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5V 12V 1-4CH Flip-Flop Bistable Self-locking Relay Module Trigger Switch Board
S$ 3.24 to S$ 10.40
MCU Relay Controller
30A 12V Water Level Automatic Controller Liquid Sensor Switch Solenoid MotorPump
S$ 6.49
12V 4 Channel Fix Delay Time Relay Timer Control Switch LED PLC Home Lamp Moto
S$ 26.01
DC 5-24V Flip-Flop Latch DPDT Relay Module Bistable Self-locking Double Switch
S$ 6.36 to S$ 6.49
DC 5-24V 2A Self-locking bistable Reverse Polarity Switch Controller Relay Board
S$ 5.06 to S$ 5.19
1 PCS DC 5V-12V Motor Reversible Controller Time adjustable Delay Relay Switch
S$ 5.19
DC 12V DIN35 Rail Box 16Ch RS485 Modbus RTU Relay Module UART Switch PLC Board
S$ 33.82 to S$ 41.62
1/2PCS 2 IN1 12 DIO Ethernet/RS485 Relay Switch Module Modbus RTU TCP/IP Network
S$ 54.63 to S$ 98.34
2xDC 12V 2A mini Bistable Self-locking Relay Module Flip-Flop Latch Switch Board
S$ 7.61 to S$ 7.62
DC5V 2 Channel Multi-function Delay Cyclic Timer Relay Control Motor Reverse LED
S$ 13.00
5 PCS 8ch RS485 to In/Out IO NPN PNP Controller Modbus RTU UART PLC Board Relay
S$ 25.18 to S$ 37.72
8ch RS485 to In/Out IO NPN PNP Controller Modbus RTU UART PLC Board Relay Module
S$ 5.19 to S$ 7.79
30A 12V Multifunction DC/AC Motor Forward & Reverse Start Stop Delay Controller
S$ 19.50
DC 12V High-Trigger Multifunction Delay Relay PLC Cycle Time Timer Switch Module
S$ 6.49
2PCS DC 5V 12V 24V 8 Ch USB COM Serial Port UART Relay Board RS232 TTL CH340
S$ 61.14 to S$ 61.78
2 IN 1 8Ch Network Ethernet RS485 Relay Modbus RTU Slave TCP/IP UDP UART Switch
S$ 34.60 to S$ 61.78
2x DC 12V 24V 8ch IO Digital Collector USB COM Serial Port UART Relay Module
S$ 11.70 to S$ 42.91
DC 12V 10A Magnetic Latching Relay Module Bistable Self-locking Flip-Flop Board
S$ 5.19
2 IN 1 8Ch Network Ethernet RS485 Relay Modbus RTU Slave TCP/IP UDP UART Switch
S$ 18.20 to S$ 32.51
DC 5-24V Flip-Flop Latch DPDT Relay Module Bistable Self-locking Double Switch
S$ 24.58 to S$ 24.71
32ch DC 12V 24V PNP NPN Input RS485 Modbus RTU PLC IO Switch Digital Collector
S$ 26.01 to S$ 32.51
AC 220V Time Delay Switch Relay Control Module for LED Lamp Light Lift Projector
S$ 10.40
8CH 12V RS232 Serial port Relay Module Switch Board for PLC Lamp LED Smart home
S$ 23.39
DC 12V DPDT Relay Cycle Timer Module Delay Time Polarity Audio Motor switching
S$ 10.40
2xDC 12V 24V 32ch PNP NPN Input RS485 Modbus RTU PLC IO Switch Digital Collector
S$ 50.73 to S$ 63.22
2xDC 12V 24V RS485 IO Board 8 Optically Isolated NPN Input & 8 Output Modbus
S$ 46.18 to S$ 61.19
8ch 5V 12V 24V RS232 IO Control Switch Board Com DB9 Serial port Relay Module
S$ 6.36 to S$ 6.49
DC 12V 24V 8DI-8AI 4-20MA 0-5V 0-10V Analog Collection RS485 Simple PLC IO
S$ 10.40 to S$ 33.82
DC/AC Motor Reversible controller Module Timing Delay Cycle Limit Relay Board
S$ 19.50
2 IN 1 RS232 & TTL232 Serial Port Relay PC USB MCU PLC UART Switch Module Board
S$ 6.49
12ch Digital IO UART RS485 Relay Module Modbus RTU DIN35 C45 Rail Box PLC PTZ
S$ 33.82 to S$ 41.62
DC 12V 8ch Cycle Delay Time Relay Timer Control Switch Power sequencer PLC Motor
S$ 39.02
High Mid Low Liquid level Detect DC 12V Water Fish tank Water tower controller
S$ 3.89 to S$ 6.49
10 PCS DC 12V 2A mini Bistable Self-locking Relay Module Flip-Flop Latch Switch
S$ 33.69
4 Buttons DC 12V Self-lock Relay PLC Cycle Module LED Display Delay Timer Switch
S$ 15.60
DC12V 4Ch Multi-function Delay Timer Control Switch LED PLC Home Lamp Motor
S$ 23.41
5V 2A DPDT Relay Board HK19F PCB Module for Motor LED stereo Quadcopter Toy car
S$ 5.19
DC 12V Car ACC Trigger Delay Power-off Switch Relay Module for Car Door Sensor
S$ 1.29 to S$ 3.24
DC 12V 2A mini Bistable Self-locking Relay Module Flip-Flop Latch Switch Board
S$ 6.36 to S$ 6.49
2xDC 12V 24V 8I8O Multifunction MOSFET Module RS485 Modbus RTU 03 06 16 Function
S$ 44.09 to S$ 56.85
8ch DC 12V DIN Rail RS485 UART Relay PLC Board Modbus RTU Remote Control Switch
S$ 19.49 to S$ 26.00
8xDC 12V Car ACC Trigger Delay Power-off Switch Relay Module for Car Door Sensor
S$ 9.75 to S$ 23.41
DC 5V 12V 24V Multifunction Latching Relay PLC Cycle Timer Delay Switch Module
S$ 5.19 to S$ 6.49
5 PCS Modbus Rtu AT Command 8ch TTL232 UART IO Output Module for Relay PLC
S$ 25.88 to S$ 26.01
110V AC Cycle Time Timer Switch Delay Relay ON OFF Repeat 1-9999s adjustable
S$ 13.00
DC 24V 30A High Power Multifunction Cycle Timer Delay Relay PLC Module 0.1s-270h
S$ 9.09
4x DC 5V 8 Ch Water Liquid Level Indicator Board Controller Sensor Switch Module
S$ 6.49 to S$ 24.58
2 in 1 DC 12V PC COM DB9 RS232 Serial Port Delay Relay UART Switch PLC Module
S$ 6.36