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5V 12V 24V Twelve 12 Channel Module Board Shield with Optocoupler Support High and Low Level Trigger Voltage Relay 220v 5V 12V 24V Twelve 12 Channel Module Board Shield with Optocoupler Support High and Low Level Trigger Voltage Relay 220v

5V 12V 24V Twelve 12 Channel Module Board Shield with Optocoupler Support High and Low Level Trigger Voltage Relay 220v

$112.16$112.16

1 Pcs 2 Channel Relay Module 30A High-Low Level Trigger Control Relay Module Relay Switch Board 1 Pcs 2 Channel Relay Module 30A High-Low Level Trigger Control Relay Module Relay Switch Board

1 Pcs 2 Channel Relay Module 30A High-Low Level Trigger Control Relay Module Relay Switch Board

$15.30$15.30

8% off
Pure subwoofer front plate low pass filter high level input DIY pre tone balanced input / output board Pure subwoofer front plate low pass filter high level input DIY pre tone balanced input / output board

Pure subwoofer front plate low pass filter high level input DIY pre tone balanced input / output board

$15.62$16.98

1 sold
6% off
LC5BF08 DC12V 30A 8Levels Multi-function Water Level Pump Pour Display Controller Liquid Sensor Automatic Controll Relay Module LC5BF08 DC12V 30A 8Levels Multi-function Water Level Pump Pour Display Controller Liquid Sensor Automatic Controll Relay Module

LC5BF08 DC12V 30A 8Levels Multi-function Water Level Pump Pour Display Controller Liquid Sensor Automatic Controll Relay Module

$107.55$115.23

35% off
Liquid Level Control Relay, Float Switch, Water Pump Level Controller Switch, Water Tank Liquid Level Detection Liquid Level Control Relay, Float Switch, Water Pump Level Controller Switch, Water Tank Liquid Level Detection

Liquid Level Control Relay, Float Switch, Water Pump Level Controller Switch, Water Tank Liquid Level Detection

$16.23$25.35

9 sold
28% off
GEYA GRL8 Liquid Level Control Relay Electronic Liquid Level Controller 10A AC/DC24V-240V GEYA GRL8 Liquid Level Control Relay Electronic Liquid Level Controller 10A AC/DC24V-240V

GEYA GRL8 Liquid Level Control Relay Electronic Liquid Level Controller 10A AC/DC24V-240V

$20.41$28.35

10 sold
14% off
GRL8 Liquid Level Control Relay 10A Electronic Liquid Level Controller wirh Sensor AC/DC24V-240V GEYA GRL8 Liquid Level Control Relay 10A Electronic Liquid Level Controller wirh Sensor AC/DC24V-240V GEYA

GRL8 Liquid Level Control Relay 10A Electronic Liquid Level Controller wirh Sensor AC/DC24V-240V GEYA

$8.65$10.11

12 sold
32% off
DC 8-36V 8-channel Multi-function Relay Module With Optical Couple Red Display High And Low Level Pulse Trigger DC 8-36V 8-channel Multi-function Relay Module With Optical Couple Red Display High And Low Level Pulse Trigger

DC 8-36V 8-channel Multi-function Relay Module With Optical Couple Red Display High And Low Level Pulse Trigger

$16.51$24.28

1 sold
5% off
4x R4DIF08 8ch Digital Switch Input RS485 Modbus RTU PLC Module TTL LvTTL CMOS Level IO 4x R4DIF08 8ch Digital Switch Input RS485 Modbus RTU PLC Module TTL LvTTL CMOS Level IO

4x R4DIF08 8ch Digital Switch Input RS485 Modbus RTU PLC Module TTL LvTTL CMOS Level IO

$17.09$17.99

5PCS 5V 8 Channel Relay Module Low Level Trigger Relay Output 8 way Relay Module for Arduino 5PCS 5V 8 Channel Relay Module Low Level Trigger Relay Output 8 way Relay Module for Arduino

