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8ch Relay

I 10 migliori prodotti di giugno 2025
Ultimo aggiornamento: 22 giugno 2025
Waveshare
Waveshare
Waveshare 8-Ch Ethernet Relay Module (B) With Digital Input, Modbus RTU/Modbus TCP Protocol, PoE Port Communication, With Various Isolation And Protection Circuits, Industrial Grade Rail-Mount Case
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#2

  • An industrial 8-ch relay module controlled via Ethernet port, with 8-ch digital input, adopts Modbus RTU/Modbus TCP protocols, supports PoE power supply, also comes with an ABS rail-mount case. The Modbus POE ETH Relay (B) is very easy to use. Due to its fast communication, stability, reliability, and safety, it is an ideal choice for industrial control equipments and/or applications with high communication requirements.
  • Features flash-on, flash-off function, by passing argument to the command, it is possible to turn on the relay for a while and then close it automatically. Supports passive and active digital input, with bi-directional optocoupler isolation, built in debouncing algorithm. The relay supports digital input linkage control or toggle control
  • Supports DC 7~36V wide range power input and PoE power supply. Supports relay control through MQTT protocol, comes with Alibaba Cloud MQTT application demo. 4 LEDs and Network indicators for indicating the MCU status and signal transceiving status
  • Onboard Optocoupler isolation, prevent the relay from being interfered by high-voltage circuit. Adopts dedicated relay driver chip, with built-in flyback diode protection, for stronger and more stable driving ability
  • Reverse-proof circuit, prevent the circuit from being damaged accidentally by incorrect connection. High quality relay, contact rating: ≤10A 250VAC/30VDC. Rail-mounted ABS plastic enclosure, easy to install, safe to use. Applicable to Industrial Control, Smart Home, Smart Agriculture, Breeding / Farming
  • 66,99 € SU AMAZON
Waveshare
Waveshare
Waveshare Industrial Modbus RTU 8-Ch Relay Module (D) With Digital Input And RS485 Interface, Multi Isolation Protection Circuits, 7~36V Power Supply
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96

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#3

  • Configurable device address (1~255), multi devices can be cascaded on RS485 bus. Features flash-on, flash-off function, by passing argument to the command, it is possible to turn on the relay for a while and then close it automatically
  • Onboard unibody power supply isolation, provides stable isolated voltage, needs no extra power supply for the isolated terminal. Onboard unibody magnetical isolation, allows signal isolation, high reliability, strong anti-interference, low power consumption
  • Onboard resettable fuse and TVS (Transient Voltage Suppressor), effectively suppress surge voltage and transient spike voltage in the circuit, provides over-current/over-voltage proof, lightningproof & anti-electrostatic. Onboard Optocoupler isolation, prevent the relay from being interfered by high-voltage circuit
  • Adopts dedicated relay driver chip, with built-in flyback diode protection, for stronger and more stable driving ability. Supports passive and active digital input, with bi-directional optocoupler isolation, built in debouncing algorithm. The relay supports digital input linkage control or toggle control
  • Reverse-proof circuit, prevent the circuit from being damaged accidentally by incorrect connection. High quality relay, contact rating: ≤10A 250VAC/30VDC. Rail-mounted ABS plastic enclosure, easy to install, safe to use. Multiple LEDs for indicating the MCU status and signal transceiving status
  • 52,99 € SU AMAZON
Waveshare
Waveshare
Waveshare Dual Ethernet Ports 8-Ch Relay Module (C), Modbus RTU Protocol, PoE Power Supply, With Various Isolation And Protection Circuits, Industrial Grade Rail-Mount Case
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88

