Voltage Monitoring Relays

High/Low Level Trigger Relay Module 1 2 4 8 Channel 5V 12V 24V Home IntteIligent Control Module with Optocoupler Isolation Output Replacement for Industrial Grade Precision Reliable Electronic Module
High/Low Level Trigger Relay Module 1 2 4 8 Channel 5V 12V 24V Home IntteIligent Control Module with Optocoupler Isolation Output Replacement for Industrial Grade Precision Reliable Electronic Module
R 1,412
5v 1 2 4 8 Channel Relay Module with Optocoupler.Output X Way for Artduino 1CH 2CH 4CH 8CH Industrial Grade Precision Reliable Electronic Module
5v 1 2 4 8 Channel Relay Module with Optocoupler.Output X Way for Artduino 1CH 2CH 4CH 8CH Industrial Grade Precision Reliable Electronic Module
R 1,613
1 2 4 8 Channel 5V 12V 24V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Artduino Industrial Grade Precision Reliable Electronic Module
1 2 4 8 Channel 5V 12V 24V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Artduino Industrial Grade Precision Reliable Electronic Module
R 1,412
AEDVHRYKK Relay 5pcs Industrial Electronic Circuit Board DIY Srsb-05 12 24 vdc-sl-a 5 V 5A 4 pin Automotive(SRSB-24VDC-SL-A)
AEDVHRYKK Relay 5pcs Industrial Electronic Circuit Board DIY Srsb-05 12 24 vdc-sl-a 5 V 5A 4 pin Automotive(SRSB-24VDC-SL-A)
R 1,528
Yechiry 5V 12V 24V Time Delay Relay Module, LCD Display Adjustable Timer 0.01s to 9999min Timer Board, Industrial Automation Control Module with Voltage Setup, Ideal for Switch Quantity
Yechiry 5V 12V 24V Time Delay Relay Module, LCD Display Adjustable Timer 0.01s to 9999min Timer Board, Industrial Automation Control Module with Voltage Setup, Ideal for Switch Quantity
R 698
5V 12V 4-Channel Relay Module with Optocoupler Relay 4 Way Module Shield AVR 51 PIC for Artduino Industrial Grade Precision Reliable Electronic Module
5V 12V 4-Channel Relay Module with Optocoupler Relay 4 Way Module Shield AVR 51 PIC for Artduino Industrial Grade Precision Reliable Electronic Module
R 1,613
4 8 Channel Relay Module 30A with Optocoupler Isolation 5V 12V 24V Supports High and Low Triger Trigger Industrial Grade Precision Reliable Electronic Module
4 8 Channel Relay Module 30A with Optocoupler Isolation 5V 12V 24V Supports High and Low Triger Trigger Industrial Grade Precision Reliable Electronic Module
R 2,215
ESP32 VViFi Wirreless Relay Module BIIuetuoth Dual Relay Module AC 90-250V Supply ESP Development Board Smairt Controller Control Industrial Grade Precision Reliable Electronic Module
ESP32 VViFi Wirreless Relay Module BIIuetuoth Dual Relay Module AC 90-250V Supply ESP Development Board Smairt Controller Control Industrial Grade Precision Reliable Electronic Module
R 2,135
Solinder DC 12V 24V 36V 48V Voltage Protection Relay No Auxiliary Power Required for DC Motor Battery Industrial Control (DC12V)
Solinder DC 12V 24V 36V 48V Voltage Protection Relay No Auxiliary Power Required for DC Motor Battery Industrial Control (DC12V)
R 1,573
GR8-116 Auxiliary Relay for Industrial Control, 1SPDT, AC/DC 12V, DIN Rail Mounted, IP40 Front Panel, 90×18×64mm
GR8-116 Auxiliary Relay for Industrial Control, 1SPDT, AC/DC 12V, DIN Rail Mounted, IP40 Front Panel, 90×18×64mm
R 742