US Dollar (US$)
US Dollar (US$)
Euro (€)
GB Pound (£)
Canadian Dollar (CA$)
Australian Dollar (AU$)
My Account
Log In
Register
My Account
Shopping Cart
Home
all products
Contact Us
News
My Account
Log In
0 item(s)
Categories
UART 485/232/TTL
+
RS485 Modues & relays
+
Wireless RS485/RS232 series 1
Current Voltage ADC Collector
RS485 Relays
Others
Digital Collection Module
Pressure Weight Sensor
Temperature and Humidity Transmitter Detection Sensor
RS232 Modues & relays
USB programmer
others
TTL232
ESP32 Board
Power modules
+
Others
Positive negative power modules
UPS Modules
Buck power modules
Battery Charge Board
Solar Charger modules
Boost modules
Driver Board
Boost & Buck Dual Power Modules
Analog IO Module
Voltage Signal Detection Module
Expansion Board
Others
Bistable Self-locking Electronic Switch
Signal Generator
+
series 1
DTMF Relay
Wireless Antenna
Adapter Modules
Bluetooth relay
FPGA /CPLD Development Kits
+
others
Development Boards
Downloader
RS485 DO
Wiress RF FSK Zigbee ASK
+
ASK Modules
2.4G Modules
FSK Series 1
Wireless RFID
Remote controller kits
+
Fixed Code kits
Rolling code kits
AM FM
Wireless IR
Connector Wire
Motor Driver board
Arduino kits
IO Isolation Protection Board
Timer delay relay
top saler
OPMSA04 Input 3.3-5V NPN Output 4CH DC 3.3-24V 0-2kHz PWM Signal Amplifier NPN/PNP Logic Level Converter LED Driver 5A IO Current Amplifier
US$7.59
24DIC48 48CH DI NPN Digital Switch PLC IO Expansion Board 3000VDC Optical isolation Input RS485 Modbus RTU Module
US$42.99
OPMSD16 PNP Input 3.3-5V NPN Output 16CH DC 3.3-24V 5A MOS Solid State Relay Module Din Rail Mount NPN/PNP PLC IO Signal Amplifier for Motor Relay LED
US$23.99
10IOA02 24V 2CH Isolation Digital Switch 2DI-2DO PLC IO Expanding Board RS485 Relay Module Modbus RTU Code 01 05 15 02 03 06 16
US$9.99
OPMSB08 PNP Input 3.3-5V NPN Output 8CH DC 3.3-24V 0-2kHz PWM Signal Amplifier NPN/PNP Logic Level Converter LED Driver 5A IO Current Amplifier
US$13.99
10IOA02 24V 2CH Isolation Digital Switch 2DI-2DO PLC IO Expanding Board RS485 Relay Module Modbus RTU Code 01 05 15 02 03 06 16
US$10.99
New Products [more]
OP71A04 PNP Active High 10Khz DI-DO Digital Switch Optical Isolation Module Logic Level Converter for PLC RS485 IO Communication
US$2.59
OP71A04 PNP Active High 10Khz DI-DO Digital Switch Optical Isolation Module Logic Level Converter for PLC RS485 IO Communication
US$2.59
OP71A04 PNP Active High 10Khz DI-DO Digital Switch Optical Isolation Module Logic Level Converter for PLC RS485 IO Communication
US$2.59
OP71A04 12V to 12V PNP Active High 10Khz DI-DO Digital Switch Optical Isolation Module Logic Level Converter for PLC RS485 IO Communication
US$2.59
OP71A04 PNP Active High 10Khz DI-DO Digital Switch Optical Isolation Module Logic Level Converter for PLC RS485 IO Communication
US$2.59
OP71A04 PNP Active High 10Khz DI-DO Digital Switch Optical Isolation Module Logic Level Converter for PLC RS485 IO Communication
US$2.59
Home
IO Isolation Protection Board
IO Isolation Protection Board
Popular
Price
Price
Bestsellers
New
Displaying
1
to
40
(of
260
products)
1
2
3
4
5
...
