trigger ONE 1 Channel Relay Module 30A with Optocoupler Isolation 5V 12V 24V Supports High and low Triger trigger

ONE 1 Channel Relay Module 30A with Optocoupler Isolation 5V 12V 24V Supports High and low Triger trigger

$1.83 $2.20

18 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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15% off
5V 12V 24V Relay Module High and Low Level Trigger Relay Control With Optocoupler 1/2/4/12 Way Relays DC 5 V 12 V 24 V Volt 5V 12V 24V Relay Module High and Low Level Trigger Relay Control With Optocoupler 1/2/4/12 Way Relays DC 5 V 12 V 24 V Volt

5V 12V 24V Relay Module High and Low Level Trigger Relay Control With Optocoupler 1/2/4/12 Way Relays DC 5 V 12 V 24 V Volt

$1.50 $1.78

46 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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51% off
5V 9V 12V 24V One 1 Channel Relay Module Shield with Optocoupler Isolation Relay Switch Board Support High and Low Level Trigger 5V 9V 12V 24V One 1 Channel Relay Module Shield with Optocoupler Isolation Relay Switch Board Support High and Low Level Trigger

5V 9V 12V 24V One 1 Channel Relay Module Shield with Optocoupler Isolation Relay Switch Board Support High and Low Level Trigger

$27.13 $55.37

32 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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22% off
10PCS DC 5V 12V 24V 1 Channel Relay Module Shield For Raspberry Pi With Optocoupler Support High and Low Level Trigger Relays 10PCS DC 5V 12V 24V 1 Channel Relay Module Shield For Raspberry Pi With Optocoupler Support High and Low Level Trigger Relays

10PCS DC 5V 12V 24V 1 Channel Relay Module Shield For Raspberry Pi With Optocoupler Support High and Low Level Trigger Relays

$10.81 $13.86

45 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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50% off
30A Relay Module High Power One Way High/Low Level Trigger Optocoupler Isolation Relay Module 30A YYG‑2 One Way Relay Module 30A Relay Module High Power One Way High/Low Level Trigger Optocoupler Isolation Relay Module 30A YYG‑2 One Way Relay Module

30A Relay Module High Power One Way High/Low Level Trigger Optocoupler Isolation Relay Module 30A YYG‑2 One Way Relay Module

$38.69 $77.39

21 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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50% off
30A YYG-2 DC 5V/12V/24V Relay Module High Power One Way High/Low Level Trigger Optocoupler Isolation Relay Module 30A YYG-2 DC 5V/12V/24V Relay Module High Power One Way High/Low Level Trigger Optocoupler Isolation Relay Module

30A YYG-2 DC 5V/12V/24V Relay Module High Power One Way High/Low Level Trigger Optocoupler Isolation Relay Module

$37.40 $74.80

18 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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51% off
ESP32 4/8 Channel WIFI Relay Development Board RS485 USART Modbus WIFI Bluetooth Relay Optocoupler Isolate Module DC9-24V Tyep C ESP32 4/8 Channel WIFI Relay Development Board RS485 USART Modbus WIFI Bluetooth Relay Optocoupler Isolate Module DC9-24V Tyep C

ESP32 4/8 Channel WIFI Relay Development Board RS485 USART Modbus WIFI Bluetooth Relay Optocoupler Isolate Module DC9-24V Tyep C

$39.32 $80.24

49 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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