All categories
Featured selections
Trade Assurance
Buyer Central
Help Center
Get the app
Become a supplier

Relay module with optocoupler suppliers

(2712 products available)

2025-09-01
Brand New Original AS-13F 4Z Micro <strong>Relay</strong> DC24V AC220V 12V 48V MY2/MY3/MY4 Miniature Size Protective Epoxy MY2/MY3/MY4 - Product Image 1
Brand New Original AS-13F 4Z Micro <strong>Relay</strong> DC24V AC220V 12V 48V MY2/MY3/MY4 Miniature Size Protective Epoxy MY2/MY3/MY4 - Product Image 2
Brand New Original AS-13F 4Z Micro <strong>Relay</strong> DC24V AC220V 12V 48V MY2/MY3/MY4 Miniature Size Protective Epoxy MY2/MY3/MY4 - Product Image 3
Brand New Original AS-13F 4Z Micro <strong>Relay</strong> DC24V AC220V 12V 48V MY2/MY3/MY4 Miniature Size Protective Epoxy MY2/MY3/MY4 - Product Image 4
Brand New Original AS-13F 4Z Micro <strong>Relay</strong> DC24V AC220V 12V 48V MY2/MY3/MY4 Miniature Size Protective Epoxy MY2/MY3/MY4 - Product Image 5
Brand New Original AS-13F 4Z Micro <strong>Relay</strong> DC24V AC220V 12V 48V MY2/MY3/MY4 Miniature Size Protective Epoxy MY2/MY3/MY4 - Product Image 6

Brand New Original AS-13F 4Z Micro Relay DC24V AC220V 12V 48V MY2/MY3/MY4 Miniature Size Protective Epoxy MY2/MY3/MY4

$0.90-1.50
Min. order: 50 pieces
5.0/5.0 (5 reviews)
Flag of CNCN
Asiaon Electric Co., Ltd.
<strong>Relay</strong> <strong>module</strong> 1 2 4 6 8 10 Channels 5V 12V 24V DC <strong>optocoupler</strong> Isolation High Low Level Trigger Development Board <strong>Relay</strong> 12V 24V - Product Image 1
<strong>Relay</strong> <strong>module</strong> 1 2 4 6 8 10 Channels 5V 12V 24V DC <strong>optocoupler</strong> Isolation High Low Level Trigger Development Board <strong>Relay</strong> 12V 24V - Product Image 2
<strong>Relay</strong> <strong>module</strong> 1 2 4 6 8 10 Channels 5V 12V 24V DC <strong>optocoupler</strong> Isolation High Low Level Trigger Development Board <strong>Relay</strong> 12V 24V - Product Image 3
<strong>Relay</strong> <strong>module</strong> 1 2 4 6 8 10 Channels 5V 12V 24V DC <strong>optocoupler</strong> Isolation High Low Level Trigger Development Board <strong>Relay</strong> 12V 24V - Product Image 4
<strong>Relay</strong> <strong>module</strong> 1 2 4 6 8 10 Channels 5V 12V 24V DC <strong>optocoupler</strong> Isolation High Low Level Trigger Development Board <strong>Relay</strong> 12V 24V - Product Image 5
<strong>Relay</strong> <strong>module</strong> 1 2 4 6 8 10 Channels 5V 12V 24V DC <strong>optocoupler</strong> Isolation High Low Level Trigger Development Board <strong>Relay</strong> 12V 24V - Product Image 6

Relay module 1 2 4 6 8 10 Channels 5V 12V 24V DC optocoupler Isolation High Low Level Trigger Development Board Relay 12V 24V

$0.23-1.73
Min. order: 10 pieces72 sold
4.8/5.0 (35 reviews)
verify
Flag of CNCN
Shenzhen Cxcw Electronic Co., Ltd.
8 PNP Input NPN Output <strong>Optocoupler</strong> Terminal <strong>Module</strong> <strong>with</strong> Photoelectric Isolation DC12V Digital Output Interface - Product Image 1
8 PNP Input NPN Output <strong>Optocoupler</strong> Terminal <strong>Module</strong> <strong>with</strong> Photoelectric Isolation DC12V Digital Output Interface - Product Image 2
8 PNP Input NPN Output <strong>Optocoupler</strong> Terminal <strong>Module</strong> <strong>with</strong> Photoelectric Isolation DC12V Digital Output Interface - Product Image 3
8 PNP Input NPN Output <strong>Optocoupler</strong> Terminal <strong>Module</strong> <strong>with</strong> Photoelectric Isolation DC12V Digital Output Interface - Product Image 4
8 PNP Input NPN Output <strong>Optocoupler</strong> Terminal <strong>Module</strong> <strong>with</strong> Photoelectric Isolation DC12V Digital Output Interface - Product Image 5
8 PNP Input NPN Output <strong>Optocoupler</strong> Terminal <strong>Module</strong> <strong>with</strong> Photoelectric Isolation DC12V Digital Output Interface - Product Image 6

