![Amazon.com: ASHATA Relay Module, 4-Channel 12V Computer USB Smart Switch Controller PC Relay Module Expansion Board Use Imported High Performance USB Control Chip. : Industrial & Scientific Amazon.com: ASHATA Relay Module, 4-Channel 12V Computer USB Smart Switch Controller PC Relay Module Expansion Board Use Imported High Performance USB Control Chip. : Industrial & Scientific](https://m.media-amazon.com/images/I/51l8KnGYU-L._AC_SY1000_.jpg)
Amazon.com: ASHATA Relay Module, 4-Channel 12V Computer USB Smart Switch Controller PC Relay Module Expansion Board Use Imported High Performance USB Control Chip. : Industrial & Scientific
![Amazon.com: mankk Polarity Reverse Momentary Rocker Switch 12V DC 10A DPDT 6 Pin (ON)/Off/(ON) 3 Position Motor Control Toggle Switch with Jumper Wires for Car Boat Trailer Ect M-KCD2-223M-JT-X : Automotive Amazon.com: mankk Polarity Reverse Momentary Rocker Switch 12V DC 10A DPDT 6 Pin (ON)/Off/(ON) 3 Position Motor Control Toggle Switch with Jumper Wires for Car Boat Trailer Ect M-KCD2-223M-JT-X : Automotive](https://m.media-amazon.com/images/I/41JZPSKl4fL._AC_.jpg)
Amazon.com: mankk Polarity Reverse Momentary Rocker Switch 12V DC 10A DPDT 6 Pin (ON)/Off/(ON) 3 Position Motor Control Toggle Switch with Jumper Wires for Car Boat Trailer Ect M-KCD2-223M-JT-X : Automotive
![3 Channels Momentary Switch Control SPDT 10Amp Power Relay Module (DC 12V): Amazon.com: Industrial & Scientific 3 Channels Momentary Switch Control SPDT 10Amp Power Relay Module (DC 12V): Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/71Z7z75QWhL.jpg)
3 Channels Momentary Switch Control SPDT 10Amp Power Relay Module (DC 12V): Amazon.com: Industrial & Scientific
![DEVMO 10 PCS DC 5V-36V 15A(Max 30A) 400W Dual High-Power MOSFET Trigger Switch Drive Module 0-20KHz PWM Adjustment Electronic Switch Control Board Motor Speed Control Lamp Brightness Control: Amazon.com: Industrial & Scientific DEVMO 10 PCS DC 5V-36V 15A(Max 30A) 400W Dual High-Power MOSFET Trigger Switch Drive Module 0-20KHz PWM Adjustment Electronic Switch Control Board Motor Speed Control Lamp Brightness Control: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/718TKgllrCL.jpg)
DEVMO 10 PCS DC 5V-36V 15A(Max 30A) 400W Dual High-Power MOSFET Trigger Switch Drive Module 0-20KHz PWM Adjustment Electronic Switch Control Board Motor Speed Control Lamp Brightness Control: Amazon.com: Industrial & Scientific
![Amazon.com: XIAOMINDIAN 1PC Relay for Relais Delixi Solid State Relay Single Phase DC Control AC CDG1-1DA 40A D4840 SSR-DA40 Printer Parts : Industrial & Scientific Amazon.com: XIAOMINDIAN 1PC Relay for Relais Delixi Solid State Relay Single Phase DC Control AC CDG1-1DA 40A D4840 SSR-DA40 Printer Parts : Industrial & Scientific](https://m.media-amazon.com/images/I/31rzNTyaxrL._AC_SY580_.jpg)
Amazon.com: XIAOMINDIAN 1PC Relay for Relais Delixi Solid State Relay Single Phase DC Control AC CDG1-1DA 40A D4840 SSR-DA40 Printer Parts : Industrial & Scientific
![GRT8-A1 Delay Timer Switch, AC/DC 12V~240V Mini Power On Delay Time Relay DIN Rail 35mm Cycle Delay Timer Relay Switch for Industrial Control: Amazon.com: Tools & Home Improvement GRT8-A1 Delay Timer Switch, AC/DC 12V~240V Mini Power On Delay Time Relay DIN Rail 35mm Cycle Delay Timer Relay Switch for Industrial Control: Amazon.com: Tools & Home Improvement](https://m.media-amazon.com/images/I/31DRvV5BVvL._AC_SY1000_.jpg)
GRT8-A1 Delay Timer Switch, AC/DC 12V~240V Mini Power On Delay Time Relay DIN Rail 35mm Cycle Delay Timer Relay Switch for Industrial Control: Amazon.com: Tools & Home Improvement
![NOYITO 4 Channel Relay Module High Low Level Trigger with Optocoupler Isolation Load DC 30V AC 250V 10A for PLC Automation Equipment Control (4-Channel 12V): Amazon.com: Industrial & Scientific NOYITO 4 Channel Relay Module High Low Level Trigger with Optocoupler Isolation Load DC 30V AC 250V 10A for PLC Automation Equipment Control (4-Channel 12V): Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/415+TmJ7xTL._AC_SY1000_.jpg)
