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Relay Modules/ Shields

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Newest Items First
32 Per Page
WAVE-30460, Modbus RTU 8-ch Latching Relay Module (C) with RS485 Interface, Rail-mounted Case
WAVE-30460
US$68.20
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WAVE-30459, Industrial Modbus RTU 8-ch Relay Module (E) with RS485 Interface, 30A High Current, Rail-mounted Case
WAVE-30459
US$81.85
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WAVE-30461, Industrial Modbus RTU 4-ch Relay Module with RS485 Interface, 30A High Current, Onboard LED Indicators, Industrial Grade Rail-Mount Case
WAVE-30461
US$54.55
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WAVE-30544, Dual Ethernet Ports 8-ch Relay Module (C), Modbus RTU Protocol, PoE Power Supply, Industrial Grade Rail-Mount Case
WAVE-30544
US$81.85
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WAVE-27876 8-ch Ethernet Relay Module (B) With Digital Input, Modbus RTU/Modbus TCP Protocol, PoE Port Communication, With Various Isolation And Protection Circuits
WAVE-27876
US$81.67
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WAVE-27928 30-Ch Ethernet Relay Module, Modbus RTU/Modbus TCP Protocol, PoE Port Communication, With Various Isolation And Protection Circuits
WAVE-27928
US$108.97
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RM-4-12V, 4 Channel 12V Relay Module
RM-4-12V
US$11.60
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WAVE-26756 Industrial 6-Channel ESP32-S3 WiFi Relay Module, Supports WiFi / Bluetooth / RS485 control, Onboard RS485 / Pico HAT interfaces
WAVE-26756
US$43.18
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WAVE-25739, 7~36V Industrial Modbus RTU 8-ch Relay Module (B) with RS485 Interface, Multi Isolation Protection Circuits
WAVE-25739
US$45.27
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RM-1-ESP32-5V, 1-Channel ESP32 WIFI Bluetooth-compatible BLE Relay Module AC90-250V/DC5-30V ESP32-WROOM Development Board
RM-1-ESP32-5V
US$20.70
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RM-1-ESP32-5V-USB, 1-Channel ESP32 WIFI Bluetooth-compatible BLE Relay Micro-USB Module AC90-250V/DC5-60V ESP32-WROOM Development Board
RM-1-ESP32-5V-USB
US$19.79
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RM-2-ESP32-5V, 2-Channel ESP32 WIFI Bluetooth-compatible BLE Relay Module AC90-250V/DC5-30V ESP32-WROOM Development Board
RM-2-ESP32-5V
US$22.52
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RM-4-ESP32-5V, 4-Channel ESP32 WIFI Bluetooth-compatible BLE Relay Module 220VAC/DC5-30V ESP32-WROOM Development Board
RM-4-ESP32-5V
US$31.62
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RM-8-ESP32-5V, 8-Channel ESP32 WIFI Bluetooth-compatible BLE Relay Module AC90-250V/DC5-30V ESP32-WROOM Development Board
RM-8-ESP32-5V
US$35.26
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RM-1-24V30A, 30A 24V Single Channel 24V RELAY MODULE 30AMP
RM-1-24V30A
US$6.93
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RM-1-12V30A, 30A 12V Power Relay Module With Optocoupler Isolation H/L Level Trigger for Arduino Relays
RM-1-12V30A
US$6.93
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RM-1-24V-T, Single Isolated 24V Relay High-Low Trigger Module-10A
RM-1-24V-T
US$4.50
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RM-1-24V-XH-M118, XH-M118 Relay Module 24V Isolated Sensor, 1 N.O./1 N.C., 10A- 150mm JST cable
RM-1-24V-XH-M118
US$4.32
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RM-1-12V-XH-M118, XH-M118 Relay Module 12V Isolated Sensor, 1 N.O./1 N.C., 10A- 150mm JST cable
RM-1-12V-XH-M118
US$4.32
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RM-1-5V-XH-M118, XH-M118 Relay Module 5V Isolated Sensor, 1 N.O./1 N.C., 10A- 150mm JST cable
RM-1-5V-XH-M118
US$4.32
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RM-1-3.3V-T, Single Isolated 3.3V Relay High-Low Trigger Module-10A
RM-1-3.3V-T
US$4.50
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RM-1-5V-T, Single Isolated 5V Relay High-Low Trigger Module-10A
RM-1-5V-T
US$4.50
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RM-1-12V-T, Single Isolated 12V Relay High-Low Trigger Module-10A
RM-1-12V-T
US$4.50
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RM-1-3V-I, Single Isolated 3.3V Relay Driver Controller Module-10A
RM-1-3V-I
US$4.32
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RM-16-12V Channel Relay Module, 12V with Optocoupler LM2576 Microcontrollers Interface
RM-16-12V
US$27.93
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WAVE-24964 8-ch Ethernet Relay Module, Modbus RTU/Modbus TCP Protocol, PoE port Communication, With Various Isolation And Protection Circuits
WAVE-24964
US$62.56
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WAVE-25140 Modbus RTU 32-Ch Relay Module, RS485 Interface, With Multiple Isolation Protection Circuits
WAVE-25140
US$90.77
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WAVE-24921 Modbus RTU 16-Ch Relay Module, RS485 Interface, With Multiple Isolation Protection Circuits
WAVE-24921
US$71.39
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RM-1-24V-L 1 Channel 24VDC Latching Trigger Relay Module 
RM-1-24V-L
US$8.87
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RM-1-12V-L 1 Channel 12VDC Latching Trigger Relay Module 
RM-1-12V-L
US$8.87
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GK-AMO-SSR-1 One Channel Single Solid State Relay Module for 5V Microcontrollers
GK-AMO-SSR-1
US$6.32
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GK-RMO-4C-5V geeekus 4-channel 5V Relay Module
GK-RMO-4C-5V
US$13.42
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