

zł111.90 tax excl.
Modbus RTU Relay 4CH is a reliable industrial-grade relay module supporting RS485 communication with the Modbus RTU protocol. With the ability to handle high currents and a wide power supply voltage range, it is well-suited for lighting control systems, industrial automation, HVAC installations, and remote monitoring applications. Built-in protection circuits and DIN rail mounting enhance safety and facilitate integration into control cabinets.
Industrial relay module with four channels, designed for RS485 communication using the Modbus RTU protocol. It supports high-current relay control (up to 30 A), and thanks to numerous built-in protection circuits – such as galvanic isolation, resettable fuse, TVS diode, and reverse polarity protection – it ensures high reliability, noise immunity, and operational safety in industrial environments. A configurable device address and support for various baud rates allow integration with a wide range of control systems.
Manufacturer BTC Korporacja sp. z o. o. Lwowska 5 05-120 Legionowo Poland sprzedaz@kamami.pl 22 767 36 20
Responsible person BTC Korporacja sp. z o. o. Lwowska 5 05-120 Legionowo Poland sprzedaz@kamami.pl 22 767 36 20
RS232 RS485 CAN Board is a complete solution for industrial applications with Raspberry Pi, enabling simultaneous operation of multiple communication interfaces with full isolation and protection. Designed for mounting in control cabinets and integration with existing HAT and PCIe systems, it is ideal for automation, monitoring, and control system projects based on Raspberry Pi.
No product available!
Converter dedicated to industrial applications. It provides communication between the USB interface and the RS232 and RS485 serial standard
Isolated USB converter - RS232/485/TTL for industrial applications. It provides easy communication between the USB interface and the RS232, RS485 and TTL standards. Waveshare USB TO RS232/485/TTL
Converter dedicated to industrial applications. It provides communication between the USB interface and the RS485 serial standard
No product available!
USB-RS485 converter for industrial applications. It provides communication between the USB interface and the RS485 serial standard. Waveshare USB TO RS485
USB - RS485/RS422/RS232 converter designed to convert USB signal to serial signal. It is used to connect devices with USB interface to RS485, RS422 or RS232 network. It uses ADI (Analog Devices iCoupler) galvanic isolation technology. EVC8013B
RS232/RS485 to WiFi and Ethernet converter that provides easy communication between RS232 or RS485 interface and WiFi wireless network and wired LAN network. Supports the Modbus RTU protocol. USR-W630
4-channel RS485 to Ethernet converter designed for industrial environments. Connects serial server, Modbus gateway, MQTT gateway, RS485 to JSON. It has four RS485 ports and one Ethernet port with PoE function. Waveshare 4-CH RS485 TO POE ETH (B)
Converter with RS232 and RS485 industrial interface and LoRa wireless communication. It allows direct data transmission without the need to support an additional protocol. USR-LG206-H-P
Industrial adapter with CH344L chip, which offers isolated conversion from USB to 4-channel RS485. With built-in power isolation and protection against overvoltage and overload, the converter provides high reliability and immunity to interference. The metal housing allows for wall or DIN rail mounting, and compatibility with various operating systems makes it a versatile tool in industrial environments. Waveshare USB TO 4CH RS485 (B)
Converter that provides easy communication between the RS485 and RJ45 Ethernet interface. Configurable via web page or AT commands. USR-TCP232-304
USB TO 8CH RS485 is a reliable and secure tool for expanding industrial RS485 networks. Thanks to galvanic isolation, robust protections, and support for multiple operating systems, it is used in industrial automation, control systems, and monitoring. An ideal solution for demanding environments where stability and hardware protection are crucial.
No product available!
A converter that ensures easy communication between the RS232/RS485/RS422 interface and RJ45 Ethernet. It supports popular network protocols, including IP, TCP, UDP, DHCP, DNS, HTTP, ARP, ICMP, Websocket and HTTP client, as well as Modbus RTU and Modbus TCP protocols. USR-N540
Modbus RTU Relay (E) is a reliable relay module with an RS485 interface for use in industrial automation systems, remote control, HVAC, lighting, and energy management systems. It supports control of up to 8 relays rated at 30 A with full galvanic isolation and addressable function, enabling easy integration into complex serial communication installations.
No product available!
USB - RS485 converter designed to convert USB signal to serial signal. It is used to connect devices with USB interface to RS485 network. It uses the galvanic isolation technology of ADI (Analog Devices iCoupler). EVC8001
Industrial converter that provides easy communication between the RS485 interface and RJ45 Ethernet or WiFi wireless network. Mounted on an industrial DIN rail. USR-DR404
Modbus RTU Relay 4CH is a reliable industrial-grade relay module supporting RS485 communication with the Modbus RTU protocol. With the ability to handle high currents and a wide power supply voltage range, it is well-suited for lighting control systems, industrial automation, HVAC installations, and remote monitoring applications. Built-in protection circuits and DIN rail mounting enhance safety and facilitate integration into control cabinets.