NOYITO 4 Channel Relay Module High Low Level Trigger with Optocoupler Isolation Load DC 30V AC 250V 10A for PLC Automation Equipment Control (4-Channel 12V): Amazon.com: Industrial & Scientific
![Amazon.com: HiLetgo 12V 8 Channel Relay Module with OPTO-Isolated High and Low Level Trigger 8 Ways Relay Switch Module for Arduino : Industrial & Scientific Amazon.com: HiLetgo 12V 8 Channel Relay Module with OPTO-Isolated High and Low Level Trigger 8 Ways Relay Switch Module for Arduino : Industrial & Scientific](https://m.media-amazon.com/images/I/51kdfS6mstL._AC_SY580_.jpg)
Amazon.com: HiLetgo 12V 8 Channel Relay Module with OPTO-Isolated High and Low Level Trigger 8 Ways Relay Switch Module for Arduino : Industrial & Scientific
![Amazon.com: SCHNEIDER ELECTRIC 8501XDO20V53 10 Amp 600 VAC Nema Control Relayplus Options : Industrial & Scientific Amazon.com: SCHNEIDER ELECTRIC 8501XDO20V53 10 Amp 600 VAC Nema Control Relayplus Options : Industrial & Scientific](https://m.media-amazon.com/images/I/51SK3tyvn1L._AC_SY580_.jpg)
Amazon.com: SCHNEIDER ELECTRIC 8501XDO20V53 10 Amp 600 VAC Nema Control Relayplus Options : Industrial & Scientific
![Amazon.com: Kigauru Relay 10Pcs 10A General Purpose Relay LY2NJ with LED lamp 8 pins dpdt Relais 12v 24v 36v 110v 220v 380v (Size : DC 12V) : Industrial & Scientific Amazon.com: Kigauru Relay 10Pcs 10A General Purpose Relay LY2NJ with LED lamp 8 pins dpdt Relais 12v 24v 36v 110v 220v 380v (Size : DC 12V) : Industrial & Scientific](https://m.media-amazon.com/images/I/61k9I7s9xVL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Kigauru Relay 10Pcs 10A General Purpose Relay LY2NJ with LED lamp 8 pins dpdt Relais 12v 24v 36v 110v 220v 380v (Size : DC 12V) : Industrial & Scientific
![Schneider Electric RM22LA32MT Level Control Relay Relais Zelio New NFP: Amazon.com: Industrial & Scientific Schneider Electric RM22LA32MT Level Control Relay Relais Zelio New NFP: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/61KqYUF58PL.jpg)
Schneider Electric RM22LA32MT Level Control Relay Relais Zelio New NFP: Amazon.com: Industrial & Scientific
![Amazon.com: Lystin 8 Channel DC 5V DC 230V Relay Module Control Board with Optocoupler for UNO R3 MEGA 2560 1280 DSP ARM PIC AVR TTL Logic STM32 Raspberry Pi : Electronics Amazon.com: Lystin 8 Channel DC 5V DC 230V Relay Module Control Board with Optocoupler for UNO R3 MEGA 2560 1280 DSP ARM PIC AVR TTL Logic STM32 Raspberry Pi : Electronics](https://m.media-amazon.com/images/I/51LXXyt27bL._AC_SY580_.jpg)
Amazon.com: Lystin 8 Channel DC 5V DC 230V Relay Module Control Board with Optocoupler for UNO R3 MEGA 2560 1280 DSP ARM PIC AVR TTL Logic STM32 Raspberry Pi : Electronics
![Amazon.com: Twin Timer Relay On Off Knob Control Time Switch 6S-60M (DC12V) : Tools & Home Improvement Amazon.com: Twin Timer Relay On Off Knob Control Time Switch 6S-60M (DC12V) : Tools & Home Improvement](https://m.media-amazon.com/images/I/6166l949QhL.jpg)
Amazon.com: Twin Timer Relay On Off Knob Control Time Switch 6S-60M (DC12V) : Tools & Home Improvement
![Amazon.com: Baomain AC Contactor CT1-25 110V 25A 2 Pole Universal Circuit Control : Industrial & Scientific Amazon.com: Baomain AC Contactor CT1-25 110V 25A 2 Pole Universal Circuit Control : Industrial & Scientific](https://m.media-amazon.com/images/I/516zzYr5bGL.jpg)
Amazon.com: Baomain AC Contactor CT1-25 110V 25A 2 Pole Universal Circuit Control : Industrial & Scientific
![DC-AC Industrial Solid State Relay SSR-80DD 80A 5-25mA 3-32VDC to 5-60 VDC: Amazon.com: Industrial & Scientific DC-AC Industrial Solid State Relay SSR-80DD 80A 5-25mA 3-32VDC to 5-60 VDC: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/418WqJwmrTL._AC_.jpg)
DC-AC Industrial Solid State Relay SSR-80DD 80A 5-25mA 3-32VDC to 5-60 VDC: Amazon.com: Industrial & Scientific