5PCS 5V 8 Channel Relay Module Low Level Trigger Relay Output 8 way Relay Module for Arduino

$16.11$16.11

6% off
LC4BE08 8CH Water Level Digital Tube Display Board Controller Liquid Sensor Module for Arduino LC4BE08 8CH Water Level Digital Tube Display Board Controller Liquid Sensor Module for Arduino

LC4BE08 8CH Water Level Digital Tube Display Board Controller Liquid Sensor Module for Arduino

$32.54$34.82

6-40V Four 4 Channel Time Relay Module Voltage 220V Cycle Delay Switch Multiple Functions Support High and Low Level Trigger 6-40V Four 4 Channel Time Relay Module Voltage 220V Cycle Delay Switch Multiple Functions Support High and Low Level Trigger

6-40V Four 4 Channel Time Relay Module Voltage 220V Cycle Delay Switch Multiple Functions Support High and Low Level Trigger

$121.42$121.42

1 sold
29% off
Relay module 6 Channel 5V 12V 24V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino Relay module 6 Channel 5V 12V 24V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino

Relay module 6 Channel 5V 12V 24V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino

$82.76$116.57

12V DC Motor Driver Board Motor Forward and Reverse Control Module Low-level Trigger Programmable Delay Timing Relay Module 12V DC Motor Driver Board Motor Forward and Reverse Control Module Low-level Trigger Programmable Delay Timing Relay Module

12V DC Motor Driver Board Motor Forward and Reverse Control Module Low-level Trigger Programmable Delay Timing Relay Module

$17.27$17.27

9% off
ETEK Floatless Water Level Relay Switch Electronic Liquid Level Controller 5A AC 220V SPDT 12V EKR8 ETEK Floatless Water Level Relay Switch Electronic Liquid Level Controller 5A AC 220V SPDT 12V EKR8

ETEK Floatless Water Level Relay Switch Electronic Liquid Level Controller 5A AC 220V SPDT 12V EKR8

$96.22$106.29

21 sold
Pet Family heating Rod Fish Automatic Constant Temperature Rods Small Ultra Short Low Level Pet Family heating Rod Fish Automatic Constant Temperature Rods Small Ultra Short Low Level

Pet Family heating Rod Fish Automatic Constant Temperature Rods Small Ultra Short Low Level

$121.00$121.00

18% off
1/2/4/8/16Channel 20A Relay Control Module High/Low Level 1ch 2ch 4ch 8ch 16ch Controller 5v for R3 Raspberry Pi For Arduino 1/2/4/8/16Channel 20A Relay Control Module High/Low Level 1ch 2ch 4ch 8ch 16ch Controller 5v for R3 Raspberry Pi For Arduino

1/2/4/8/16Channel 20A Relay Control Module High/Low Level 1ch 2ch 4ch 8ch 16ch Controller 5v for R3 Raspberry Pi For Arduino

$2.86$3.49

2 sold
10% off
8-32 DI-DO PNP to PNP RS485 Modbus Rtu Remote IO Module DC 12-24V 300MA DMOS PNP High Level Output for PLC LED Smart Home IOT 8-32 DI-DO PNP to PNP RS485 Modbus Rtu Remote IO Module DC 12-24V 300MA DMOS PNP High Level Output for PLC LED Smart Home IOT

8-32 DI-DO PNP to PNP RS485 Modbus Rtu Remote IO Module DC 12-24V 300MA DMOS PNP High Level Output for PLC LED Smart Home IOT

$96.01$107.69

12% off
XKC-KL200 Laser Ranging Sensor Switch Non-contact Switch/UART Serial Port/High Low Level/NPN Drive Output Laser Ranging Sensor XKC-KL200 Laser Ranging Sensor Switch Non-contact Switch/UART Serial Port/High Low Level/NPN Drive Output Laser Ranging Sensor