[Next »]
R4SLS08 4DI 4DO DC 12V 24V Quick Wiring Connector RS485 Modbus Remote IO NPN PNP DI-DO Module 141R Spring Terminal Block for Relay Smart Home
US$4.99
R4SLS08 2DI 6DO DC 12V 24V Quick Wiring Connector RS485 Modbus Remote IO NPN PNP DI-DO Module 141R Spring Terminal Block for Relay Smart Home
US$4.99
R4SLS08 8DO DC 12V 24V Quick Wiring Connector RS485 Modbus Remote IO NPN PNP DI-DO Module 141R Spring Terminal Block for Relay Smart Home
US$4.99
R4SLS08 6DI 2DO DC 12V 24V Quick Wiring Connector RS485 Modbus Remote IO NPN PNP DI-DO Module 141R Spring Terminal Block for Relay Smart Home
US$4.99
R4SLS08 8DI DC 12V 24V Quick Wiring Connector RS485 Modbus Remote IO NPN PNP DI-DO Module 141R Spring Terminal Block for Relay Smart Home
US$4.99
IO34H02 110V 120V 220V 50-60HZ AC Time Delay Relay DIP Switch to Set Time Switch for Light Fan Small Power Water Pump Automatic Door
US$5.99
R4IOI16 8DI 8DO 16CH 5 IN 1 Modbus Rtu Digital IO Module RS485 NPN PNP DI-DO Pin Core Board Switching Input Output PLC HMI Remote IO Expanding
US$6.59
R4IOI16 4DI 12DO 16CH 5 IN 1 Modbus Rtu Digital IO Module RS485 NPN PNP DI-DO Pin Core Board Switching Input Output PLC HMI Remote IO Expanding
US$6.59
R4IOI16 16DO 16CH 5 IN 1 Modbus Rtu Digital IO Module RS485 NPN PNP DI-DO Pin Core Board Switching Input Output PLC HMI Remote IO Expanding
US$6.59
R4IOI16 16DI 16CH 5 IN 1 Modbus Rtu Digital IO Module RS485 NPN PNP DI-DO Pin Core Board Switching Input Output PLC HMI Remote IO Expanding
US$6.59
R4IOI16 12DI 4DO 16CH 5 IN 1 Modbus Rtu Digital IO Module RS485 NPN PNP DI-DO Pin Core Board Switching Input Output PLC HMI Remote IO Expanding
US$6.59
R4IOI16 16DO 16CH 5 IN 1 Modbus Rtu Digital IO Module RS485 NPN PNP DI-DO Pin Core Board Switching Input Output PLC HMI Remote IO Expanding
US$5.99
R4IOI16 4DI 12DO 16CH 5 IN 1 Modbus Rtu Digital IO Module RS485 NPN PNP DI-DO Pin Core Board Switching Input Output PLC HMI Remote IO Expanding
US$5.99
R4IOI16 8DI 8DO 16CH 5 IN 1 Modbus Rtu Digital IO Module RS485 NPN PNP DI-DO Pin Core Board Switching Input Output PLC HMI Remote IO Expanding
US$5.99
R4IOI16 12DI 4DO 16CH 5 IN 1 Modbus Rtu Digital IO Module RS485 NPN PNP DI-DO Pin Core Board Switching Input Output PLC HMI Remote IO Expanding
US$5.99
R4IOI16 16DI 16CH 5 IN 1 Modbus Rtu Digital IO Module RS485 NPN PNP DI-DO Pin Core Board Switching Input Output PLC HMI Remote IO Expanding
US$5.99
R4IOJ32 8DI 24DO Modbus Rtu Digital 5V 3.3V TTL IO RS485 2.54mm Pin Core Board
US$7.59
R4IOJ32 32DO Modbus Rtu Digital 5V 3.3V TTL IO RS485 2.54mm Pin Core Board
US$7.59
R4IOJ32 32DI Modbus Rtu Digital 5V 3.3V TTL IO RS485 2.54mm Pin Core Board
