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35% off
16-channel Relay Module 5V with Optocoupler Protection 5V Relay Module LM2596S Chip 180 *90 *20mm Relay Module Board 16-channel Relay Module 5V with Optocoupler Protection 5V Relay Module LM2596S Chip 180 *90 *20mm Relay Module Board

16-channel Relay Module 5V with Optocoupler Protection 5V Relay Module LM2596S Chip 180 *90 *20mm Relay Module Board

$65.90$101.38

2 sold
10% off
(10piece)TLP3022 TLP3021 TLP3023 TLP3041 TLP3042 TLP3043 DIP5 direct insertion optocoupler

(10piece)TLP3022 TLP3021 TLP3023 TLP3041 TLP3042 TLP3043 DIP5 direct insertion optocoupler

$4.95$5.50

2 sold
27% 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

$7.95$10.89

1 sold
MOS FET 4 Channel Pulse Trigger Switch Controller Board PWM Optocoupler Opto-isolator Driver Board For Motor LED Light MOS FET 4 Channel Pulse Trigger Switch Controller Board PWM Optocoupler Opto-isolator Driver Board For Motor LED Light

MOS FET 4 Channel Pulse Trigger Switch Controller Board PWM Optocoupler Opto-isolator Driver Board For Motor LED Light

$3.37$3.37

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

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

$39.12$78.24

2 sold
10% off
(10piece)ORPC-817SC 817SC ORPC-817SB PC817C SMT SOP-4 Optocoupler Ohrend C-level Optocoupler (10piece)ORPC-817SC 817SC ORPC-817SB PC817C SMT SOP-4 Optocoupler Ohrend C-level Optocoupler

(10piece)ORPC-817SC 817SC ORPC-817SB PC817C SMT SOP-4 Optocoupler Ohrend C-level Optocoupler

$1.99$2.21

2 sold
3% off
6N137 Optocoupler Isolation Board DIP8 High Speed Signal Level Converter 5V NPN Output for Data Acquisition System 6N137 Optocoupler Isolation Board DIP8 High Speed Signal Level Converter 5V NPN Output for Data Acquisition System

6N137 Optocoupler Isolation Board DIP8 High Speed Signal Level Converter 5V NPN Output for Data Acquisition System

$5.53$5.71

2 sold
50% off
IR Infrared Slotted Optical Speed Measuring Sensor Detection Optocoupler Module For Motor Test IR Infrared Slotted Optical Spee IR Infrared Slotted Optical Speed Measuring Sensor Detection Optocoupler Module For Motor Test IR Infrared Slotted Optical Spee

IR Infrared Slotted Optical Speed Measuring Sensor Detection Optocoupler Module For Motor Test IR Infrared Slotted Optical Spee

$22.87$45.75

17 sold
19% off
10PCS MOCD213 D213 MOCD205 D205 MOCD216 D216 MOCD217 D217 MOCD207 D207 MOCD208 D208 MOCD211 D211 SOP8Phototransistor Optocoupler 10PCS MOCD213 D213 MOCD205 D205 MOCD216 D216 MOCD217 D217 MOCD207 D207 MOCD208 D208 MOCD211 D211 SOP8Phototransistor Optocoupler

10PCS MOCD213 D213 MOCD205 D205 MOCD216 D216 MOCD217 D217 MOCD207 D207 MOCD208 D208 MOCD211 D211 SOP8Phototransistor Optocoupler

$1.46$1.80

2 sold
51% off
DC 3.3V 5V 12V 24V 1 Channel Relay Module With Optocoupler Shield Board High Low Level Trigger Power Supply Module For Arduino DC 3.3V 5V 12V 24V 1 Channel Relay Module With Optocoupler Shield Board High Low Level Trigger Power Supply Module For Arduino

DC 3.3V 5V 12V 24V 1 Channel Relay Module With Optocoupler Shield Board High Low Level Trigger Power Supply Module For Arduino

$29.95$61.12

2 sold
30% off
6 Channel Relay Module 5V 12V 24V High and Low Level Trigger Relay Control With Optocoupler 6 Way Relays DC 5 V 12 V 24 V Volt 6 Channel Relay Module 5V 12V 24V High and Low Level Trigger Relay Control With Optocoupler 6 Way Relays DC 5 V 12 V 24 V Volt