XKC-KL200 Laser Ranging Sensor Switch Non-contact Switch/UART Serial Port/High Low Level/NPN Drive Output Laser Ranging Sensor

$16.23$18.44

20% off
1 2 4 8-Way High Level Trigger DC Control DC Solid-State Relay Module Single-Phase Electric Relay Solid State 5-220V DC 5A 1 2 4 8-Way High Level Trigger DC Control DC Solid-State Relay Module Single-Phase Electric Relay Solid State 5-220V DC 5A

1 2 4 8-Way High Level Trigger DC Control DC Solid-State Relay Module Single-Phase Electric Relay Solid State 5-220V DC 5A

$6.12$7.65

1 sold
52% off
380V 8A 1/2/4 Channel SSR Switch Controller SSR Board Solid State Relay Module High Low Level H-L Trigger Board for Arduino 380V 8A 1/2/4 Channel SSR Switch Controller SSR Board Solid State Relay Module High Low Level H-L Trigger Board for Arduino

380V 8A 1/2/4 Channel SSR Switch Controller SSR Board Solid State Relay Module High Low Level H-L Trigger Board for Arduino

$72.96$151.99

8-way relay control module/bidirectional optocoupler isolation/high and low level optional/5V/12V/24V 8-way relay control module/bidirectional optocoupler isolation/high and low level optional/5V/12V/24V

8-way relay control module/bidirectional optocoupler isolation/high and low level optional/5V/12V/24V

$91.80$91.80

1 Pcs 30A 4 Channel Relay Module High Low Level Trigger Module Solid State Relay Module Trigger Relay 1 Pcs 30A 4 Channel Relay Module High Low Level Trigger Module Solid State Relay Module Trigger Relay

1 Pcs 30A 4 Channel Relay Module High Low Level Trigger Module Solid State Relay Module Trigger Relay

$17.51$17.51

1 Pcs 30A 4 Channel Relay Module High Low Level Trigger Module Solid State Relay Module Trigger Relay 1 Pcs 30A 4 Channel Relay Module High Low Level Trigger Module Solid State Relay Module Trigger Relay

1 Pcs 30A 4 Channel Relay Module High Low Level Trigger Module Solid State Relay Module Trigger Relay

$17.31$17.31

7% off
DC 12V 30A 8 Levels Multi-function Water Level Pump Pour Display Controller Liquid Sensor Automatic Controll Relay Module DC 12V 30A 8 Levels Multi-function Water Level Pump Pour Display Controller Liquid Sensor Automatic Controll Relay Module

DC 12V 30A 8 Levels Multi-function Water Level Pump Pour Display Controller Liquid Sensor Automatic Controll Relay Module

$117.42$126.42

20PCS 5V 2 Channel Relay Module Low Level Trigger 2 way Relay Module for SCM Household Appliance Control 20PCS 5V 2 Channel Relay Module Low Level Trigger 2 way Relay Module for SCM Household Appliance Control

20PCS 5V 2 Channel Relay Module Low Level Trigger 2 way Relay Module for SCM Household Appliance Control

$16.11$16.11

18% off
Free Shipping DF-96A -96B -96D Float Switch Automatic Water Level Controller Relay Limit Pump Control Three Probes Free Shipping DF-96A -96B -96D Float Switch Automatic Water Level Controller Relay Limit Pump Control Three Probes

Free Shipping DF-96A -96B -96D Float Switch Automatic Water Level Controller Relay Limit Pump Control Three Probes

$12.63$15.40

LC5BF08 DC12V 30A 8Levels Multi-function Water Level Pump Pour Display Controller Liquid Sensor Automatic Controll Relay Module LC5BF08 DC12V 30A 8Levels Multi-function Water Level Pump Pour Display Controller Liquid Sensor Automatic Controll Relay Module

LC5BF08 DC12V 30A 8Levels Multi-function Water Level Pump Pour Display Controller Liquid Sensor Automatic Controll Relay Module

