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51% off
Electronic Switch NMOS Driver Module DC Low Voltage Large Current Switch Optocouple Isolation Input for Brush Motors Heaters Electronic Switch NMOS Driver Module DC Low Voltage Large Current Switch Optocouple Isolation Input for Brush Motors Heaters

Electronic Switch NMOS Driver Module DC Low Voltage Large Current Switch Optocouple Isolation Input for Brush Motors Heaters

$3.90$7.96

51% off
1 Channel Relay Module 5V 9V 12V 24V High and Low Level Trigger Relay Control Switch with Optocoupler Module High Driving Force 1 Channel Relay Module 5V 9V 12V 24V High and Low Level Trigger Relay Control Switch with Optocoupler Module High Driving Force

1 Channel Relay Module 5V 9V 12V 24V High and Low Level Trigger Relay Control Switch with Optocoupler Module High Driving Force

$0.99$2.03

84 sold
15% off
(10piece)TLP181GB P181 TLP180GB P180 TLP127 P127 TLP260J P260J SOP-4 transistor bidirectional AC output optocoupler

(10piece)TLP181GB P181 TLP180GB P180 TLP127 P127 TLP260J P260J SOP-4 transistor bidirectional AC output optocoupler

$1.27$1.50

2 sold
27% off
5V 12V 24V One 1 Channel Relay Module 30A with Optocoupler Isolation Supports High/Low Level Trigger with Guide Rail 5V 12V 24V One 1 Channel Relay Module 30A with Optocoupler Isolation Supports High/Low Level Trigger with Guide Rail

5V 12V 24V One 1 Channel Relay Module 30A with Optocoupler Isolation Supports High/Low Level Trigger with Guide Rail

$2.22$3.04

8 sold
13% off
10pcs/lot Original 4N40 4N39 4N38 4N37 4N36 4N35 4N33 4N32 4N27 4N28 DIP-6 IC Optocoupler In Stock 10pcs/lot Original 4N40 4N39 4N38 4N37 4N36 4N35 4N33 4N32 4N27 4N28 DIP-6 IC Optocoupler In Stock

10pcs/lot Original 4N40 4N39 4N38 4N37 4N36 4N35 4N33 4N32 4N27 4N28 DIP-6 IC Optocoupler In Stock

$0.85$0.98

3 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

$3.21$3.21

15 sold
32% off
3.3V 5V 3 Channel Relay Module 5mA With Optocoupler Isolation Compatible Signal 3.3V 5V 3 Channel Relay Module 5mA With Optocoupler Isolation Compatible Signal

3.3V 5V 3 Channel Relay Module 5mA With Optocoupler Isolation Compatible Signal

$2.04$3.00

59 sold
31% 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

$1.93$2.80

29 sold
34% off
HOT NEW 5V relay KY-019 KY 019 KY019 One Single way optocoupler relay module HOT NEW 5V relay KY-019 KY 019 KY019 One Single way optocoupler relay module

HOT NEW 5V relay KY-019 KY 019 KY019 One Single way optocoupler relay module

$8.42$12.85

1 sold
53% off
YYT 10PCS Slot type optocoupler Slot type photoelectric sensor Through-beam TP805 can replace GK151 photoelectric switch 3MM

YYT 10PCS Slot type optocoupler Slot type photoelectric sensor Through-beam TP805 can replace GK151 photoelectric switch 3MM

$0.98$2.09

1 sold
1/2/4/6/8 Relay Module5/12/24V 8 Channels, with Optocoupler Relay Output 1 2 4 6 Relay Module 8 Channels Low Level Trigger 1/2/4/6/8 Relay Module5/12/24V 8 Channels, with Optocoupler Relay Output 1 2 4 6 Relay Module 8 Channels Low Level Trigger

1/2/4/6/8 Relay Module5/12/24V 8 Channels, with Optocoupler Relay Output 1 2 4 6 Relay Module 8 Channels Low Level Trigger