6 Channel Relay Module 5V 12V 24V High and Low Level Trigger Relay Control With Optocoupler 6 Way Relays DC 5 V 12 V 24 V Volt

$3.95$5.64

2 sold
15% off
STOCK 50pcs/lot TLP3023 TLP3052 Optocoupler Triac AC-out 400V 600V 5mA PDIP6 New Original STOCK 50pcs/lot TLP3023 TLP3052 Optocoupler Triac AC-out 400V 600V 5mA PDIP6 New Original

STOCK 50pcs/lot TLP3023 TLP3052 Optocoupler Triac AC-out 400V 600V 5mA PDIP6 New Original

$16.57$19.50

2 sold
3% off
AMSAMOTION USB Isolator 3.0 Solation Cable 480M High-Speed for Noise Audio Signal Optimizer Optocoupler Audio EMI/RFI Shielding AMSAMOTION USB Isolator 3.0 Solation Cable 480M High-Speed for Noise Audio Signal Optimizer Optocoupler Audio EMI/RFI Shielding

AMSAMOTION USB Isolator 3.0 Solation Cable 480M High-Speed for Noise Audio Signal Optimizer Optocoupler Audio EMI/RFI Shielding

$269.76$278.10

2 sold
30% off
5V 12V 1 2 4 8 channel relay module with optocoupler Output 1 2 4 6 8 way relay 5v 12v Low Level Trigger for AVR DSP ARM MCU 5V 12V 1 2 4 8 channel relay module with optocoupler Output 1 2 4 6 8 way relay 5v 12v Low Level Trigger for AVR DSP ARM MCU

5V 12V 1 2 4 8 channel relay module with optocoupler Output 1 2 4 6 8 way relay 5v 12v Low Level Trigger for AVR DSP ARM MCU

$0.79$1.13

2 sold
MRI-05D05 100KHZ PLC LED Signal Opto Coupler Relay 5V DC 8mA Input Output 4-18VDC 50mA Interface Voltage Relay Module DIN Rail MRI-05D05 100KHZ PLC LED Signal Opto Coupler Relay 5V DC 8mA Input Output 4-18VDC 50mA Interface Voltage Relay Module DIN Rail

MRI-05D05 100KHZ PLC LED Signal Opto Coupler Relay 5V DC 8mA Input Output 4-18VDC 50mA Interface Voltage Relay Module DIN Rail

$8.89$8.89

2 sold
5% off
5v 8 Channel Relay Module Board With Optocoupler Output 8 Way For Arduino 5v 8 Channel Relay Module Board With Optocoupler Output 8 Way For Arduino

5v 8 Channel Relay Module Board With Optocoupler Output 8 Way For Arduino

$4.48$4.72

1 sold
5% off
5V 4-Channel Relay Module Low Level Trigger With Optocoupler 4 Road Relay Module for Arduino Raspberry Pi 5V 4-Channel Relay Module Low Level Trigger With Optocoupler 4 Road Relay Module for Arduino Raspberry Pi

5V 4-Channel Relay Module Low Level Trigger With Optocoupler 4 Road Relay Module for Arduino Raspberry Pi

$4.75$5.00

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

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

$30.14$61.51

2 sold
MRI-05D48 5V DC Optocoupler Relay Module PLC Signal Isolation Anti-Interference High frequency 300hz DIN Rail SSR Fast Response MRI-05D48 5V DC Optocoupler Relay Module PLC Signal Isolation Anti-Interference High frequency 300hz DIN Rail SSR Fast Response

MRI-05D48 5V DC Optocoupler Relay Module PLC Signal Isolation Anti-Interference High frequency 300hz DIN Rail SSR Fast Response

$6.64$6.64

2 sold
51% off
Javino 1/5/10Pcs Two-way UART Communication Protocol Serial Port Isolation Module Dual 6N137 Optocoupler Chip of 600-250K Baud Javino 1/5/10Pcs Two-way UART Communication Protocol Serial Port Isolation Module Dual 6N137 Optocoupler Chip of 600-250K Baud

Javino 1/5/10Pcs Two-way UART Communication Protocol Serial Port Isolation Module Dual 6N137 Optocoupler Chip of 600-250K Baud