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#5

  • An 8-ch relay module designed for industrial environments, featuring dual Ethernet interfaces control and 8 digital inputs. It adopts Modbus RTU / Modbus TCP protocols, supports Ethernet port cascade and PoE power supply, also comes with an ABS rail-mount case. Features flash-on, flash-off function, by passing arguments to the command, it is possible to turn on the relay for a while and then close it automatically
  • The Modbus POE ETH Relay (C) is very easy to use. Due to its fast communication, stability, reliability, and safety, it is an ideal choice for industrial control equipments and/or applications with high communication requirements. Dual Ethernet ports design, supports Ethernet port communication cascade and PoE power supply cascade
  • Supports DC 7~36V wide range power input and PoE power supply. Supports relay control through MQTT protocol, comes with Alibaba Cloud MQTT application demo. Onboard Optocoupler isolation, prevent the relay from being interfered by high-voltage circuit
  • Adopts dedicated relay driver chip, with built-in flyback diode protection, for stronger and more stable driving ability. Supports passive and active digital input, with bi-directional optocoupler isolation, built in debouncing algorithm. The relay supports digital input linkage control or toggle control
  • Reverse-proof circuit, prevent the circuit from being damaged accidentally by incorrect connection. High quality relay, contact rating: ≤10A 250VAC/30VDC. Rail-mounted ABS plastic enclosure, easy to install, safe to use. 4 LEDs and Network indicators for indicating the MCU status and signal transceiving status
  • 71,99 € SU AMAZON
Waveshare
Waveshare
Waveshare Modbus RTU 8-Ch Latching Relay Module (C) With RS485 Interface, Multi Isolation Protection Circuits, Rail-Mounted Case
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78

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#7

  • An industrial 8-ch latching relay module controlled via RS485 bus, which can keep the relay state unchanged after power loss. It adopts Modbus RTU protocol, featuring embedded protection circuits such as power isolation, magnetical isolation, and TVS diode, etc. It also comes with an ABS enclosure. Easy to use. Due to its fast communication, stability, reliability, and safety, it is ideal for industrial control equipments and applications with high communication requirement.
  • Adopts latching relay, the state of the relay can remain unchanged after power loss. Configurable device address (1~255), multi devices can be cascaded on RS485 bus. Features flash-on, flash-off function, by passing arguments to the command, it is possible to turn on the relay for a while and then close it automatically
  • Onboard unibody power supply isolation, provides stable isolated voltage, needs no extra power supply for the isolated terminal. Onboard unibody magnetical isolation, allows signal isolation, high reliability, strong anti-interference, low power consumption. Adopts dedicated latching relay driver chip for stronger and more stable driving ability
  • Onboard resettable fuse and TVS (Transient Voltage Suppressor), effectively suppress surge voltage and transient spike voltage in the circuit, provides over-current/over-voltage proof, lightningproof & anti-electrostatic
  • Reverse-proof circuit, prevent the circuit from being damaged accidentally by incorrect connection. High quality relay, contact rating: ≤10A 250VAC/30VDC. Rail-mounted ABS plastic enclosure, easy to install, safe to use. 3 LEDs for indicating the MCU status and signal transceiving status
  • 54,99 € SU AMAZON
Waveshare
Waveshare
Waveshare ESP32-S3-POE-ETH-8DI-8RO(PoE Network Port), Industrial 8-Ch ESP32-S3 WiFi Relay Module, Isolated RS485 Interface, Xtensa 32-Bit LX7 2Core Processor, Up To 240MHz, Multi Isolation Protection
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70

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#9

  • PoE network port version, with built-in PoE module for PoE capability (compliant with IEEE 802.3af standard). Based on ESP32-S3 microcontroller with Xtensa 32-bit LX7 dual-core processor, capable of running at 240 MHz. Integrated 2.4GHz Wi-Fi and BT LE dual-mode wireless communication, with superior RF performance
  • High quality relay, contact rating: ≤10A 250V AC / 30V DC. Supports passive and active digital input, with bi-directional optocoupler isolation. The relay supports digital input linkage control
  • Onboard isolated RS485 interface, for connecting to various RS485 Modbus industrial modules or sensors. Onboard pin header, allowing access to other devices. Onboard USB Type-C port for power supply, firmware downloading and debugging
  • Onboard power supply screw terminal, supports 7~36V wide voltage input, suitable for industrial applications. Onboard RTC chip, supports scheduled tasks. Onboard W5500 Ethernet chip for extending 10/100Mbps network port through SPI interface. Onboard optocoupler isolation to prevent interference from external high-voltage circuit connected to the relay. Onboard digital isolation to prevent interference from external signal
  • Onboard unibody power supply isolation, providing stable isolated voltage, no extra power supply required for the isolated terminal. Onboard TF card slot for external TF card storage of images and files. Built-in buzzer, RGB LED, power supply and RS485 TX/RX indicators for monitoring the operating status of the devices. Rail-mounted ABS case, easy to install, safe to use
  • 69,99 € SU AMAZON