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3pcs DR21A01 DC 12V DPDT Relay Module Polarity Reversal Switch Board
TKS-M8 4-40V DC Motor Speed Forward and Reverse Controller with Shell 20A Relay P0 Optocoupler Isolation Anti-jamming
TK1305A 12V DC Multifunctional Time Delay Relay Module with Optocoupler Isolation
TK-RD09-200S 12V DC 0-200S Adjustable 30A Time Delay Relay Module High Precision Monostable
JK11-5V 100S/15min/30min Delay Adjustable Infinite Loop Single-time Multi-function Relay Module Delay Circuit Module
RD21F Delay Relay Module Power for Delay Off Fan Module AC 100V-220V Time 0.2S-300min Adjustable Delay
QF1021-A-10M 0-10Min Adjustable 220V Time Delay Relay Module Timer Delay Switch Timed Off with Overcharge Protection
QF1022-A-100S 220V AC Power-on Delay 0-100S Adjuatable Timer Switch Automatic Disconnect Relay Module Dry Contact Output
QF-RD21 5V Power-off Delay Disconnect Relay Module Timer Delay Switch Module
JK11S-100S-5V 10A 0-100S Adjustable ON-OFFf Delay Module Timer Cycle Switch Infinite Loop Relay Module
QF1023-A-10S Timing Relay Delay Switch Relay Delay Timer Switch Timing Relay 10S Adjustable
QFRD-72 ON/OFF Relay Module Infinite Cycle Time Adjustable Timer Relay
JK01-30A 12V 0-60Min Trigger Delay Optocoupler Isolation Multi-function Relay Module 30A Timer Relay
JK02B 12V DC Delay Relay Module 0-200S Adjustable Delayed Closure Timer Delay 10A NE555
JK03 220V AC Time Delay Relay Control Module with Trigger Delay 5min Adjustable NE555 10A
JK13-TN Countdown Relay Module 1-99S with Trigger Delay and Display 220V AC
JK11-PB Time Delay Relay Module 0-100S Adjustable Delay 0.5S Open for Computer Automatic Start
JK-02 5V 0-200S Power-on On Delay Automatically Disconnects Timer Relay Module NE555
YYC-2S 5V 1 Channel Relay Module Cycle Trigger Delay Power-off Delay Timing Circuit Timer Switch with Display
Trigger F5305S PMOS Switch Module FET MOS Field Effect Transistor 3V 5V 12V 24V 36V for Motor LED Light Bulb Strip Pump
5V 2 Channel Button Self-locking Interlock Three-selection One Relay Module High and Low Level Trigger with Sw
YX850 Power Failure Automatic Switching Standby Battery Lithium Battery Module 5V-48V Emergency Converter
2 Channel Multi-function Relay Module Delay Self-lock CycleTiming Timer Relay 5V/12V/21V
DC 5V 12V 24V 2 Channel 30A High And Low Level Trigger Relay Module PLC Automatic Control Module with Guide Rail for Smart Home
12V Photoresistor Relay Module Light Detection Photosensitive Sensor Switch Board
24V Trigger Time Delay Relay Module with LED Digital Display 0-999s 0-999min 0-999H Work-delay/Delay-work
5V Trigger Time Delay Relay Module with LED Digital Display 0-999s 0-999min 0-999H Work-delay/Delay-work
Timer Switch Controller Board 10S-24H Adjustable Delay Relay Module For Delay Switch/Timer/Timing Lamp
12V Trigger Time Delay Relay Module with LED Digital Display 0-999s 0-999min 0-999H Work-delay/Delay-work
Speaker Power Amplifier Board Dual 15A Relay Protector Boot Delay and DC Detection Protection Module