$34.42$70.24

9 sold
66% off
6GK1571-0BA00-0AA0 USB Programming Cable for S7-200/300/400 PLCs with Optocoupler Isolation and Auto Baud Rate Matching 6GK1571-0BA00-0AA0 USB Programming Cable for S7-200/300/400 PLCs with Optocoupler Isolation and Auto Baud Rate Matching

6GK1571-0BA00-0AA0 USB Programming Cable for S7-200/300/400 PLCs with Optocoupler Isolation and Auto Baud Rate Matching

$307.67$904.92

1 sold
39% off
DC 5V 12V 24V 2 Channel Relay Module 30A Relay Board Optocoupler Isolation High Low Trigger Industrial Grade PCB Relay Board DC 5V 12V 24V 2 Channel Relay Module 30A Relay Board Optocoupler Isolation High Low Trigger Industrial Grade PCB Relay Board

DC 5V 12V 24V 2 Channel Relay Module 30A Relay Board Optocoupler Isolation High Low Trigger Industrial Grade PCB Relay Board

$90.56$148.46

2 sold
35% off
1ch 2ch 4ch 8ch DC 5V 12V Relay Module Board With Optocoupler Relay Output Module For Arduino 1 2 4 8 way PLC Automation c1 1ch 2ch 4ch 8ch DC 5V 12V Relay Module Board With Optocoupler Relay Output Module For Arduino 1 2 4 8 way PLC Automation c1

1ch 2ch 4ch 8ch DC 5V 12V Relay Module Board With Optocoupler Relay Output Module For Arduino 1 2 4 8 way PLC Automation c1

$1.48$2.28

2 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

$29.80$60.81

2 sold
51% off
【GE】1PC DC 3.3V 5V 12V 24V 1 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay Module Board 【GE】1PC DC 3.3V 5V 12V 24V 1 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay Module Board

【GE】1PC DC 3.3V 5V 12V 24V 1 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay Module Board

$34.40$70.20

2 sold
50% off
B*New 1PCS 3.3V 5V 12V 24V 1 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay Module Board B*New 1PCS 3.3V 5V 12V 24V 1 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay Module Board

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

$30.64$61.28

1 sold
35% off
3 Channel 3 Channel Relay Module with Isolated Optocoupler DC 5V 3.3V Compatible High Voltage Relay Module 3 Channel 3 Channel Relay Module with Isolated Optocoupler DC 5V 3.3V Compatible High Voltage Relay Module

3 Channel 3 Channel Relay Module with Isolated Optocoupler DC 5V 3.3V Compatible High Voltage Relay Module

$20.06$30.86

2 sold
1% off
1/2/4/8 Channel Relay Module 5V 12V 24V High and Low Level Trigger Relay Control With with Optocoupler Relay Output DC5V 12V 24V 1/2/4/8 Channel Relay Module 5V 12V 24V High and Low Level Trigger Relay Control With with Optocoupler Relay Output DC5V 12V 24V

1/2/4/8 Channel Relay Module 5V 12V 24V High and Low Level Trigger Relay Control With with Optocoupler Relay Output DC5V 12V 24V

$8.31$8.39

2 sold
3 Channel 3 Channel Relay Module with Isolated Optocoupler High Low Level Trigger High Voltage Relay Module 3 Channel 3 Channel Relay Module with Isolated Optocoupler High Low Level Trigger High Voltage Relay Module

3 Channel 3 Channel Relay Module with Isolated Optocoupler High Low Level Trigger High Voltage Relay Module

$31.06$31.06

2 sold
29% off
10pcs 5V 12V Low Level Trigger 1 channel relay module With Optocoupler Output 1 way relays module for AVR DSP ARM MCU arduino 10pcs 5V 12V Low Level Trigger 1 channel relay module With Optocoupler Output 1 way relays module for AVR DSP ARM MCU arduino

10pcs 5V 12V Low Level Trigger 1 channel relay module With Optocoupler Output 1 way relays module for AVR DSP ARM MCU arduino

$8.12$11.43

2 sold
16% off
1PC Relay ssr Input 90-280VAC Photoelectrical Coupling-interface Relay Module Optocoupler Isolating solid state Relay MRI-230A48 1PC Relay ssr Input 90-280VAC Photoelectrical Coupling-interface Relay Module Optocoupler Isolating solid state Relay MRI-230A48