$118.00$118.00

11% off
GEYA GRL8 Water Level Control Relay with Stainless Sensor AC/DC24V-240V Level Control Sensor GEYA GRL8 Water Level Control Relay with Stainless Sensor AC/DC24V-240V Level Control Sensor

GEYA GRL8 Water Level Control Relay with Stainless Sensor AC/DC24V-240V Level Control Sensor

$15.39$17.31

105 sold
16-Way Relay Module, Optocoupler Isolation, High And Low Voltage, Level Trigger, PLC Control Board 12v 16-Way Relay Module, Optocoupler Isolation, High And Low Voltage, Level Trigger, PLC Control Board 12v

16-Way Relay Module, Optocoupler Isolation, High And Low Voltage, Level Trigger, PLC Control Board 12v

$15.68$15.68

Din Rail Level Control Relay Industrial Control Level Monitoring Water Pump Controller Relay GRL8 Din Rail Level Control Relay Industrial Control Level Monitoring Water Pump Controller Relay GRL8

Din Rail Level Control Relay Industrial Control Level Monitoring Water Pump Controller Relay GRL8

$15.75$15.75

34% off
16 Relay Control Module Isolation Expansion Template High And Low Level Triggering 5V/12V/24V Trigger Delay Relay Modue 16 Relay Control Module Isolation Expansion Template High And Low Level Triggering 5V/12V/24V Trigger Delay Relay Modue

16 Relay Control Module Isolation Expansion Template High And Low Level Triggering 5V/12V/24V Trigger Delay Relay Modue

$15.68$23.76

10Pcs 1 Channel 5V Relay Module Board Shield With Optocoupler 5V Relay Module Support High And Low Level Trigger 10Pcs 1 Channel 5V Relay Module Board Shield With Optocoupler 5V Relay Module Support High And Low Level Trigger

10Pcs 1 Channel 5V Relay Module Board Shield With Optocoupler 5V Relay Module Support High And Low Level Trigger

$15.30$15.30

29% off
Relay module 6 Channel 5V 12V 24V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino Relay module 6 Channel 5V 12V 24V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino

Relay module 6 Channel 5V 12V 24V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino

$82.76$116.57

CIOVIO 1 2 4 8 Channel DC 5V 12V 24V Relay Module with Low / High level Trigger Expansion Board DC 5V 12V 24V Relay Module CIOVIO 1 2 4 8 Channel DC 5V 12V 24V Relay Module with Low / High level Trigger Expansion Board DC 5V 12V 24V Relay Module

CIOVIO 1 2 4 8 Channel DC 5V 12V 24V Relay Module with Low / High level Trigger Expansion Board DC 5V 12V 24V Relay Module

$17.00$17.00

High-speed NPN/PNP optocoupler isolation high and low level signal polarity conversion 3.3/5/12/24v High-speed NPN/PNP optocoupler isolation high and low level signal polarity conversion 3.3/5/12/24v

High-speed NPN/PNP optocoupler isolation high and low level signal polarity conversion 3.3/5/12/24v

$18.05$18.05

5V 12V 24V Twelve 12 Channel Module Board Shield with Optocoupler Support High and Low Level Trigger Voltage Relay 220v 5V 12V 24V Twelve 12 Channel Module Board Shield with Optocoupler Support High and Low Level Trigger Voltage Relay 220v

5V 12V 24V Twelve 12 Channel Module Board Shield with Optocoupler Support High and Low Level Trigger Voltage Relay 220v

$112.16 $112.16

Categories: Home Improvement, Electrical Equipment & Supplies

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1 Pcs 2 Channel Relay Module 30A High-Low Level Trigger Control Relay Module Relay Switch Board 1 Pcs 2 Channel Relay Module 30A High-Low Level Trigger Control Relay Module Relay Switch Board