$0.77$0.77

15 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

$3.95$5.64

8 sold
5% off
1PCS 1 2 4 6 8 Channel 5V 12V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino 1PCS 1 2 4 6 8 Channel 5V 12V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino

1PCS 1 2 4 6 8 Channel 5V 12V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino

$0.93$0.98

10PCS PS2561B PS2561 DIP4 optocoupler Brand new original IC chip

10PCS PS2561B PS2561 DIP4 optocoupler Brand new original IC chip

$2.00$2.00

12% off
12V 1 2 4 8 Channel Relay Module Board Shield with Optocoupler Road High and Low Level Trigger Relay for Arduino 12V 1 2 4 8 Channel Relay Module Board Shield with Optocoupler Road High and Low Level Trigger Relay for Arduino

12V 1 2 4 8 Channel Relay Module Board Shield with Optocoupler Road High and Low Level Trigger Relay for Arduino

$1.26$1.43

6 sold
5% off
Two 2 Channel 12V Relay Module Board Shield With Optocoupler Support High and Low Level Trigger Relay For Arduino Two 2 Channel 12V Relay Module Board Shield With Optocoupler Support High and Low Level Trigger Relay For Arduino

Two 2 Channel 12V Relay Module Board Shield With Optocoupler Support High and Low Level Trigger Relay For Arduino

$3.04$3.21

4 sold
32% 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

$2.04$3.00

16 sold
15% off
DC12/24V/5V 4/8 Channel IO Card Microcontroller PLC Amplifier Board PNP NPN Optocoupler Isolation Relay Transistor Output DC12/24V/5V 4/8 Channel IO Card Microcontroller PLC Amplifier Board PNP NPN Optocoupler Isolation Relay Transistor Output

DC12/24V/5V 4/8 Channel IO Card Microcontroller PLC Amplifier Board PNP NPN Optocoupler Isolation Relay Transistor Output

$64.23$75.57

5 sold
40% off
12V Relay Module 5V 2 Channel 4/6/8 Support PLC Control Module Optocoupler Isolation high-level low-level trigger signals 12V Relay Module 5V 2 Channel 4/6/8 Support PLC Control Module Optocoupler Isolation high-level low-level trigger signals

12V Relay Module 5V 2 Channel 4/6/8 Support PLC Control Module Optocoupler Isolation high-level low-level trigger signals

$1.85$3.08

5 sold
6% off
5Pcs VTL5C9 Xvive Audio Opto-Coupler Accessories Coupler Linear Photocoupler Optoisolator 5Pcs VTL5C9 Xvive Audio Opto-Coupler Accessories Coupler Linear Photocoupler Optoisolator

5Pcs VTL5C9 Xvive Audio Opto-Coupler Accessories Coupler Linear Photocoupler Optoisolator

$41.11$43.96

3 sold
78% off
DC5-30V 15A MOS Trigger Cycle Timer Delay Control Switch Module High Level Solenoid Trigger Relay with Optocoupler Isolation DC5-30V 15A MOS Trigger Cycle Timer Delay Control Switch Module High Level Solenoid Trigger Relay with Optocoupler Isolation

DC5-30V 15A MOS Trigger Cycle Timer Delay Control Switch Module High Level Solenoid Trigger Relay with Optocoupler Isolation

$0.99$4.69

6 sold
32% off
12V Relay Module 5V 2 Channel 4/6/8 Support high-level low-level trigger signals PLC Control Module Optocoupler Isolation 12V Relay Module 5V 2 Channel 4/6/8 Support high-level low-level trigger signals PLC Control Module Optocoupler Isolation

12V Relay Module 5V 2 Channel 4/6/8 Support high-level low-level trigger signals PLC Control Module Optocoupler Isolation

$2.09$3.08

6 sold
6% off
1pcs 8DI 8DO Digital input and output module Optocoupler isolated / RS485 MODBUS RTU communications Wellpro WP8028ADAM 1pcs 8DI 8DO Digital input and output module Optocoupler isolated / RS485 MODBUS RTU communications Wellpro WP8028ADAM