1PC Relay ssr Input 90-280VAC Photoelectrical Coupling-interface Relay Module Optocoupler Isolating solid state Relay MRI-230A48

$7.64$9.10

1 sold
51% off
【A11】1 Channel Relay Module With Optocoupler Isolation 5V/12V Level Trigger Relay Board For Microcontroller Regulation 【A11】1 Channel Relay Module With Optocoupler Isolation 5V/12V Level Trigger Relay Board For Microcontroller Regulation

【A11】1 Channel Relay Module With Optocoupler Isolation 5V/12V Level Trigger Relay Board For Microcontroller Regulation

$34.27$69.94

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

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

$29.53$60.26

1 sold
51% off
1 Channel Relay Module With Optocoupler Isolation 5V/12V Level Trigger Relay Board For Microcontroller Regulation 1 Channel Relay Module With Optocoupler Isolation 5V/12V Level Trigger Relay Board For Microcontroller Regulation

1 Channel Relay Module With Optocoupler Isolation 5V/12V Level Trigger Relay Board For Microcontroller Regulation

$32.53$66.38

1 sold
19% off
10-100PCS MOC3021 MOC3021S MOC3023S-TA1 MOC3022 MOC3022S MOC3022S-TA1 MOC3023 MOC3023S MOC3023S-TA1 SOP6 OptoCoupler 10-100PCS MOC3021 MOC3021S MOC3023S-TA1 MOC3022 MOC3022S MOC3022S-TA1 MOC3023 MOC3023S MOC3023S-TA1 SOP6 OptoCoupler

10-100PCS MOC3021 MOC3021S MOC3023S-TA1 MOC3022 MOC3022S MOC3022S-TA1 MOC3023 MOC3023S MOC3023S-TA1 SOP6 OptoCoupler

$0.96$1.18

2 sold
30% off
10pcs 2 Channel DC 5V 12V 24V Relay Module With Optocoupler Low Level Trigger Expansion Board For Arduino 2 Way Relays Board 10pcs 2 Channel DC 5V 12V 24V Relay Module With Optocoupler Low Level Trigger Expansion Board For Arduino 2 Way Relays Board

10pcs 2 Channel DC 5V 12V 24V Relay Module With Optocoupler Low Level Trigger Expansion Board For Arduino 2 Way Relays Board

$13.90$19.86

2 sold
35% off
16-channel Relay Module 5V with Optocoupler Protection 5V Relay Module LM2596S Chip 180 *90 *20mm Relay Module Board 16-channel Relay Module 5V with Optocoupler Protection 5V Relay Module LM2596S Chip 180 *90 *20mm Relay Module Board

16-channel Relay Module 5V with Optocoupler Protection 5V Relay Module LM2596S Chip 180 *90 *20mm Relay Module Board

$65.90 $101.38

2 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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10% off
(10piece)TLP3022 TLP3021 TLP3023 TLP3041 TLP3042 TLP3043 DIP5 direct insertion optocoupler

(10piece)TLP3022 TLP3021 TLP3023 TLP3041 TLP3042 TLP3043 DIP5 direct insertion optocoupler

$4.95 $5.50

2 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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27% 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

$7.95 $10.89

1 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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MOS FET 4 Channel Pulse Trigger Switch Controller Board PWM Optocoupler Opto-isolator Driver Board For Motor LED Light MOS FET 4 Channel Pulse Trigger Switch Controller Board PWM Optocoupler Opto-isolator Driver Board For Motor LED Light

MOS FET 4 Channel Pulse Trigger Switch Controller Board PWM Optocoupler Opto-isolator Driver Board For Motor LED Light

$3.37 $3.37

2 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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

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

$39.12 $78.24

2 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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10% off
(10piece)ORPC-817SC 817SC ORPC-817SB PC817C SMT SOP-4 Optocoupler Ohrend C-level Optocoupler (10piece)ORPC-817SC 817SC ORPC-817SB PC817C SMT SOP-4 Optocoupler Ohrend C-level Optocoupler