![HiLetgo 2pcs 12V Single Bistable Self-Locking Relay Module Push to Start and Stop: Amazon.com: Industrial & Scientific HiLetgo 2pcs 12V Single Bistable Self-Locking Relay Module Push to Start and Stop: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/510UWY1b2AL._AC_.jpg)
HiLetgo 2pcs 12V Single Bistable Self-Locking Relay Module Push to Start and Stop: Amazon.com: Industrial & Scientific
![NOYITO 2-Channel Micro USB Relay Module USB Smart Control Switch USB Intelligent Control Switch (2-Channel Micro USB): Amazon.com: Industrial & Scientific NOYITO 2-Channel Micro USB Relay Module USB Smart Control Switch USB Intelligent Control Switch (2-Channel Micro USB): Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/41QCjLtmrzL._AC_SY1000_.jpg)
NOYITO 2-Channel Micro USB Relay Module USB Smart Control Switch USB Intelligent Control Switch (2-Channel Micro USB): Amazon.com: Industrial & Scientific
![uxcell DC 12V Relay Module 1 Channel Low Lever Trigger for UNO R3 DSP ARM PIC AVR STM32 - - Amazon.com uxcell DC 12V Relay Module 1 Channel Low Lever Trigger for UNO R3 DSP ARM PIC AVR STM32 - - Amazon.com](https://m.media-amazon.com/images/I/41YofUOeYSL._AC_SY580_.jpg)
uxcell DC 12V Relay Module 1 Channel Low Lever Trigger for UNO R3 DSP ARM PIC AVR STM32 - - Amazon.com
![Amazon.com: WINGONEER 5PCS KY-019 5V One Channel Relay Module Board Shield for PIC AVR DSP ARM for Relay : Electronics Amazon.com: WINGONEER 5PCS KY-019 5V One Channel Relay Module Board Shield for PIC AVR DSP ARM for Relay : Electronics](https://m.media-amazon.com/images/I/61AbN0I30LL.jpg)
Amazon.com: WINGONEER 5PCS KY-019 5V One Channel Relay Module Board Shield for PIC AVR DSP ARM for Relay : Electronics
![Square D NEMA Style Control Relay, 24VDC, 10A @ 120/240/480/600V, 5A @ 125/250V, 10 Pins: Amazon.com: Industrial & Scientific Square D NEMA Style Control Relay, 24VDC, 10A @ 120/240/480/600V, 5A @ 125/250V, 10 Pins: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/51Pp96NirSL._AC_SY580_.jpg)
Square D NEMA Style Control Relay, 24VDC, 10A @ 120/240/480/600V, 5A @ 125/250V, 10 Pins: Amazon.com: Industrial & Scientific
![Relay Controller,USB Relay Switch 12V 8 Channel Relay Module with USB Interface Drive-Free for Computer Smart Control Switch: Amazon.com: Industrial & Scientific Relay Controller,USB Relay Switch 12V 8 Channel Relay Module with USB Interface Drive-Free for Computer Smart Control Switch: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/51KfEtSMxAL._AC_SY1000_.jpg)
Relay Controller,USB Relay Switch 12V 8 Channel Relay Module with USB Interface Drive-Free for Computer Smart Control Switch: Amazon.com: Industrial & Scientific
![Square D NEMA Style Control Relay, 24VAC, 10A @ 120/240/480/600V, 5A @ 125/250V, 18 Pins: Amazon.com: Industrial & Scientific Square D NEMA Style Control Relay, 24VAC, 10A @ 120/240/480/600V, 5A @ 125/250V, 18 Pins: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/51bmDTJncRL._AC_SY780_.jpg)
Square D NEMA Style Control Relay, 24VAC, 10A @ 120/240/480/600V, 5A @ 125/250V, 18 Pins: Amazon.com: Industrial & Scientific
![24v 1 CH Channel Time Delay Relay Control Module Digital Led Display Timer Module Switch Relais Cycle Timer Controller Board: Amazon.com: Industrial & Scientific 24v 1 CH Channel Time Delay Relay Control Module Digital Led Display Timer Module Switch Relais Cycle Timer Controller Board: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/41jkYT4KR9L.jpg)
24v 1 CH Channel Time Delay Relay Control Module Digital Led Display Timer Module Switch Relais Cycle Timer Controller Board: Amazon.com: Industrial & Scientific
![3 Channels Momentary Switch Control SPDT 10Amp Power Relay Module (DC 12V): Amazon.com: Industrial & Scientific 3 Channels Momentary Switch Control SPDT 10Amp Power Relay Module (DC 12V): Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/51k5ZGPS0xL._SR600%2C315_PIWhiteStrip%2CBottomLeft%2C0%2C35_PIStarRatingFOURANDHALF%2CBottomLeft%2C360%2C-6_SR600%2C315_ZA11%2C445%2C290%2C400%2C400%2CAmazonEmberBold%2C12%2C4%2C0%2C0%2C5_SCLZZZZZZZ_FMpng_BG255%2C255%2C255.jpg)