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One Channel 5V/10V 10A/20A Electronic Relay Switch High Voltage PWM Servo Signal Input Control Module for RC Model Aircraft Toy

$3.90-4.80 Min. Order: 5 pieces

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1/2/4/6/8 Channels 5V/12V/24V with Optocoupler Relay Control Board with Indicator Light Relay Output

$0.30-2.50 Min. Order: 1 piece

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DC 5V 12V Time Delay Relay NE555 Time Relay Shield Timing Relay Timer Control Switch Car Relays Pulse Generation Duty Cycle

$0.10-1 Min. Order: 1 piece

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817 Optocoupler Voltage Controlled Interface Module 4-Channel Voltage Isolation Driver Photoelectric Isolation Board

$0.57 Min. Order: 10 pieces

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Miniature High Power 20A Intermediate Relay 14P with Light JZX-22F AC 24V Mainland China

$1.47 Min. Order: 24 pieces

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HHD10-D Industrial Control Automation Over Under Voltage Phase Loss Phase Sequence Protection Relay Replaces ABJ1-18

$7.91 Min. Order: 500 pieces

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LCUS-1 Type USB Relay Module Electronic Converter PCB USB Intelligent Control Switch

$2.80 Min. Order: 5 pieces

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Modbus RTU 12V 32-channel Electromechanical RS485 Relay 32 Way Protocol Serial Port Remote Control Switch PLC Control Board

$39.50 Min. Order: 1 piece

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2 Channel 2CO DPDT Low Power 2P Sealed Miniature Screw Terminal General Purpose 24V DC 12A Power Relay Module Industrial

$10.50-11 Min. Order: 1 piece

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3UA5500-2C Thermal Delayed Overload Relay Industrial Automation Use Germany Origin 12-Month Warranty New Original

$123-234 Min. Order: 1 piece

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ESP32 Dual Relay Module with RS485 Modbus 2-Channel Input/Output Opto-Isolated WiFi + BT Industrial Automation Controller

$0.52-8.28 Min. Order: 2 pieces

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RJ2S-CL-D24 Intermediate Relay 24VDC 8A DPDT 8-Pin with LED Indicator Miniature Size

$1.71-1.98 Min. Order: 5 pieces

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5V 1-Channel DIN Rail Mountable Relay Module Low Level Trigger Optocoupler Isolation Switch Board AC/DC 250V/10A Load Control

$0.25 Min. Order: 10 pieces

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24V 8-Channel Relay Module with RS485 Web-Controlled Single Relay Over 2 Amps Power Relays

$2.57 Min. Order: 5 pieces

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AFKV-24F 3*380VAC 50/60HZ Over Volt 180V Under Volt 500V DIN Rail Phase Sequence Asymmetry Fixed 11% Phase Failure Relay

$4.70-5.20 Min. Order: 5 pieces

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SZR-LY2-S-N1 Power Relay

$7-10 Min. Order: 1 piece

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AFR-1 5A 8pin Relay 250V AC Liquid Water Level Control Float Less Relay Sensor Switch

$1.20-12 Min. Order: 100 pieces

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Smart Home System 10A Mini 1-3CH Smart Switch Tuya No Neutral Wire Two-Way Switch Single-Pole Double-Control Voice Smart Relay

$5.54-9.94 Min. Order: 1 piece

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8-Channel Digital Output Spring Terminal Block Relay Module 24VDC Miniature

$27.50-28 Min. Order: 1 piece

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AB531TH00 16A Miniature Modular Time Delay Relay AC/DC 12-240V DIN Rail Industrial Timer with Silver Alloy Contacts

$6.80 Min. Order: 10 pieces

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SCT016S Split Core Current Transformer 40-100mA 1A Output 50-200A 0.2/0.5% Accuracy Laminated Silicon Steel Core 50-60Hz

$4.70-6.93 Min. Order: 1 piece

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8-Channel Digital Output Power Relay Module RJ2S-C-D24 Screw Relay Module with Electromagnetic Theory

$38 Min. Order: 1 piece

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Zigbee Jog Inching Switch Module 7-32V Smart Switch Work With Zigbee Bridge Voice Control by Alexa Include Shell

$5.50-6 Min. Order: 100 pieces

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STEM Electronic Building Blocks Single-Channel 5V Relay for Arduino Programming

$1.04-1.16 Min. Order: 1 piece