main logo

Modbus Rtu Relais

Die 10 besten Produkte von Dezember 2025
Letzte Aktualisierung: 8. Dezember 2025
Waveshare
Waveshare
Waveshare Industrial Modbus RTU 8-Ch Relay Module (B) with RS485 Interface, Multi Isolation Protection Circuits, 7~36V Power Supply
Kostenloser Versand
star

98

MAXIMALE QUALITÄT

AUF AMAZON ANSEHEN
Amazon.de
#1 GEWINNER

  • 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
  • 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
  • 47,99 € AUF 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
Kostenloser Versand
star

97

BESTE QUALITÄT

AUF AMAZON ANSEHEN
Amazon.de
#2

  • 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 € AUF AMAZON
diustou
diustou
Industrielles RS485-Relais mit Optoisolierung 5-32V-Versorgung ABS-Gehäuse DIN-Schienenmontage Steuerung über Modbus RTU-Protokoll (2 Relais)
Kostenloser Versand
star

94

TOP QUALITÄT

AUF AMAZON ANSEHEN
Amazon.de
#3

  • Mit SP3485 und 8bit MCU kann RS485-Signal zu realisieren, um das Relais zu steuern, mit entsprechender Geschwindigkeit Breite, um die Anweisung auszuführen, Baudrate Unterstützung 4800/9600/19200/38400, Effizienz und Stabilität ist angemessen.
  • Mit Optokoppler Isolierung, mit optischen Signalen zu übertragen elektrische Signale, um die physikalische Isolierung der Schaltung zu erreichen, ist die Gesamtstabilität des Systems höher, um sicherzustellen, dass die Umsetzung des Modells der Stabilität der Übertragung, Unterstützung für 5-32V Eingangsspannung.
  • Optimierte Relais Dienstprogramm Gerät und Schaltung, NC/COM/NO-Typ-Layout-Relais, kann 10ms Ebene der Relais schnelle kontinuierliche Reaktion 100.000-mal, AgSnO2, AgCdo(<<100ppm) Material Kontakte zu erreichen
  • Breitere Lastkreise, verkupfert und verzinnt, um die Spannungs- und Stromfestigkeit der Lastseite des Relais zu gewährleisten, typische Last: NC: 5A 277VAC; NO: 10A 250VAC, 10A 28VDC, Maximale Schaltleistung: NO 2770VA/280W; NC 1250VA.
  • Fügen Sie 120Ω und Cut-in / Cut-out Dip-Schalter, mit Power-Anzeige und jede Art von der Saug-Signal-Anzeige, bequemer zu bedienen, DIN-Schienen-Gehäuse für eine bessere Installation, verkupferte Bolzen, einfacher zu speichern.
  • 20,99 € AUF AMAZON
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
Kostenloser Versand
star

88

HOHE QUALITÄT

AUF AMAZON ANSEHEN
Amazon.de
#4

  • 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 € AUF AMAZON
Shipenophy
Shipenophy
Relaiskarte, RS485/TTL stabiles Relaismodul für Standard-Modbus RTU-Protokoll
Kostenloser Versand
star

84

SICHERE QUALITÄT

AUF AMAZON ANSEHEN
Amazon.de
#5

  • Kurze Zeit: 100.000 mal kontinuierliches Einziehen, mit Dioden-Leckageschutz, kurze Reaktionszeit
  • Onboard 1 Way 5V:10A/250V AC 10A/30V DC Relais, Eingebaute Relais Schalteranzeige.
  • Chip: Das Board ist ein ausgereifter und stabiler 8bit MCU und MAX485 Level Conversion-Chip.
  • Unterstützung: Unterstützung für Standard-Modbus RTU-Protokoll, Unterstützung für R5485/TTL USRT-Schnittstelle.
  • Schutz: unterstützung power down storage, stromversorgungsspannung DC7-24V, mit eingang anti-rückversen schutz.
  • 9,69 € AUF AMAZON
EBYTE
EBYTE
EBYTE ModBus RTU Serielles IO-Modul RS485 Schnittstelle 4DI+2DO 8 digitale Ausgänge MA01-AXCX4020 Schieneninstallation 8 ~ 28 V DC
Kostenloser Versand
star

81

GUTE QUALITÄT

AUF AMAZON ANSEHEN
Amazon.de
#6

  • MA01-AXCX4020 unterstützt die Erfassung von 4-Kanal-Sensorschalteingängen (DI), die in eine serielle Schnittstelle (RS485) umgewandelt und an eine Konfigurationssoftware oder SPS übertragen werden. Das E/A-Vernetzungsmodul mit seriellem Anschluss (auch als "Remote IO" bezeichnet) steuert 2 Relais-Schaltausgänge (DO) durch die Ausgabe von Befehlen über den seriellen Anschluss, um Remote-Erfassungs- und Steuerungsfunktionen zu realisieren. Übersetzt mit www.DeepL.com/Translator (kostenlose Version)
  • Unterstützt Modbus RTU Protokoll; Unterstützt verschiedene Konfigurationssoftware/PLC/Touch Screen; RS485 Erfassung und Steuerung IO; DC 8～28V Stromversorgung;
  • 4-Wege-Schaltereingang DI (Trockenknoten);2-Wege-Schalterausgang DO (Relais); Schaltereingang (DI) unterstützt Zählfunktion
  • Der Schalteingang (DI) unterstützt die Modi "steigende Flanke", "fallende Flanke" und "Pegelauslösung"; der Schaltausgang (DO) unterstützt die Modi "Pegel", "Impuls" und "Verfolgung";
  • Kommunikationsbaudrate 1200～115200 (Standard 9600), unterstützt benutzerdefinierte Einstellungen;Unterstützt 1～247 Slave-Stationen, 5-stelliger DIP-Schalter kann 1～31 Adresscode einstellen, mehr als 31 können per Software eingestellt werden
  • 13,49 € AUF AMAZON
Waveshare
Waveshare
Waveshare Industrial Modbus RTU 8-ch Relay Module with RS485 Interface Multi Isolation Protection Circuits Comes with an ABS Enclosure
Kostenloser Versand
star

