Relay Module

130 products

ESP32-S3 Industrial Control Board, Industrial Grade 1-Channel Wi-Fi Network Relay, Supports Wi-Fi/Bluetooth/RS485

$20.91

PDSink Decoy QC PD Fast Charging Test Board Adjustable Voltage 5~20V Dial

$1.14

12V Voltage Regulator 026000-2121 70000-65398 Suitable for Kubota L175 L24

$227.05

6545XF Compatible with Peugeot 508 301 Citroen C5 New Elysee Fan Electronic Fan Relay

$3.86

DC5-30V single-channel relay module Bluetooth proximity switch module, no APP system required, direct Bluetooth connection to devices.

$6.36

5V/12V/24V Relay Module 1-Channel 30A with Optocoupler Isolation Supports High/Low Level Trigger High Power

$1.79

NE555 Time Delay Relay Module, Monostable Switch, Time Delay Switch, 5V/12V Automotive Electrical Components

$0.52

DC7-28/5V Power Supply WiFi Bluetooth Dual 30A Relay Development Board ESP32 Secondary Development

$9.55

2-channel time relay module, 5V/12V/24V programmable optocoupler isolated pulse cycle power-off trigger.

$3.30

5V relay module with optocoupler isolation 4-way 6-way 8-way 16-way relay module low level trigger

$0.61

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

$1.84

3.7V to 9V 5V Multimeter Modification 18650 Lithium Battery Charging Boost Discharge Integrated Adjustable Module 2A

$0.28

ESP32-S3 6-Channel WiFi Network Relay Module Supports WiFi/Bluetooth/RS485/Pico Interface

$35.91

Industrial Grade Modbus RTU Optocoupler Isolation RS485 Rail Mount 1/2/3/4/8 Channel Relay ABS Housing

$10.68

New Original Chaoguang Automotive Relay CG-12F 24V Pure Copper Wire High Power Waterproof 5-Pin 80A

$0.68

Hongfa Relay JQX/HF105F-4-005D 012D 024D 220A-1HS 1ZS 1HST 1ZST

$1.05

1/2/4/8 Channel Solid State Relay Module 5A High-Level Single-Phase PLC Controller Automation Intelligent

$3.86

Multi-channel relay module (WS0410~WS1610 series) 4-channel, 6-channel, 8-channel relay module wholesale

$9.09

R001751 RV Relay for PopUp Camper 12V Relay Vehicle-Mounted

$17.95

Single-Channel High Power Relay Module Optocoupler Isolation High/Low Level Trigger 5V/12V/24V 30A YYG-2

$3.18

4-channel relay module with optocoupler isolation, 5V/12V/24V high/low level triggering PLC drive control board module

$1.77

Driverless/USB control switch, 1/2/4/8 channel relay module/computer control switch/PC intelligent control

$3.50

DC7-60/5V Power Supply WiFi Bluetooth Single Channel 30A Relay Development Board ESP32 Secondary Development

$8.18

RB-R6F6S-W1 12V Waterproof Automotive Relay Box with Wiring Pre-Wired Waterproof Automotive Fuse Box

$14.77