1 Pcs 2 Channel Relay Module 30A High-Low Level Trigger Control Relay Module Relay Switch Board

$15.30 $15.30

Categories: Home Improvement, Electrical Equipment & Supplies

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8% off
Pure subwoofer front plate low pass filter high level input DIY pre tone balanced input / output board Pure subwoofer front plate low pass filter high level input DIY pre tone balanced input / output board

Pure subwoofer front plate low pass filter high level input DIY pre tone balanced input / output board

$15.62 $16.98

1 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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6% off
LC5BF08 DC12V 30A 8Levels Multi-function Water Level Pump Pour Display Controller Liquid Sensor Automatic Controll Relay Module LC5BF08 DC12V 30A 8Levels Multi-function Water Level Pump Pour Display Controller Liquid Sensor Automatic Controll Relay Module

LC5BF08 DC12V 30A 8Levels Multi-function Water Level Pump Pour Display Controller Liquid Sensor Automatic Controll Relay Module

$107.55 $115.23

Categories: Home Improvement, Electrical Equipment & Supplies

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35% off
Liquid Level Control Relay, Float Switch, Water Pump Level Controller Switch, Water Tank Liquid Level Detection Liquid Level Control Relay, Float Switch, Water Pump Level Controller Switch, Water Tank Liquid Level Detection

Liquid Level Control Relay, Float Switch, Water Pump Level Controller Switch, Water Tank Liquid Level Detection

$16.23 $25.35

9 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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28% off
GEYA GRL8 Liquid Level Control Relay Electronic Liquid Level Controller 10A AC/DC24V-240V GEYA GRL8 Liquid Level Control Relay Electronic Liquid Level Controller 10A AC/DC24V-240V

GEYA GRL8 Liquid Level Control Relay Electronic Liquid Level Controller 10A AC/DC24V-240V

$20.41 $28.35

10 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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14% off
GRL8 Liquid Level Control Relay 10A Electronic Liquid Level Controller wirh Sensor AC/DC24V-240V GEYA GRL8 Liquid Level Control Relay 10A Electronic Liquid Level Controller wirh Sensor AC/DC24V-240V GEYA

GRL8 Liquid Level Control Relay 10A Electronic Liquid Level Controller wirh Sensor AC/DC24V-240V GEYA

$8.65 $10.11

12 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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32% off
DC 8-36V 8-channel Multi-function Relay Module With Optical Couple Red Display High And Low Level Pulse Trigger DC 8-36V 8-channel Multi-function Relay Module With Optical Couple Red Display High And Low Level Pulse Trigger

DC 8-36V 8-channel Multi-function Relay Module With Optical Couple Red Display High And Low Level Pulse Trigger

$16.51 $24.28

1 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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5% off
4x R4DIF08 8ch Digital Switch Input RS485 Modbus RTU PLC Module TTL LvTTL CMOS Level IO 4x R4DIF08 8ch Digital Switch Input RS485 Modbus RTU PLC Module TTL LvTTL CMOS Level IO

4x R4DIF08 8ch Digital Switch Input RS485 Modbus RTU PLC Module TTL LvTTL CMOS Level IO

$17.09 $17.99

Categories: Home Improvement, Electrical Equipment & Supplies

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5PCS 5V 8 Channel Relay Module Low Level Trigger Relay Output 8 way Relay Module for Arduino 5PCS 5V 8 Channel Relay Module Low Level Trigger Relay Output 8 way Relay Module for Arduino

5PCS 5V 8 Channel Relay Module Low Level Trigger Relay Output 8 way Relay Module for Arduino

$16.11 $16.11

Categories: Home Improvement, Electrical Equipment & Supplies

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6% off
LC4BE08 8CH Water Level Digital Tube Display Board Controller Liquid Sensor Module for Arduino LC4BE08 8CH Water Level Digital Tube Display Board Controller Liquid Sensor Module for Arduino

LC4BE08 8CH Water Level Digital Tube Display Board Controller Liquid Sensor Module for Arduino