8 PNP Input NPN Output Optocoupler Terminal Module with Photoelectric Isolation DC12V Digital Output Interface

$20.50-21
Min. order: 5 pieces
Flag of CNCN
Suzhou Smaide Electric Co., Ltd.
Factory 12V 10A Miniature Automotive Car <strong>Relays</strong> Electrical Transparent General Auto <strong>Relays</strong> 8PIN Electromagnetic <strong>Relay</strong> Epoxy - Product Image 1
Factory 12V 10A Miniature Automotive Car <strong>Relays</strong> Electrical Transparent General Auto <strong>Relays</strong> 8PIN Electromagnetic <strong>Relay</strong> Epoxy - Product Image 2
Factory 12V 10A Miniature Automotive Car <strong>Relays</strong> Electrical Transparent General Auto <strong>Relays</strong> 8PIN Electromagnetic <strong>Relay</strong> Epoxy - Product Image 3
Factory 12V 10A Miniature Automotive Car <strong>Relays</strong> Electrical Transparent General Auto <strong>Relays</strong> 8PIN Electromagnetic <strong>Relay</strong> Epoxy - Product Image 4
Factory 12V 10A Miniature Automotive Car <strong>Relays</strong> Electrical Transparent General Auto <strong>Relays</strong> 8PIN Electromagnetic <strong>Relay</strong> Epoxy - Product Image 5
Factory 12V 10A Miniature Automotive Car <strong>Relays</strong> Electrical Transparent General Auto <strong>Relays</strong> 8PIN Electromagnetic <strong>Relay</strong> Epoxy - Product Image 6

Factory 12V 10A Miniature Automotive Car Relays Electrical Transparent General Auto Relays 8PIN Electromagnetic Relay Epoxy

$0.90-5
Min. order: 10 pieces
5.0/5.0 (5 reviews)
Flag of CNCN
Asiaon Electric Co., Ltd.
One-way <strong>Relay</strong> <strong>Module</strong> Delay Power Off Disconnect Trigger Delay Cycle Timing Circuit Switch - Product Image 1
One-way <strong>Relay</strong> <strong>Module</strong> Delay Power Off Disconnect Trigger Delay Cycle Timing Circuit Switch - Product Image 2
One-way <strong>Relay</strong> <strong>Module</strong> Delay Power Off Disconnect Trigger Delay Cycle Timing Circuit Switch - Product Image 3
One-way <strong>Relay</strong> <strong>Module</strong> Delay Power Off Disconnect Trigger Delay Cycle Timing Circuit Switch - Product Image 4
One-way <strong>Relay</strong> <strong>Module</strong> Delay Power Off Disconnect Trigger Delay Cycle Timing Circuit Switch - Product Image 5
One-way <strong>Relay</strong> <strong>Module</strong> Delay Power Off Disconnect Trigger Delay Cycle Timing Circuit Switch - Product Image 6
Ready to Ship

One-way Relay Module Delay Power Off Disconnect Trigger Delay Cycle Timing Circuit Switch

$2.56-2.96
Min. order: 1 piece40 sold
Shipping per piece: $4.22
Delivery by Oct 10
4.9/5.0 (10 reviews)
Flag of CNCN
Shenzhen Square Electronic Technology Co., Ltd.
2 channel 5V 12V 24V <strong>Relay</strong> <strong>Module</strong> Red Board <strong>Optocoupler</strong> Isolation Output High Low Level Trigger <strong>Relay</strong> <strong>Module</strong> - Product Image 1
2 channel 5V 12V 24V <strong>Relay</strong> <strong>Module</strong> Red Board <strong>Optocoupler</strong> Isolation Output High Low Level Trigger <strong>Relay</strong> <strong>Module</strong> - Product Image 2
2 channel 5V 12V 24V <strong>Relay</strong> <strong>Module</strong> Red Board <strong>Optocoupler</strong> Isolation Output High Low Level Trigger <strong>Relay</strong> <strong>Module</strong> - Product Image 3
2 channel 5V 12V 24V <strong>Relay</strong> <strong>Module</strong> Red Board <strong>Optocoupler</strong> Isolation Output High Low Level Trigger <strong>Relay</strong> <strong>Module</strong> - Product Image 4
2 channel 5V 12V 24V <strong>Relay</strong> <strong>Module</strong> Red Board <strong>Optocoupler</strong> Isolation Output High Low Level Trigger <strong>Relay</strong> <strong>Module</strong> - Product Image 5
2 channel 5V 12V 24V <strong>Relay</strong> <strong>Module</strong> Red Board <strong>Optocoupler</strong> Isolation Output High Low Level Trigger <strong>Relay</strong> <strong>Module</strong> - Product Image 6

