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Relays, Timers & Counters
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Relays
(664)
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Relays
5V NE555 Time Relay Shield Timing Relay Timer Control Switch Car Relays
$
12.99
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Relays
12V NE555 Time Relay Shield Timing Relay Timer Control Switch Car Relays
$
12.99
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Relays
Waveshare 24921 Modbus RTU 16-Ch Relay Module, RS485 Interface, With Multiple Isolation Protection Circuits
$
71.13
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Relays
DK-C-01 Anti-Reverse Circuit Delay Relay Module DC12V Timing Delay Controller Module
$
15.99
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Relays
Deek-Robot DDC-432 Delay Relay Switch DC5V-30V Dual MOS Tube Digital Display Time Relay Controller
$
15.99
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Relays
Deek-Robot DDC-431 Timer Delay Relay Switch Digital LED Display Delay Controller
$
15.99
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Relays
PTA8D08 8ch DC 8-30V PT100 RTD RS485 Temperature Sensor Module Modbus RTU Platinum Thermal Resistance Collector -40~500C Module Board
$
36.79
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Relays
PT21A01 DC12V PT100 RTD Converter with RS485 Modbus RTU Sensor for Accurate Temperature Monitoring
$
12.99
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Relays
NT28B16 TB438 16Ch RS485 Temperature Data Logger with Modbus RTU&NTC Sensor Module Board
$
22.99
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Relays
16AI RS485 Analog Input RS485 PT100 RTD Temperature Sensor Collector Lithium Battery Test PLC Configuration Software
$
47.99
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Relays
R4D7G04 20DO 2DI 2AI RS485 Modbus RTU Relay Multifunction Module PLC IO Expanding Board 4-20MA 0-10V Current and Voltage Collection
$
24.99
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Relays
DC 12V 24V LED Digital Relay Switch Control Board Module Relay Module Voltage Detection Charging Discharge Monitor Test Module Board
$
12.99
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Relays
AOQDQDQD HCW-03 12V Relay Module with Infinite Cycle/Single Time/Delay Dual Adjustable/Multifunctional Relay Module/Delay Circuit Module
$
10.99
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Relays
AOQDQDQD 5V/12V Time Control Switch with Intermittent Infinite Loop Countdown and Timing Relay Module
$
12.99
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Relays
AOQDQDQD 5V 2-Channel Relay Module with Optocoupler Protection and Expansion Board for Home Automation and DIY Projects
$
9.99
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Relays
AOQDQDQD 12V Relay Module with Single-Key Dual Stable State Self-Locking and MCU Control for Automation and Control Systems
$
10.99
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Relays
5V 6V 9V 12V Motor Forward and Reverse Delay Module Time Delay Relay Adjustable DPDT Relay Reverse Polarity Module
$
12.99
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Relays
5V 12V 24V Single Button Bistable Switch Bi-stable Relay Module Car Modification Switch One-button Start-stop Self-locking Relay Module Board
$
10.99
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Relays
DC12V 24V AMDSG08 8-Channel RS485 DS18B20 Temperature Collector Module for Industrial Automation and Control
$
32.59
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Relays
DC 12V 24V Din Rail DIP Switch RS485 Wireless Transceiver 20DBM-121dBm UART Transmitter and Receiver Modbus RTU Module
$
21.99
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Relays
AMPTI04 DC 12V 24V 4AIPT100 RTD Sensor to RS485 Temperature Collector Module Platinum Thermal Resistance Collector
$
32.59
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Relays
8ch RS485 Modbus RTU DO/PWM Output Multifunction MOS Driver Board for Multilayer Signal Lights LED Relay Solenoid Valves Motor
$
13.99
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Relays
23IOE48 48 CH Multifunctional RS485 Remote IO Module PLC DI-DO Expansion Board DIN Rail
$
53.59
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Relays
23IOD32 32CH Multifunctional RS485 Remote IO Module PLC DI-DO Expansion Board DIN Rail
$
39.59
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Relays
23IOC24 24CH Multifunctional RS485 Remote IO Module PLC DI-DO Expansion Board DIN Rail
$
33.99
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Relays
23IOB16 16CH Multifunctional RS485 Remote IO Module PLC DI-DO Expansion Board DIN Rail
$
24.99
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Relays
23IOA08 8CH Multifunctional RS485 Remote IO Module PLC DI-DO Expansion Board DIN Guide Rail
$
20.99
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Relays
Geekcreit DSP & PLL Digital Stereo FM Radio Receiver Module 87-108MHz With Serial Control
$
22.99
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Relays
SSR -25DD/ 40DD DC Control DC SSR White Shell Single Phase Solid State Relay
$
18.99
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Relays
Bistable Relay Module 5V 12V Single Button Relay Module One Key Car Modification Start-Stop Self locking Car Modification Switch
$
12.99
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Relays
5V Time Control Switch Intermittent Infinite Loop Countdown Switch Controller Timing Relay Module
$
17.99
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Relays
5V Relay 2 Channel SSR Low Level Solid State Relay Module 250V 2A with Fuse
$
15.99
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Relays
30A 12V 24V DC Motor Controller Relay Board Forward Reverse Control Limit Start Stop Switch for Garage Door Crane Elevator
$
22.99
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Relays
2 Channel Relay Module 30A with Optocoupler Isolation 5V Supports High and Low Trigger
$
18.99
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Relays
12V 30A One Channel Relay Module with Optocoupler Isolation Support High and Low Level Trigger
$
14.99
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Relays
1 Channel Relay Module 30A with Optocoupler Isolation 5V Supports High and Low Trigger
$
14.99
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Relays
1 Channel DC5V Solid State Relay Module AC240V 2A Low Level Trigger Relay Board Relais Module
$
12.99
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Relays
N428E02 DC 12V 2CH RS485 Modbus RTU Relay Module UART Serial Port Switch PLC Digital Output Expansion Module Board
$
21.99
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Relays
N228D02 2 Channel DC 12V 24V Relay Board RS232 Serial Port Switch Module for PLC Motor LED PTZ Industrial Control Equipment
$
21.99
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Relays
AMIOA08 DC 12V-24V 8DI-8DO Digital Input and Output Module Optocoupler Isolated RS485 MODBUS RTU Communication Board
$
45.19
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