1pcs 8DI 8DO Digital input and output module Optocoupler isolated / RS485 MODBUS RTU communications Wellpro WP8028ADAM

$27.12$28.85

1 sold
22% off
4-32 Channels IO Card PLC Signal Amplifier Board PNP NPN Conversion Input Optocoupler Isolation Transistor tigger voltage 12V 4-32 Channels IO Card PLC Signal Amplifier Board PNP NPN Conversion Input Optocoupler Isolation Transistor tigger voltage 12V

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

$13.65$17.50

2 sold
45% off
MACH3 5 Axis CNC Breakout Board Stepper Motor Driver Module Optocoupler Isolated Engraving Machine Board 12V-24V With USB Cable MACH3 5 Axis CNC Breakout Board Stepper Motor Driver Module Optocoupler Isolated Engraving Machine Board 12V-24V With USB Cable

MACH3 5 Axis CNC Breakout Board Stepper Motor Driver Module Optocoupler Isolated Engraving Machine Board 12V-24V With USB Cable

$3.22$5.93

11 sold
31% off
8 Way Relay Module 5V 10A on Board EL817 Optocoupler Relay Board Single-way Low Level Trigger Relay Support 3.3V/5V Level 8 Way Relay Module 5V 10A on Board EL817 Optocoupler Relay Board Single-way Low Level Trigger Relay Support 3.3V/5V Level

8 Way Relay Module 5V 10A on Board EL817 Optocoupler Relay Board Single-way Low Level Trigger Relay Support 3.3V/5V Level

$9.31$13.50

50% off
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

$0.99$2.01

43 sold
29% off
5V 12V 24V Relay Module With Optocoupler Relay Output 1 2 4 6 8 Channel Relay Module For Arduino Diy Relays Board 5V 12V 24V Relay Module With Optocoupler Relay Output 1 2 4 6 8 Channel Relay Module For Arduino Diy Relays Board

5V 12V 24V Relay Module With Optocoupler Relay Output 1 2 4 6 8 Channel Relay Module For Arduino Diy Relays Board

$0.80$1.13

8 sold
10pcs/lot HCPL-3120V SOP8 A3120V OPTOISO 3.75KV 1CH GATE DVR 8SMD A 3120V HCPL3120V OPTOCOUPLER HCPL-3120 V HC PL-3120V A-3120V

10pcs/lot HCPL-3120V SOP8 A3120V OPTOISO 3.75KV 1CH GATE DVR 8SMD A 3120V HCPL3120V OPTOCOUPLER HCPL-3120 V HC PL-3120V A-3120V

$5.99$5.99

1 sold
50pcs PC817 PC817C 817 817C FL817C PS817C DIP4 / Pc817 Optocoupler

50pcs PC817 PC817C 817 817C FL817C PS817C DIP4 / Pc817 Optocoupler

$1.24$1.24

2 sold
18% off
DC 5V/12V/24V 4 Channels NPN PNP 1NO+1NC DIN Rail Mounting Optocoupler Isolation Relay Module Trigger 1.8V/3.3-5V/12V/24V DC 5V/12V/24V 4 Channels NPN PNP 1NO+1NC DIN Rail Mounting Optocoupler Isolation Relay Module Trigger 1.8V/3.3-5V/12V/24V

DC 5V/12V/24V 4 Channels NPN PNP 1NO+1NC DIN Rail Mounting Optocoupler Isolation Relay Module Trigger 1.8V/3.3-5V/12V/24V

$58.06$70.80

1 sold
32% 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

$0.78$1.15

126 sold
35% off
Stepper Motor Driver Current Adjustable 32 Subdivision 160W Optocoupler Isolation Interface Motor Drive for 42/57 Stepper Motor Stepper Motor Driver Current Adjustable 32 Subdivision 160W Optocoupler Isolation Interface Motor Drive for 42/57 Stepper Motor

Stepper Motor Driver Current Adjustable 32 Subdivision 160W Optocoupler Isolation Interface Motor Drive for 42/57 Stepper Motor

