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Industrial & Scientific > Industrial Electrical > Controls & Indicators > Relays > Voltage Monitoring Relays

2PCS 2-Channel 12V Relay Module with Optocoupler Isolation – High/Low Level Trigger Control for Arduino, Raspberry Pi, PLC – Industrial Automation, Smart Home DIY (Supports AC/DC Loads)
R 864
2PCS 2-Channel 12V Relay Module with Optocoupler Isolation – High/Low Level Trigger Control for Arduino, Raspberry Pi, PLC – Industrial Automation, Smart Home DIY (Supports AC/DC Loads)

TUOPUONE Industrial 6-Channel RP2350 Relay Module, Onboard RS485 / Pico HAT interfaces, with Multiple Isolation Protection Circuits, Industrial-Grade, Rail-Mount Case with Wire-Less
R 2,287
TUOPUONE Industrial 6-Channel RP2350 Relay Module, Onboard RS485 / Pico HAT interfaces, with Multiple Isolation Protection Circuits, Industrial-Grade, Rail-Mount Case with Wire-Less

Over Under Voltage Protection Relay DC 12V 24V 36V 48V Overvoltage Undervoltage Protector Rail Mount 2NO 2NC Contacts Adjustable Delay Time Industrial Grade(DC48V)
R 1,107
Over Under Voltage Protection Relay DC 12V 24V 36V 48V Overvoltage Undervoltage Protector Rail Mount 2NO 2NC Contacts Adjustable Delay Time Industrial Grade(DC48V)

ArtHoval DC Voltage Protector Relay Adjustable Overvoltage Undervoltage Monitor 6A Contact Capacity 35mm DIN Rail Mount for Industrial Control Systems(DC12V)
R 1,079
ArtHoval DC Voltage Protector Relay Adjustable Overvoltage Undervoltage Monitor 6A Contact Capacity 35mm DIN Rail Mount for Industrial Control Systems(DC12V)

Voltage Relay Over Under Protector for Industrial Equipment Monitor 415VAC
R 1,407
Voltage Relay Over Under Protector for Industrial Equipment Monitor 415VAC

Aramox 8 Channel Relay Module, Optocoupler Isolation, High Low Actuator, 5V, 12V, 24V Power for Industrial Automation (24V)
R 727
Aramox 8 Channel Relay Module, Optocoupler Isolation, High Low Actuator, 5V, 12V, 24V Power for Industrial Automation (24V)

ZIZEV 6 Channel RP2350 Relay Module, Industrial Double Core ARM Cortex M33 RISC V 150MHz, with Opto Isolation and RGB LEDs, for Pi Pico Expansion Boards and Industrial Applications
R 2,320
ZIZEV 6 Channel RP2350 Relay Module, Industrial Double Core ARM Cortex M33 RISC V 150MHz, with Opto Isolation and RGB LEDs, for Pi Pico Expansion Boards and Industrial Applications

Vanky Industry 2pcs WEIDMULLER PWR276024L 1219550000 Relay Module 2 Contacts New
R 1,239
Vanky Industry 2pcs WEIDMULLER PWR276024L 1219550000 Relay Module 2 Contacts New

Yosoo 3 Phase Voltage Monitor Relay with Voltage Protection, Phase Loss and Reverse Detection for Industrial Power Systems 440V AC
R 1,382
Yosoo 3 Phase Voltage Monitor Relay with Voltage Protection, Phase Loss and Reverse Detection for Industrial Power Systems 440V AC

Aramox 8 Channel Relay Module, Optocoupler Isolation, High Low Actuator, 5V, 12V, 24V Power for Industrial Automation (5V)
R 713
Aramox 8 Channel Relay Module, Optocoupler Isolation, High Low Actuator, 5V, 12V, 24V Power for Industrial Automation (5V)

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