(10piece)ORPC-817SC 817SC ORPC-817SB PC817C SMT SOP-4 Optocoupler Ohrend C-level Optocoupler

$1.99 $2.21

2 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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3% off
6N137 Optocoupler Isolation Board DIP8 High Speed Signal Level Converter 5V NPN Output for Data Acquisition System 6N137 Optocoupler Isolation Board DIP8 High Speed Signal Level Converter 5V NPN Output for Data Acquisition System

6N137 Optocoupler Isolation Board DIP8 High Speed Signal Level Converter 5V NPN Output for Data Acquisition System

$5.53 $5.71

2 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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50% off
IR Infrared Slotted Optical Speed Measuring Sensor Detection Optocoupler Module For Motor Test IR Infrared Slotted Optical Spee IR Infrared Slotted Optical Speed Measuring Sensor Detection Optocoupler Module For Motor Test IR Infrared Slotted Optical Spee

IR Infrared Slotted Optical Speed Measuring Sensor Detection Optocoupler Module For Motor Test IR Infrared Slotted Optical Spee

$22.87 $45.75

17 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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19% off
10PCS MOCD213 D213 MOCD205 D205 MOCD216 D216 MOCD217 D217 MOCD207 D207 MOCD208 D208 MOCD211 D211 SOP8Phototransistor Optocoupler 10PCS MOCD213 D213 MOCD205 D205 MOCD216 D216 MOCD217 D217 MOCD207 D207 MOCD208 D208 MOCD211 D211 SOP8Phototransistor Optocoupler

10PCS MOCD213 D213 MOCD205 D205 MOCD216 D216 MOCD217 D217 MOCD207 D207 MOCD208 D208 MOCD211 D211 SOP8Phototransistor Optocoupler

$1.46 $1.80

2 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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51% off
DC 3.3V 5V 12V 24V 1 Channel Relay Module With Optocoupler Shield Board High Low Level Trigger Power Supply Module For Arduino DC 3.3V 5V 12V 24V 1 Channel Relay Module With Optocoupler Shield Board High Low Level Trigger Power Supply Module For Arduino

DC 3.3V 5V 12V 24V 1 Channel Relay Module With Optocoupler Shield Board High Low Level Trigger Power Supply Module For Arduino

$29.95 $61.12

2 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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30% off
6 Channel Relay Module 5V 12V 24V High and Low Level Trigger Relay Control With Optocoupler 6 Way Relays DC 5 V 12 V 24 V Volt 6 Channel Relay Module 5V 12V 24V High and Low Level Trigger Relay Control With Optocoupler 6 Way Relays DC 5 V 12 V 24 V Volt

6 Channel Relay Module 5V 12V 24V High and Low Level Trigger Relay Control With Optocoupler 6 Way Relays DC 5 V 12 V 24 V Volt

$3.95 $5.64

2 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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15% off
STOCK 50pcs/lot TLP3023 TLP3052 Optocoupler Triac AC-out 400V 600V 5mA PDIP6 New Original STOCK 50pcs/lot TLP3023 TLP3052 Optocoupler Triac AC-out 400V 600V 5mA PDIP6 New Original

STOCK 50pcs/lot TLP3023 TLP3052 Optocoupler Triac AC-out 400V 600V 5mA PDIP6 New Original

$16.57 $19.50

2 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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3% off
AMSAMOTION USB Isolator 3.0 Solation Cable 480M High-Speed for Noise Audio Signal Optimizer Optocoupler Audio EMI/RFI Shielding AMSAMOTION USB Isolator 3.0 Solation Cable 480M High-Speed for Noise Audio Signal Optimizer Optocoupler Audio EMI/RFI Shielding

AMSAMOTION USB Isolator 3.0 Solation Cable 480M High-Speed for Noise Audio Signal Optimizer Optocoupler Audio EMI/RFI Shielding

$269.76 $278.10

2 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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30% off
5V 12V 1 2 4 8 channel relay module with optocoupler Output 1 2 4 6 8 way relay 5v 12v Low Level Trigger for AVR DSP ARM MCU 5V 12V 1 2 4 8 channel relay module with optocoupler Output 1 2 4 6 8 way relay 5v 12v Low Level Trigger for AVR DSP ARM MCU