US$7.59
R4IOJ32 24DI 8DO Modbus Rtu Digital 5V 3.3V TTL IO RS485 2.54mm Pin Core Board
US$7.59
R4IOJ32 16DI 16DO Modbus Rtu Digital 5V 3.3V TTL IO RS485 2.54mm Pin Core Board
US$7.59
R4IOJ32 32DI Modbus Rtu Digital 5V 3.3V TTL IO RS485 2.54mm Pin Core Board
US$6.99
R4IOJ32 16DI 16DO Modbus Rtu Digital 5V 3.3V TTL IO RS485 2.54mm Pin Core Board
US$6.99
R4IOJ32 32DO Modbus Rtu Digital 5V 3.3V TTL IO RS485 2.54mm Pin Core Board
US$6.99
R4IOJ32 8DI 24DO Modbus Rtu Digital 5V 3.3V TTL IO RS485 2.54mm Pin Core Board
US$6.99
R4IOJ32 24DI 8DO Modbus Rtu Digital 5V 3.3V TTL IO RS485 2.54mm Pin Core Board
US$6.99
N4D3E16 Upgraded Version 16 in 16 out Multifunction RS485 Two-way Remote Control Module Modbus RTU PLC Expanding Board Smart Home
US$21.99
N4D3E16 Upgraded Version 16DI-16DO Multifunction RS485 Two-way Remote Control Module Modbus RTU PLC Expanding Board Smart Home
US$22.99
N4DVA16 0-10V Modbus 16CH Differential Voltage Collector RS485 Analog Input Module for LI-ON LI-PO NIMH Lifepo4 Battery Measurement
US$20.99
N4DVA16 0-10V Modbus 16CH Differential Voltage Collector RS485 Analog Input Module for LI-ON LI-PO NIMH Lifepo4 Battery Measurement
US$19.99
N4DVA16 0-5V Modbus 16CH Differential Voltage Collector RS485 Analog Input Module for LI-ON LI-PO NIMH Lifepo4 Battery Measurement
US$20.99
N4DVA16 0-5V Modbus 16CH Differential Voltage Collector RS485 Analog Input Module for LI-ON LI-PO NIMH Lifepo4 Battery Measurement
US$19.99
TB361 AMS117-3.3V DC 4.5-7V 5V to 3.3V Buck Setp-dowm LDO Module & IIC I2C UART Logic Level Converter for NRF24L01 CC1101CC2500 SI4432
US$0.99
N4DIM32 32CH NPN Isolated Digital Input RS485 Modbus Rtu Controller DC 12V 24V PLC Switch Quantity Acquisition Module
US$16.99
N4DIH32 32CH PNP Isolated Digital Input RS485 Modbus Rtu Controller DC 12V 24V PLC Switch Quantity Acquisition Module
US$14.99
N4DIH32 32CH PNP Isolated Digital Input RS485 Modbus Rtu Controller DC 12V 24V PLC Switch Quantity Acquisition Module
US$16.99
N4DIM32 32CH NPN Isolated Digital Input RS485 Modbus Rtu Controller DC 12V 24V PLC Switch Quantity Acquisition Module
US$14.99
DNMEB50 24V 16AI-16DI-16DO 4-20MA Current 0-5V/10V/30V Voltage Dry Wet Contact MOS RS485 Relay MEGA2560 R3 Expanding Board for Arduino PLC
US$33.99
DNMEB50 12V 16AI-16DI-16DO 4-20MA Current 0-5V/10V/30V Voltage Dry Wet Contact MOS RS485 Relay MEGA2560 R3 Expanding Board for Arduino PLC
US$32.99
DNMEB50 24V 16AI-16DI-16DO 4-20MA Current 0-5V/10V/30V Voltage Dry Wet Contact MOS RS485 Relay MEGA2560 R3 Expanding Board for Arduino PLC
US$32.99
Displaying
1
to
40
(of
260
products)
1
2
3
4
5
...
[Next »]