$21.84$33.60

26% off
12V 24V 7A 160W Dual DC Motor Driver Module H-bridge L298 logic Control Signal Optocoupler PWM Drive Reversing Braking 12V 24V 7A 160W Dual DC Motor Driver Module H-bridge L298 logic Control Signal Optocoupler PWM Drive Reversing Braking

12V 24V 7A 160W Dual DC Motor Driver Module H-bridge L298 logic Control Signal Optocoupler PWM Drive Reversing Braking

$6.47$8.75

18 sold
20Pcs ACPL-214-500E A214 SOP4 ACPL-214 AC Input, Half-Pitch Phototransistor Optocoupler in stock 100%New and original

20Pcs ACPL-214-500E A214 SOP4 ACPL-214 AC Input, Half-Pitch Phototransistor Optocoupler in stock 100%New and original

$4.68$4.68

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

$1.83$1.83

22 sold
51% off
Electronic Switch NMOS Driver Module DC Low Voltage Large Current Switch Optocouple Isolation Input for Brush Motors Heaters Electronic Switch NMOS Driver Module DC Low Voltage Large Current Switch Optocouple Isolation Input for Brush Motors Heaters

Electronic Switch NMOS Driver Module DC Low Voltage Large Current Switch Optocouple Isolation Input for Brush Motors Heaters

$3.90 $7.96

Categories: Home Improvement, Electrical Equipment & Supplies

Buy Now
51% off
1 Channel Relay Module 5V 9V 12V 24V High and Low Level Trigger Relay Control Switch with Optocoupler Module High Driving Force 1 Channel Relay Module 5V 9V 12V 24V High and Low Level Trigger Relay Control Switch with Optocoupler Module High Driving Force

1 Channel Relay Module 5V 9V 12V 24V High and Low Level Trigger Relay Control Switch with Optocoupler Module High Driving Force

$0.99 $2.03

84 sold

Categories: Home Improvement, Electrical Equipment & Supplies

Buy Now
15% off
(10piece)TLP181GB P181 TLP180GB P180 TLP127 P127 TLP260J P260J SOP-4 transistor bidirectional AC output optocoupler

(10piece)TLP181GB P181 TLP180GB P180 TLP127 P127 TLP260J P260J SOP-4 transistor bidirectional AC output optocoupler

$1.27 $1.50

2 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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27% off
5V 12V 24V One 1 Channel Relay Module 30A with Optocoupler Isolation Supports High/Low Level Trigger with Guide Rail 5V 12V 24V One 1 Channel Relay Module 30A with Optocoupler Isolation Supports High/Low Level Trigger with Guide Rail

5V 12V 24V One 1 Channel Relay Module 30A with Optocoupler Isolation Supports High/Low Level Trigger with Guide Rail

$2.22 $3.04

8 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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13% off
10pcs/lot Original 4N40 4N39 4N38 4N37 4N36 4N35 4N33 4N32 4N27 4N28 DIP-6 IC Optocoupler In Stock 10pcs/lot Original 4N40 4N39 4N38 4N37 4N36 4N35 4N33 4N32 4N27 4N28 DIP-6 IC Optocoupler In Stock

10pcs/lot Original 4N40 4N39 4N38 4N37 4N36 4N35 4N33 4N32 4N27 4N28 DIP-6 IC Optocoupler In Stock

$0.85 $0.98

3 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

$3.21 $3.21

15 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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32% off
3.3V 5V 3 Channel Relay Module 5mA With Optocoupler Isolation Compatible Signal 3.3V 5V 3 Channel Relay Module 5mA With Optocoupler Isolation Compatible Signal

3.3V 5V 3 Channel Relay Module 5mA With Optocoupler Isolation Compatible Signal

$2.04 $3.00

59 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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31% 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

$1.93 $2.80

29 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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34% off
HOT NEW 5V relay KY-019 KY 019 KY019 One Single way optocoupler relay module HOT NEW 5V relay KY-019 KY 019 KY019 One Single way optocoupler relay module

