Entrée digitale sécurisée/sortie relais, 4/4 canaux (750-669/000-003)

AEDIKO 2pcs DC 12V Relay Module 4 Channel Relay Board Shield with Optocoupler Isolation Suport High/Low Level Trigger: : Industrial & Scientific

4 Channel USB Powered Relay Module With GPIO

Web power switching is now affordable! This smart relay includes a web server, power supply, auto-ping, clock/calendar, and eight control relays all

DIN Relay IV

4 Channel USB Relay Module With GPIO And Analog Inputs

AEDIKO 2pcs DC 12V Relay Module 4 Channel Relay Board Shield with Optocoupler Isolation Suport High/Low Level Trigger: : Industrial & Scientific

Relays

EWNICE V4/V6/V7 Relay Socket with Wire 4pin 5pin 30A/40A 70A/80A 12V/24V DC for Automotive Head Light Air Condition Relay (Size : V4 4PIN Socket)

Relay Modules

4 Channel USB Powered Relay Module With GPIO

REL15004 - protection relay Easergy P1F 24-250V 3CT 1Io: 0.01-2IN 0DI-6DO RS485 USB

4 Channel USB Powered Relay Module With GPIO

NOYITO 4-Channel Relay Module DC 5V 12V 24V Self-Locking Triggering Interlocking High Low Level Trigger for PLC Industrial Control (5V): : Industrial & Scientific