$32.54 $34.82

Categories: Home Improvement, Electrical Equipment & Supplies

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6-40V Four 4 Channel Time Relay Module Voltage 220V Cycle Delay Switch Multiple Functions Support High and Low Level Trigger 6-40V Four 4 Channel Time Relay Module Voltage 220V Cycle Delay Switch Multiple Functions Support High and Low Level Trigger

6-40V Four 4 Channel Time Relay Module Voltage 220V Cycle Delay Switch Multiple Functions Support High and Low Level Trigger

$121.42 $121.42

1 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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29% off
Relay module 6 Channel 5V 12V 24V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino Relay module 6 Channel 5V 12V 24V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino

Relay module 6 Channel 5V 12V 24V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino

$82.76 $116.57

Categories: Home Improvement, Electrical Equipment & Supplies

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12V DC Motor Driver Board Motor Forward and Reverse Control Module Low-level Trigger Programmable Delay Timing Relay Module 12V DC Motor Driver Board Motor Forward and Reverse Control Module Low-level Trigger Programmable Delay Timing Relay Module

12V DC Motor Driver Board Motor Forward and Reverse Control Module Low-level Trigger Programmable Delay Timing Relay Module

$17.27 $17.27

Categories: Home Improvement, Electrical Equipment & Supplies

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9% off
ETEK Floatless Water Level Relay Switch Electronic Liquid Level Controller 5A AC 220V SPDT 12V EKR8 ETEK Floatless Water Level Relay Switch Electronic Liquid Level Controller 5A AC 220V SPDT 12V EKR8

ETEK Floatless Water Level Relay Switch Electronic Liquid Level Controller 5A AC 220V SPDT 12V EKR8

$96.22 $106.29

21 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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Pet Family heating Rod Fish Automatic Constant Temperature Rods Small Ultra Short Low Level Pet Family heating Rod Fish Automatic Constant Temperature Rods Small Ultra Short Low Level

Pet Family heating Rod Fish Automatic Constant Temperature Rods Small Ultra Short Low Level

$121.00 $121.00

Categories: Home Improvement, Electrical Equipment & Supplies

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18% off
1/2/4/8/16Channel 20A Relay Control Module High/Low Level 1ch 2ch 4ch 8ch 16ch Controller 5v for R3 Raspberry Pi For Arduino 1/2/4/8/16Channel 20A Relay Control Module High/Low Level 1ch 2ch 4ch 8ch 16ch Controller 5v for R3 Raspberry Pi For Arduino

1/2/4/8/16Channel 20A Relay Control Module High/Low Level 1ch 2ch 4ch 8ch 16ch Controller 5v for R3 Raspberry Pi For Arduino

$2.86 $3.49

2 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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10% off
8-32 DI-DO PNP to PNP RS485 Modbus Rtu Remote IO Module DC 12-24V 300MA DMOS PNP High Level Output for PLC LED Smart Home IOT 8-32 DI-DO PNP to PNP RS485 Modbus Rtu Remote IO Module DC 12-24V 300MA DMOS PNP High Level Output for PLC LED Smart Home IOT

8-32 DI-DO PNP to PNP RS485 Modbus Rtu Remote IO Module DC 12-24V 300MA DMOS PNP High Level Output for PLC LED Smart Home IOT

$96.01 $107.69

Categories: Home Improvement, Electrical Equipment & Supplies

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12% off
XKC-KL200 Laser Ranging Sensor Switch Non-contact Switch/UART Serial Port/High Low Level/NPN Drive Output Laser Ranging Sensor XKC-KL200 Laser Ranging Sensor Switch Non-contact Switch/UART Serial Port/High Low Level/NPN Drive Output Laser Ranging Sensor

XKC-KL200 Laser Ranging Sensor Switch Non-contact Switch/UART Serial Port/High Low Level/NPN Drive Output Laser Ranging Sensor

