Relay Module

130 products

8-Channel 12V Computer USB Control Switch Driver-Free Relay Module PC Smart Controller Red Board

$6.09

Modbus-Rtu 1/2/4/8 Channel Relay Module Digital Input/Output RS485/TTL Communication

$2.23

3SK1111-1AB30 Siemens 3SK Safety Relay 24 V AC/DC Bolt-Type Terminal Connection

$159.09

5V 1/2/4/6/8 Channel Relay Module Optocoupler Supports High and Low Level Trigger

$0.34

Relay module 5/12/24V optocoupler isolation 1/2/4/8-channel high/low level trigger development board microcontroller

$0.59

1-8 Channel 5V/12V/24V Relay Module with Optocoupler Isolation High Drive Current Stable Control Strong Anti-Interference

$0.66

1/2/4/8-Channel 5V/12V/24V Relay Module with Optocoupler Isolation Development Board Supports High/Low Level Trigger Power Supply

$0.86

Delay time relay module 5V 12V 24V timed programmable optocoupler isolated pulse cycle power-off trigger

$1.65

1/2/4/8-channel 30A relay module with optocoupler, high/low level triggering PLC microcontroller control board

$2.05

Ignition circuit board replacement for Suburban 520820 RV furnace heater fan control

$34.09

220V/24V/12V Time Relay Delay On/Off Wireless Cyclic Switch Digital Display Intelligent Time Control Module

$3.77

XH-M131 Photoresistor Module, Automatic Brightness Control, 5V/12V Light Control Relay Switch

$0.78

8-channel relay module, low-level trigger with optocoupler, 5V/12V relay, PLC control board, development board.

$2.73

USB isolator/USB to USB isolation digital signal audio power isolator ADuM3160

$6.02

Low-level solid-state relay module, 1/2/4/8 channels, 5V with fuse, 250V 2A solid-state relay.

$0.81

ESP32-C6 DC5-60V Power Supply WiFi Bluetooth BLE Single Relay Module Development Board

$10

Omron Relay 3V 5V 6V 9V 12V 24V Miniature Power Relay 10A

$0.02

1-channel, 2-channel, 4-channel, 8-channel 5V relay module with optocoupler isolation, high/low level triggering, and microcontroller.

$0.48

[Factory Direct Sales] FRM01 Multifunctional Relay Module, Cyclic Delay, Timer Switch, Self-Locking, 12V

$2.91

M8 M10 High Current Busbar Terminal Block for Car RV Yacht Modification DC Relay

$3.07

Trigger Cycle Timer Delay Switch Circuit Dual MOS Tube Control Board Replaces Relay Module 12 24V

$0.82

Relay module group 5V/12V/24V optocoupler isolated 2/4/6/8/10-channel high and low level trigger development board

$1.30

Dual-Channel High-Power Relay Module with Optocoupler Isolation, High/Low Level Trigger 5V/12V/24V 30A YYG-3

$5.68

1-channel 220V AC optocoupler module / 220V optocoupler isolation / Detects 220V voltage presence / PLC compatible

$0.97