HOT NEW 5V relay KY-019 KY 019 KY019 One Single way optocoupler relay module

$8.42 $12.85

1 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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53% off
YYT 10PCS Slot type optocoupler Slot type photoelectric sensor Through-beam TP805 can replace GK151 photoelectric switch 3MM

YYT 10PCS Slot type optocoupler Slot type photoelectric sensor Through-beam TP805 can replace GK151 photoelectric switch 3MM

$0.98 $2.09

1 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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1/2/4/6/8 Relay Module5/12/24V 8 Channels, with Optocoupler Relay Output 1 2 4 6 Relay Module 8 Channels Low Level Trigger 1/2/4/6/8 Relay Module5/12/24V 8 Channels, with Optocoupler Relay Output 1 2 4 6 Relay Module 8 Channels Low Level Trigger

1/2/4/6/8 Relay Module5/12/24V 8 Channels, with Optocoupler Relay Output 1 2 4 6 Relay Module 8 Channels Low Level Trigger

$0.77 $0.77

15 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

$3.95 $5.64

8 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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5% off
1PCS 1 2 4 6 8 Channel 5V 12V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino 1PCS 1 2 4 6 8 Channel 5V 12V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino

1PCS 1 2 4 6 8 Channel 5V 12V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino

$0.93 $0.98

Categories: Home Improvement, Electrical Equipment & Supplies

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10PCS PS2561B PS2561 DIP4 optocoupler Brand new original IC chip

10PCS PS2561B PS2561 DIP4 optocoupler Brand new original IC chip

$2.00 $2.00

Categories: Home Improvement, Electrical Equipment & Supplies

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12% off
12V 1 2 4 8 Channel Relay Module Board Shield with Optocoupler Road High and Low Level Trigger Relay for Arduino 12V 1 2 4 8 Channel Relay Module Board Shield with Optocoupler Road High and Low Level Trigger Relay for Arduino

12V 1 2 4 8 Channel Relay Module Board Shield with Optocoupler Road High and Low Level Trigger Relay for Arduino

$1.26 $1.43

6 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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5% off
Two 2 Channel 12V Relay Module Board Shield With Optocoupler Support High and Low Level Trigger Relay For Arduino Two 2 Channel 12V Relay Module Board Shield With Optocoupler Support High and Low Level Trigger Relay For Arduino

Two 2 Channel 12V Relay Module Board Shield With Optocoupler Support High and Low Level Trigger Relay For Arduino

$3.04 $3.21

4 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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32% 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

$2.04 $3.00

16 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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15% off
DC12/24V/5V 4/8 Channel IO Card Microcontroller PLC Amplifier Board PNP NPN Optocoupler Isolation Relay Transistor Output DC12/24V/5V 4/8 Channel IO Card Microcontroller PLC Amplifier Board PNP NPN Optocoupler Isolation Relay Transistor Output

DC12/24V/5V 4/8 Channel IO Card Microcontroller PLC Amplifier Board PNP NPN Optocoupler Isolation Relay Transistor Output

$64.23 $75.57

5 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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40% off
12V Relay Module 5V 2 Channel 4/6/8 Support PLC Control Module Optocoupler Isolation high-level low-level trigger signals 12V Relay Module 5V 2 Channel 4/6/8 Support PLC Control Module Optocoupler Isolation high-level low-level trigger signals

12V Relay Module 5V 2 Channel 4/6/8 Support PLC Control Module Optocoupler Isolation high-level low-level trigger signals

$1.85 $3.08

5 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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6% off
5Pcs VTL5C9 Xvive Audio Opto-Coupler Accessories Coupler Linear Photocoupler Optoisolator 5Pcs VTL5C9 Xvive Audio Opto-Coupler Accessories Coupler Linear Photocoupler Optoisolator

5Pcs VTL5C9 Xvive Audio Opto-Coupler Accessories Coupler Linear Photocoupler Optoisolator

$41.11 $43.96

3 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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78% off
DC5-30V 15A MOS Trigger Cycle Timer Delay Control Switch Module High Level Solenoid Trigger Relay with Optocoupler Isolation DC5-30V 15A MOS Trigger Cycle Timer Delay Control Switch Module High Level Solenoid Trigger Relay with Optocoupler Isolation