$16.23 $18.44

Categories: Home Improvement, Electrical Equipment & Supplies

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20% off
1 2 4 8-Way High Level Trigger DC Control DC Solid-State Relay Module Single-Phase Electric Relay Solid State 5-220V DC 5A 1 2 4 8-Way High Level Trigger DC Control DC Solid-State Relay Module Single-Phase Electric Relay Solid State 5-220V DC 5A

1 2 4 8-Way High Level Trigger DC Control DC Solid-State Relay Module Single-Phase Electric Relay Solid State 5-220V DC 5A

$6.12 $7.65

1 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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52% off
380V 8A 1/2/4 Channel SSR Switch Controller SSR Board Solid State Relay Module High Low Level H-L Trigger Board for Arduino 380V 8A 1/2/4 Channel SSR Switch Controller SSR Board Solid State Relay Module High Low Level H-L Trigger Board for Arduino

380V 8A 1/2/4 Channel SSR Switch Controller SSR Board Solid State Relay Module High Low Level H-L Trigger Board for Arduino

$72.96 $151.99

Categories: Home Improvement, Electrical Equipment & Supplies

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8-way relay control module/bidirectional optocoupler isolation/high and low level optional/5V/12V/24V 8-way relay control module/bidirectional optocoupler isolation/high and low level optional/5V/12V/24V

8-way relay control module/bidirectional optocoupler isolation/high and low level optional/5V/12V/24V

$91.80 $91.80

Categories: Home Improvement, Electrical Equipment & Supplies

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1 Pcs 30A 4 Channel Relay Module High Low Level Trigger Module Solid State Relay Module Trigger Relay 1 Pcs 30A 4 Channel Relay Module High Low Level Trigger Module Solid State Relay Module Trigger Relay

1 Pcs 30A 4 Channel Relay Module High Low Level Trigger Module Solid State Relay Module Trigger Relay

$17.51 $17.51

Categories: Home Improvement, Electrical Equipment & Supplies

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1 Pcs 30A 4 Channel Relay Module High Low Level Trigger Module Solid State Relay Module Trigger Relay 1 Pcs 30A 4 Channel Relay Module High Low Level Trigger Module Solid State Relay Module Trigger Relay

1 Pcs 30A 4 Channel Relay Module High Low Level Trigger Module Solid State Relay Module Trigger Relay

$17.31 $17.31

Categories: Home Improvement, Electrical Equipment & Supplies

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7% off
DC 12V 30A 8 Levels Multi-function Water Level Pump Pour Display Controller Liquid Sensor Automatic Controll Relay Module DC 12V 30A 8 Levels Multi-function Water Level Pump Pour Display Controller Liquid Sensor Automatic Controll Relay Module

DC 12V 30A 8 Levels Multi-function Water Level Pump Pour Display Controller Liquid Sensor Automatic Controll Relay Module

$117.42 $126.42

Categories: Home Improvement, Electrical Equipment & Supplies

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20PCS 5V 2 Channel Relay Module Low Level Trigger 2 way Relay Module for SCM Household Appliance Control 20PCS 5V 2 Channel Relay Module Low Level Trigger 2 way Relay Module for SCM Household Appliance Control

20PCS 5V 2 Channel Relay Module Low Level Trigger 2 way Relay Module for SCM Household Appliance Control

$16.11 $16.11

Categories: Home Improvement, Electrical Equipment & Supplies

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18% off
Free Shipping DF-96A -96B -96D Float Switch Automatic Water Level Controller Relay Limit Pump Control Three Probes Free Shipping DF-96A -96B -96D Float Switch Automatic Water Level Controller Relay Limit Pump Control Three Probes

Free Shipping DF-96A -96B -96D Float Switch Automatic Water Level Controller Relay Limit Pump Control Three Probes

$12.63 $15.40

Categories: Home Improvement, Electrical Equipment & Supplies

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LC5BF08 DC12V 30A 8Levels Multi-function Water Level Pump Pour Display Controller Liquid Sensor Automatic Controll Relay Module LC5BF08 DC12V 30A 8Levels Multi-function Water Level Pump Pour Display Controller Liquid Sensor Automatic Controll Relay Module

