ναός Γραμματέας Ευνόητος 2 channel dc 24v 30a relay board module Σκύβω Βελούδινη κούκλα ρυθμός
YWBL-WH Relay Module One Way 30A Optocoupler Isolation Relay Module High Power Relay High/Low Level Trigger YYG-2(5VDC) (1): Amazon.com: Industrial & Scientific
Amazon.com: HiLetgo 2pcs DC 24V 2 Channel Relay Module with Isolated Optocoupler High and Low Level H/L Level Trigger Module Triggered by DC 24V : Industrial & Scientific
2 Channel Relay Module 5V 12V 24V Control Board with Optocoupler Isolation High and Low Level Trigger 50x41x18.5mm (24V): Amazon.com: Industrial & Scientific
two 2 channel relay module 30a| Alibaba.com
Amazon.com: KNACRO 1-Channel 30A High Current 24V Contactor Relay Switch Power Switch DC Power Switching Control Board Module Electrical Relay switches for Cooler Heater Refit Water Heater Control(DC 24V) : Electronics
Fafeicy YYG-2 30A One Way Relay Module, 30A Relay Module High Power One Way High/Low Level Trigger Optocoupler Isolation Relay Module (DC5V): Amazon.com: Industrial & Scientific
two 2 channel relay module 30a| Alibaba.com
2 Channel 30A DC 5V 12V 24V Relay Module Optocoupler Isolation High Low Trigger | eBay