5V 12V 1 2 4 8 channel relay module with optocoupler Output 1 2 4 6 8 way relay 5v 12v Low Level Trigger for AVR DSP ARM MCU

$0.79 $1.13

2 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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MRI-05D05 100KHZ PLC LED Signal Opto Coupler Relay 5V DC 8mA Input Output 4-18VDC 50mA Interface Voltage Relay Module DIN Rail MRI-05D05 100KHZ PLC LED Signal Opto Coupler Relay 5V DC 8mA Input Output 4-18VDC 50mA Interface Voltage Relay Module DIN Rail

MRI-05D05 100KHZ PLC LED Signal Opto Coupler Relay 5V DC 8mA Input Output 4-18VDC 50mA Interface Voltage Relay Module DIN Rail

$8.89 $8.89

2 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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5% off
5v 8 Channel Relay Module Board With Optocoupler Output 8 Way For Arduino 5v 8 Channel Relay Module Board With Optocoupler Output 8 Way For Arduino

5v 8 Channel Relay Module Board With Optocoupler Output 8 Way For Arduino

$4.48 $4.72

1 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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5% off
5V 4-Channel Relay Module Low Level Trigger With Optocoupler 4 Road Relay Module for Arduino Raspberry Pi 5V 4-Channel Relay Module Low Level Trigger With Optocoupler 4 Road Relay Module for Arduino Raspberry Pi

5V 4-Channel Relay Module Low Level Trigger With Optocoupler 4 Road Relay Module for Arduino Raspberry Pi

$4.75 $5.00

2 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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

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

$30.14 $61.51

2 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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MRI-05D48 5V DC Optocoupler Relay Module PLC Signal Isolation Anti-Interference High frequency 300hz DIN Rail SSR Fast Response MRI-05D48 5V DC Optocoupler Relay Module PLC Signal Isolation Anti-Interference High frequency 300hz DIN Rail SSR Fast Response

MRI-05D48 5V DC Optocoupler Relay Module PLC Signal Isolation Anti-Interference High frequency 300hz DIN Rail SSR Fast Response

$6.64 $6.64

2 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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51% off
Javino 1/5/10Pcs Two-way UART Communication Protocol Serial Port Isolation Module Dual 6N137 Optocoupler Chip of 600-250K Baud Javino 1/5/10Pcs Two-way UART Communication Protocol Serial Port Isolation Module Dual 6N137 Optocoupler Chip of 600-250K Baud

Javino 1/5/10Pcs Two-way UART Communication Protocol Serial Port Isolation Module Dual 6N137 Optocoupler Chip of 600-250K Baud

$34.42 $70.24

9 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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66% off
6GK1571-0BA00-0AA0 USB Programming Cable for S7-200/300/400 PLCs with Optocoupler Isolation and Auto Baud Rate Matching 6GK1571-0BA00-0AA0 USB Programming Cable for S7-200/300/400 PLCs with Optocoupler Isolation and Auto Baud Rate Matching

6GK1571-0BA00-0AA0 USB Programming Cable for S7-200/300/400 PLCs with Optocoupler Isolation and Auto Baud Rate Matching

$307.67 $904.92

1 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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39% off
DC 5V 12V 24V 2 Channel Relay Module 30A Relay Board Optocoupler Isolation High Low Trigger Industrial Grade PCB Relay Board DC 5V 12V 24V 2 Channel Relay Module 30A Relay Board Optocoupler Isolation High Low Trigger Industrial Grade PCB Relay Board

DC 5V 12V 24V 2 Channel Relay Module 30A Relay Board Optocoupler Isolation High Low Trigger Industrial Grade PCB Relay Board

$90.56 $148.46

2 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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35% off
1ch 2ch 4ch 8ch DC 5V 12V Relay Module Board With Optocoupler Relay Output Module For Arduino 1 2 4 8 way PLC Automation c1 1ch 2ch 4ch 8ch DC 5V 12V Relay Module Board With Optocoupler Relay Output Module For Arduino 1 2 4 8 way PLC Automation c1

1ch 2ch 4ch 8ch DC 5V 12V Relay Module Board With Optocoupler Relay Output Module For Arduino 1 2 4 8 way PLC Automation c1

$1.48 $2.28

2 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

$29.80 $60.81

2 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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