[elecena] Waveshare Industrial Modbus RTU 4-ch Relay Module with RS485 Interface, 30A High Current, Onboard LED Indicators, Multi Isolatio - zmiany ceny The Industrial Modbus RTU 4-channel Relay Module features a robust RS485 interface, handling up to 30A of high current to seamlessly manage your automation needs.Equipped with onboard LED indicators for real-time status monitoring, this relay module offers precise control and visibility. Easily integrate it into existing systems using the industrial-grade rail-mount case, ensuring stability and durability.With multi-isolation protection circuits, this module safeguards your operations against electrical hazards, enhancing reliability and longevity. Designed to handle the demands of industrial applications, it ensures efficient performance day in and day out. Waveshare Industrial Modbus RTU 4-ch Relay Module with RS485 Interface, 30A High Current, Onboard LED Indicators, Multi Isolatio - 46.25 EUR https://elecena.pl/product/29541014/waveshare-industrial-modbus-rtu-4-ch-relay-module-with-rs485-interface-30a-high-current-onboard-led-indicators-multi-isolatio 2025-11-26 Waveshare Industrial Modbus RTU 4-ch Relay Module with RS485 Interface, 30A High Current, Onboard LED Indicators, Multi Isolatio - 39.50 EUR https://elecena.pl/product/29541014/waveshare-industrial-modbus-rtu-4-ch-relay-module-with-rs485-interface-30a-high-current-onboard-led-indicators-multi-isolatio 2025-12-09 Waveshare Industrial Modbus RTU 4-ch Relay Module with RS485 Interface, 30A High Current, Onboard LED Indicators, Multi Isolatio - 39.25 EUR https://elecena.pl/product/29541014/waveshare-industrial-modbus-rtu-4-ch-relay-module-with-rs485-interface-30a-high-current-onboard-led-indicators-multi-isolatio 2025-12-17 Waveshare Industrial Modbus RTU 4-ch Relay Module with RS485 Interface, 30A High Current, Onboard LED Indicators, Multi Isolatio - 42.00 EUR https://elecena.pl/product/29541014/waveshare-industrial-modbus-rtu-4-ch-relay-module-with-rs485-interface-30a-high-current-onboard-led-indicators-multi-isolatio 2025-12-20 Waveshare Industrial Modbus RTU 4-ch Relay Module with RS485 Interface, 30A High Current, Onboard LED Indicators, Multi Isolatio - 42.25 EUR https://elecena.pl/product/29541014/waveshare-industrial-modbus-rtu-4-ch-relay-module-with-rs485-interface-30a-high-current-onboard-led-indicators-multi-isolatio 2025-12-23 Waveshare Industrial Modbus RTU 4-ch Relay Module with RS485 Interface, 30A High Current, Onboard LED Indicators, Multi Isolatio - 41.75 EUR https://elecena.pl/product/29541014/waveshare-industrial-modbus-rtu-4-ch-relay-module-with-rs485-interface-30a-high-current-onboard-led-indicators-multi-isolatio 2026-02-09 Waveshare Industrial Modbus RTU 4-ch Relay Module with RS485 Interface, 30A High Current, Onboard LED Indicators, Multi Isolatio - 41.50 EUR https://elecena.pl/product/29541014/waveshare-industrial-modbus-rtu-4-ch-relay-module-with-rs485-interface-30a-high-current-onboard-led-indicators-multi-isolatio 2026-02-12 Waveshare Industrial Modbus RTU 4-ch Relay Module with RS485 Interface, 30A High Current, Onboard LED Indicators, Multi Isolatio - 41.75 EUR https://elecena.pl/product/29541014/waveshare-industrial-modbus-rtu-4-ch-relay-module-with-rs485-interface-30a-high-current-onboard-led-indicators-multi-isolatio 2026-02-17 Waveshare Industrial Modbus RTU 4-ch Relay Module with RS485 Interface, 30A High Current, Onboard LED Indicators, Multi Isolatio - 42.75 EUR https://elecena.pl/product/29541014/waveshare-industrial-modbus-rtu-4-ch-relay-module-with-rs485-interface-30a-high-current-onboard-led-indicators-multi-isolatio 2026-03-13 Waveshare Industrial Modbus RTU 4-ch Relay Module with RS485 Interface, 30A High Current, Onboard LED Indicators, Multi Isolatio - 43.00 EUR https://elecena.pl/product/29541014/waveshare-industrial-modbus-rtu-4-ch-relay-module-with-rs485-interface-30a-high-current-onboard-led-indicators-multi-isolatio 2026-03-30 Waveshare Industrial Modbus RTU 4-ch Relay Module with RS485 Interface, 30A High Current, Onboard LED Indicators, Multi Isolatio - 42.50 EUR https://elecena.pl/product/29541014/waveshare-industrial-modbus-rtu-4-ch-relay-module-with-rs485-interface-30a-high-current-onboard-led-indicators-multi-isolatio 2026-04-02 Waveshare Industrial Modbus RTU 4-ch Relay Module with RS485 Interface, 30A High Current, Onboard LED Indicators, Multi Isolatio - 47.00 EUR https://elecena.pl/product/29541014/waveshare-industrial-modbus-rtu-4-ch-relay-module-with-rs485-interface-30a-high-current-onboard-led-indicators-multi-isolatio 2026-04-08 Waveshare Industrial Modbus RTU 4-ch Relay Module with RS485 Interface, 30A High Current, Onboard LED Indicators, Multi Isolatio - 46.75 EUR https://elecena.pl/product/29541014/waveshare-industrial-modbus-rtu-4-ch-relay-module-with-rs485-interface-30a-high-current-onboard-led-indicators-multi-isolatio 2026-04-14 Waveshare Industrial Modbus RTU 4-ch Relay Module with RS485 Interface, 30A High Current, Onboard LED Indicators, Multi Isolatio - 46.25 EUR https://elecena.pl/product/29541014/waveshare-industrial-modbus-rtu-4-ch-relay-module-with-rs485-interface-30a-high-current-onboard-led-indicators-multi-isolatio 2026-04-16 Waveshare Industrial Modbus RTU 4-ch Relay Module with RS485 Interface, 30A High Current, Onboard LED Indicators, Multi Isolatio - 46.50 EUR https://elecena.pl/product/29541014/waveshare-industrial-modbus-rtu-4-ch-relay-module-with-rs485-interface-30a-high-current-onboard-led-indicators-multi-isolatio 2026-04-23