Relay Module

145 products

Ignition Circuit Board Replacement Suburban 520820 RV Furnace Heater Fan Control

$34.09

220V24V12V time relay delayed on-off wireless cycle switch digital display intelligent time control module

$3.93

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

$0.78

8-way relay module low-level trigger with optocoupler 5V12V relay PLC control board development board

$2.73

USB Isolator / USB to USB Isolation Digital Signal Audio Power Isolator ADuM3160

$6.70

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

1/2/4/8 Channel 5V Relay Module Optocoupler Isolation High/Low Level Trigger for MCU

$0.52

[Factory direct sale] FRM01 multi-function relay module cycle delay time switch self-locking 12V

$2.92

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 / Detect 220V Voltage Presence / Compatible with PLC

$1.02

Single-Channel 30A Relay Module 5V/12V/24V with Optocoupler Isolation, High/Low Level Trigger for PLC Industrial Control

$1.59

1 channel 5V12V24V relay module with optocoupler isolation supports high and low level trigger development board relay

$0.53

220V Wireless Remote Control Switch High-Power Water Pump Motor Remote Control Switch No Wiring Required Light Fixture Remote Control Switch

$2.50

1/2/4/8-channel 5V relay module, optocoupler isolation, high and low level trigger, microcontroller, red board

$0.64

5V/12V relay soil moisture relay module, soil moisture sensor

$1.09

6-30V relay module, switch trigger time delay circuit, timer, one-channel relay module

$0.83

1/2/4/8-channel 5V high/low level solid-state relay module with fuse; solid-state relay 250V 2A.

$1.02

Hongfa Relay HF165FD-G 12-HY1STF 24-ZY1STF HY1FSTFV 4-Pin 30A 40A

$0.86

1/2/4/8/16-channel 5V/12V low-level module with optocoupler relay, microcontroller development board, expansion board

$0.36