LC5BF08 DC12V 30A 8Levels Multi-function Water Level Pump Pour Display Controller Liquid Sensor Automatic Controll Relay Module

$118.00 $118.00

Categories: Home Improvement, Electrical Equipment & Supplies

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11% off
GEYA GRL8 Water Level Control Relay with Stainless Sensor AC/DC24V-240V Level Control Sensor GEYA GRL8 Water Level Control Relay with Stainless Sensor AC/DC24V-240V Level Control Sensor

GEYA GRL8 Water Level Control Relay with Stainless Sensor AC/DC24V-240V Level Control Sensor

$15.39 $17.31

105 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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16-Way Relay Module, Optocoupler Isolation, High And Low Voltage, Level Trigger, PLC Control Board 12v 16-Way Relay Module, Optocoupler Isolation, High And Low Voltage, Level Trigger, PLC Control Board 12v

16-Way Relay Module, Optocoupler Isolation, High And Low Voltage, Level Trigger, PLC Control Board 12v

$15.68 $15.68

Categories: Home Improvement, Electrical Equipment & Supplies

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Din Rail Level Control Relay Industrial Control Level Monitoring Water Pump Controller Relay GRL8 Din Rail Level Control Relay Industrial Control Level Monitoring Water Pump Controller Relay GRL8

Din Rail Level Control Relay Industrial Control Level Monitoring Water Pump Controller Relay GRL8

$15.75 $15.75

Categories: Home Improvement, Electrical Equipment & Supplies

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34% off
16 Relay Control Module Isolation Expansion Template High And Low Level Triggering 5V/12V/24V Trigger Delay Relay Modue 16 Relay Control Module Isolation Expansion Template High And Low Level Triggering 5V/12V/24V Trigger Delay Relay Modue

16 Relay Control Module Isolation Expansion Template High And Low Level Triggering 5V/12V/24V Trigger Delay Relay Modue

$15.68 $23.76

Categories: Home Improvement, Electrical Equipment & Supplies

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10Pcs 1 Channel 5V Relay Module Board Shield With Optocoupler 5V Relay Module Support High And Low Level Trigger 10Pcs 1 Channel 5V Relay Module Board Shield With Optocoupler 5V Relay Module Support High And Low Level Trigger

10Pcs 1 Channel 5V Relay Module Board Shield With Optocoupler 5V Relay Module Support High And Low Level Trigger

$15.30 $15.30

Categories: Home Improvement, Electrical Equipment & Supplies

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29% off
Relay module 6 Channel 5V 12V 24V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino Relay module 6 Channel 5V 12V 24V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino

Relay module 6 Channel 5V 12V 24V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino

$82.76 $116.57

Categories: Home Improvement, Electrical Equipment & Supplies

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CIOVIO 1 2 4 8 Channel DC 5V 12V 24V Relay Module with Low / High level Trigger Expansion Board DC 5V 12V 24V Relay Module CIOVIO 1 2 4 8 Channel DC 5V 12V 24V Relay Module with Low / High level Trigger Expansion Board DC 5V 12V 24V Relay Module

CIOVIO 1 2 4 8 Channel DC 5V 12V 24V Relay Module with Low / High level Trigger Expansion Board DC 5V 12V 24V Relay Module

$17.00 $17.00

Categories: Home Improvement, Electrical Equipment & Supplies

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High-speed NPN/PNP optocoupler isolation high and low level signal polarity conversion 3.3/5/12/24v High-speed NPN/PNP optocoupler isolation high and low level signal polarity conversion 3.3/5/12/24v

High-speed NPN/PNP optocoupler isolation high and low level signal polarity conversion 3.3/5/12/24v

$18.05 $18.05

Categories: Home Improvement, Electrical Equipment & Supplies

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