2 channel 5V 12V 24V Relay Module Red Board Optocoupler Isolation Output High Low Level Trigger Relay Module

$0.64-0.66
Min. order: 2 pieces30 sold
4.7/5.0 (426 reviews)
Flag of CNCN
Shenzhen Yixing Micro Technology Co., Ltd.
12V 4 Channel <strong>Relay</strong> <strong>Module</strong> High Low Level Trigger <strong>with</strong> <strong>Optocoupler</strong> <strong>Relay</strong> Output 4 Way <strong>Relay</strong> <strong>Module</strong> - Product Image 1
12V 4 Channel <strong>Relay</strong> <strong>Module</strong> High Low Level Trigger <strong>with</strong> <strong>Optocoupler</strong> <strong>Relay</strong> Output 4 Way <strong>Relay</strong> <strong>Module</strong> - Product Image 2
12V 4 Channel <strong>Relay</strong> <strong>Module</strong> High Low Level Trigger <strong>with</strong> <strong>Optocoupler</strong> <strong>Relay</strong> Output 4 Way <strong>Relay</strong> <strong>Module</strong> - Product Image 3
12V 4 Channel <strong>Relay</strong> <strong>Module</strong> High Low Level Trigger <strong>with</strong> <strong>Optocoupler</strong> <strong>Relay</strong> Output 4 Way <strong>Relay</strong> <strong>Module</strong> - Product Image 4
Ready to Ship

12V 4 Channel Relay Module High Low Level Trigger with Optocoupler Relay Output 4 Way Relay Module

$1.25-1.69
Min. order: 3 pieces230 sold
Shipping per piece: $5.83
Delivery by Oct 07
4.8/5.0 (36 reviews)
Flag of CNCN
Shenzhen Gui Yi Technology Co., Ltd.
1 <strong>Relay</strong> <strong>Module</strong> 5V/12V/24V High and Low Level Trigger Electronic Switch Board <strong>with</strong> <strong>Optocoupler</strong> Isolation - Product Image 1
1 <strong>Relay</strong> <strong>Module</strong> 5V/12V/24V High and Low Level Trigger Electronic Switch Board <strong>with</strong> <strong>Optocoupler</strong> Isolation - Product Image 2
1 <strong>Relay</strong> <strong>Module</strong> 5V/12V/24V High and Low Level Trigger Electronic Switch Board <strong>with</strong> <strong>Optocoupler</strong> Isolation - Product Image 3
1 <strong>Relay</strong> <strong>Module</strong> 5V/12V/24V High and Low Level Trigger Electronic Switch Board <strong>with</strong> <strong>Optocoupler</strong> Isolation - Product Image 4
1 <strong>Relay</strong> <strong>Module</strong> 5V/12V/24V High and Low Level Trigger Electronic Switch Board <strong>with</strong> <strong>Optocoupler</strong> Isolation - Product Image 5
1 <strong>Relay</strong> <strong>Module</strong> 5V/12V/24V High and Low Level Trigger Electronic Switch Board <strong>with</strong> <strong>Optocoupler</strong> Isolation - Product Image 6
Ready to Ship

1 Relay Module 5V/12V/24V High and Low Level Trigger Electronic Switch Board with Optocoupler Isolation

$0.27-0.31
$0.30-0.35-10%
Min. order: 1 piece141 sold
4.9/5.0 (178 reviews)
Flag of CNCN
Shenzhen Jubaolai Electronics Co., Ltd.

Top categories

Power Supplies - Category Image
Power Supplies
Discrete Semiconductors - Category Image
Discrete Semiconductors
Telecommunications - Category Image
Telecommunications
Development Boards, Electronic Modules and Kits - Category Image
Development Boards, Electronic Modules and Kits
Audio Components and Products - Category Image
Audio Components and Products
Passive Components - Category Image
Passive Components
Electronic Accessories & Supplies - Category Image
Electronic Accessories & Supplies
PCB & PCBA - Category Image
PCB & PCBA
Displays, Signage and Optoelectronics - Category Image
Displays, Signage and Optoelectronics
Wireless & IoT Module and Products - Category Image
Wireless & IoT Module and Products
Circuit Protection - Category Image
Circuit Protection
Connectors, Terminals & Accessories - Category Image
Connectors, Terminals & Accessories
Isolators - Category Image
Isolators
Sensors - Category Image
Sensors
RF, Microwave and RFID - Category Image
RF, Microwave and RFID
Relays - Category Image
Relays