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Amazon.com: Yeeco® 30A High Current 12V Contactor Relay Switch Power Switch DC Power Switching Control Board Control Module Electrical Relay Switches for Cooler Heater Refit Water Heater Control : Industrial & Scientific
Amazon.com: High Current Starter Relay DC 12V 500A SPST Auto Start Contactor : Automotive
HiLetgo 2pcs DC 12V 2 Channel Relay Module with Isolated Optocoupler High and Low Level H/
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5V 12V 24V 1 Channel DC Relay Module Solid State Low Level SSR Relay (5V): Amazon.com: Industrial & Scientific
Amazon.com: Electronics-Salon 4 DPDT Signal Relay Module Board, DC 12V Version, for Arduino Raspberry-Pi 8051 PIC. : Electronics
Amazon.com: irhapsody 1 Pack 40/30 AMP 12V DC Waterproof Relay and Harness - Heavy Duty 12 AWG Tinned Copper Wires, 5-PIN SPDT Automotive Relay : Automotive
DC Current Switch,Current Sensing Relay DC Current Sensing Switch 0-50A Amp Sensor Monitoring Relay D360: Amazon.com: Industrial & Scientific
Amazon.com: Timer Relay, Adjustable Signal Trigger Turn Off Delay Timer Switch Relay Module 12V : Tools & Home Improvement
1 Channel Relay Shield Module, 10PCS DC 5V Indicator Light LED Module for Arduino R3 MEGA 2560 1280 ARM PIC AVR STM32 Raspberry Pi MCU DSP Official Boards Shield (10PCS): Amazon.com: Industrial
NOYITO 4-Channel Relay Module 5V 12V 24V High Low Level Trigger with Optocoupler Isolation Relay Load AC 250V 10A DC 30V 10A (DC 5V, Red): Amazon.com: Industrial & Scientific
Onyehn 1 Channel DC 3V Relay High Level Driver Module Optocoupler Relay Module Isolated Drive Control Board for Arduino (Pack of 8): Amazon.com: Industrial & Scientific
SSR Relay DC to DC Solid State Relay SSR-80DD 80A 3-32VDC to 5-60 VDC Industrial Solid State Relay, for Industrial Automation Devices, Motor Control, Safety Systems: Amazon.com: Industrial & Scientific
NOYITO 30A 1 Channel Relay Module High Low Level Trigger with Optocoupler Isolation Load DC 30V AC 250V 30A for PLC Automation Equipment Control Industrial Control (1 Channel 12V): Amazon.com: Industrial &
Amazon.com: ELEGOO 4 Channel DC 5V Relay Module with Optocoupler Compatible with Arduino UNO R3 MEGA 2560 DSP ARM PIC AVR STM32 Raspberry Pi : Electronics
Amazon.com: HiLetgo 5V 8 Channel Relay Module with OPTO-Isolated Support High and Low Level Trigger : Industrial & Scientific
Finder 0-250V 12A, SPDT Plug-in Power Relay with 12v DC Coil: Amazon.com: Industrial & Scientific
Amazon.com: Forward and Reverse Relay Module for Motor/Linear Actuator, Reversing Relay Module (DC 12V) : Automotive