79

GUTE QUALITÄT

AUF AMAZON ANSEHEN
Amazon.de
#7

  • 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 ADI magnetical isolation, allows signal isolation, high reliability, strong anti-interference, low power consumption.
  • Onboard TVS (Transient Voltage Suppressor), effectively suppress surge voltage and transient spike voltage in the circuit, llgthningproof & anti-electrostatic. Onboard Optocoupler isolation, prevent the relay from being interfered by high-voltage circuit.
  • 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.
  • 45,99 € AUF AMAZON
XIAOJUN
XIAOJUN
DC 24V 8 RS485 Relay Board Modbus RTU UART Control Switch DIN35 Rail Box für Automation Control
Kostenloser Versand
star

75

GUTE QUALITÄT

AUF AMAZON ANSEHEN
Amazon.de
#8

  • Betriebsspannung: DC24V (24V Version)
  • Öffnen, Schließen, Joggen, Selbstsperren, Interlock und Verzögerung sechs Arbeitsmodi
  • 8 photoelektrisch isolierte Eingangsanschlüsse (NPN ist niedriger Stufe aktiv). Die Eingangs-/Ausgangs-Verhältnis kann verbunden (Standard) und nicht über Befehle gekoppelt werden.
  • Arbeitsstrom: Standby 13MA, 1 Leitungsrelais 41MA, 2 Leiterrelais 69MA, 3 Leiterrelais 95MA, 4 Leitungsrelais 121MA, 5 Leiterrelais 149MA, 6 Leitungsrelais 175MA, 7 Relais führen 225MA
  • Unterstützt MODBUS 03 06 16 Funktionscode
  • 23,61 € AUF AMAZON
Waveshare
Waveshare
Waveshare Modbus RTU 32-Ch Relay Module, RS485 Interface, with Multiple Isolation Protection Circuits, Mainly Used for Industrial Control, Smart Home, Smart Agriculture, Breeding & Farming
Kostenloser Versand
star

70

GUTE QUALITÄT

AUF AMAZON ANSEHEN
Amazon.de
#9

  • [Onboard Multiple Isolation Protection Circuit] Multiple Protections, More Safe And Reliable
  • [Rail-Mount Case Design] Rail-Mounted ABS Protective Enclosure, Easy To Install, Safe To Use
  • [RS485 Communication] Configurable Device Address (1~255), Multi Devices Can Be Cascaded On RS485 Bus. In Case Of Many Devices Are Cascaded, Or The Communication Distance Is Quite Long, It Is Necessary To Use RS485 Repeaters
  • [Relay Connection] Contact Rating Of The Onboard Relay Up To 10A 250VAC/30VDC. Directly Controlling 220VAC Home Appliances, Or Devices Below 30VDC
  • [Applications]1. Industrial Control. Valve control, pump station control, unattended industrial control system. 2. Smart Home. Controlling appliances like air conditioner, access control, purifier, water heater, etc. 3. Smart Agriculture. Controlling door curtain motor, air blower, etc. 4. Breeding & Farming. Controlling ventilator, lighting, water supply, feeding system, etc
  • 88,99 € AUF AMAZON
Waveshare
Waveshare
Waveshare 16-Ch Ethernet Relay Module, Modbus RTU/Modbus TCP Protocol, Ethernet Communication, Support PoE, Various Isolation & Protection Circuits, Industrial Grade Rail-Mount Case
Kostenloser Versand
star

65

GUTE QUALITÄT

AUF AMAZON ANSEHEN
Amazon.de
#10

  • Dual Ethernet Ports with PoE Support:This 16-channel relay module is equipped with dual Ethernet ports, allowing for cascade communication via Ethernet ports, ensuring easy expansion and a reliable network connection. It also supports Power over Ethernet (PoE), eliminating the need for separate power cables and simplifying the overall system setup, ideal for environments with limited power outlets.
  • Modbus RTU/TCP Protocol Compatibility & MQTT Support: Supporting both Modbus RTU and Modbus TCP protocols, the module offers flexible and industry-standard communication options. It is also compatible with the MQTT protocol for relay control, and comes with a demo application for Alibaba Cloud MQTT, making it simple to integrate the device into cloud-based industrial automation systems or IoT networks.
  • Wide Power Input Range & Safety Features: The relay module supports a wide DC power input range of 7-36V, accommodating various power supply options in industrial settings. Additionally, it features onboard optocoupler isolation to protect the relays from high-voltage interference, ensuring reliable operation and preventing damage from electrical surges.
  • Enhanced Relay Protection and Control Functions:This relay module is equipped with a dedicated relay driver chip with built-in flyback diode protection, allowing for stable and strong driving performance. It also includes a flash-on, flash-off function with delay settings for opening or closing relays, offering greater flexibility for time-sensitive control applications.
  • Durable Enclosure & Easy Installation:Designed for industrial environments, the module comes in a sturdy ABS rail-mount enclosure, ensuring easy mounting and safe operation. The enclosure is optimized for rugged environments and supports quick installation. The device also includes 4 LEDs and network indicators, providing clear status updates on MCU activity and signal transmission, enabling quick troubleshooting and monitoring.
  • 79,99 € AUF AMAZON
modbus rs485 rtu relais arduino modbus rtu relais modbus relais modbus rtu modbus rs485 relais waveshare modbus relais modbus tcp relais modbus relais modul modbus relais board modbus rtu sensor