DC5-30V 15A MOS Trigger Cycle Timer Delay Control Switch Module High Level Solenoid Trigger Relay with Optocoupler Isolation

$0.99 $4.69

6 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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32% off
12V Relay Module 5V 2 Channel 4/6/8 Support high-level low-level trigger signals PLC Control Module Optocoupler Isolation 12V Relay Module 5V 2 Channel 4/6/8 Support high-level low-level trigger signals PLC Control Module Optocoupler Isolation

12V Relay Module 5V 2 Channel 4/6/8 Support high-level low-level trigger signals PLC Control Module Optocoupler Isolation

$2.09 $3.08

6 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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6% off
1pcs 8DI 8DO Digital input and output module Optocoupler isolated / RS485 MODBUS RTU communications Wellpro WP8028ADAM 1pcs 8DI 8DO Digital input and output module Optocoupler isolated / RS485 MODBUS RTU communications Wellpro WP8028ADAM

1pcs 8DI 8DO Digital input and output module Optocoupler isolated / RS485 MODBUS RTU communications Wellpro WP8028ADAM

$27.12 $28.85

1 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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22% off
4-32 Channels IO Card PLC Signal Amplifier Board PNP NPN Conversion Input Optocoupler Isolation Transistor tigger voltage 12V 4-32 Channels IO Card PLC Signal Amplifier Board PNP NPN Conversion Input Optocoupler Isolation Transistor tigger voltage 12V

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

$13.65 $17.50

2 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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45% off
MACH3 5 Axis CNC Breakout Board Stepper Motor Driver Module Optocoupler Isolated Engraving Machine Board 12V-24V With USB Cable MACH3 5 Axis CNC Breakout Board Stepper Motor Driver Module Optocoupler Isolated Engraving Machine Board 12V-24V With USB Cable

MACH3 5 Axis CNC Breakout Board Stepper Motor Driver Module Optocoupler Isolated Engraving Machine Board 12V-24V With USB Cable

$3.22 $5.93

11 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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31% off
8 Way Relay Module 5V 10A on Board EL817 Optocoupler Relay Board Single-way Low Level Trigger Relay Support 3.3V/5V Level 8 Way Relay Module 5V 10A on Board EL817 Optocoupler Relay Board Single-way Low Level Trigger Relay Support 3.3V/5V Level

8 Way Relay Module 5V 10A on Board EL817 Optocoupler Relay Board Single-way Low Level Trigger Relay Support 3.3V/5V Level

$9.31 $13.50

Categories: Home Improvement, Electrical Equipment & Supplies

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50% off
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

$0.99 $2.01

43 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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29% off
5V 12V 24V Relay Module With Optocoupler Relay Output 1 2 4 6 8 Channel Relay Module For Arduino Diy Relays Board 5V 12V 24V Relay Module With Optocoupler Relay Output 1 2 4 6 8 Channel Relay Module For Arduino Diy Relays Board

5V 12V 24V Relay Module With Optocoupler Relay Output 1 2 4 6 8 Channel Relay Module For Arduino Diy Relays Board

$0.80 $1.13

8 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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10pcs/lot HCPL-3120V SOP8 A3120V OPTOISO 3.75KV 1CH GATE DVR 8SMD A 3120V HCPL3120V OPTOCOUPLER HCPL-3120 V HC PL-3120V A-3120V

10pcs/lot HCPL-3120V SOP8 A3120V OPTOISO 3.75KV 1CH GATE DVR 8SMD A 3120V HCPL3120V OPTOCOUPLER HCPL-3120 V HC PL-3120V A-3120V

$5.99 $5.99

1 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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50pcs PC817 PC817C 817 817C FL817C PS817C DIP4 / Pc817 Optocoupler

50pcs PC817 PC817C 817 817C FL817C PS817C DIP4 / Pc817 Optocoupler

$1.24 $1.24

2 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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18% off
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