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

Waveshare 30-Ch Ethernet Relay Module, Modbus RTU/Modbus TCP Protocol, PoE Port Communication, with Various Isolation and Protection Circuits, Industrial Grade Rail-Mount Case
R 4,385
Waveshare 30-Ch Ethernet Relay Module, Modbus RTU/Modbus TCP Protocol, PoE Port Communication, with Various Isolation and Protection Circuits, Industrial Grade Rail-Mount Case

Vanky Industry Banner GM-FA-10J Guard Monitoring Safety Relays New
R 11,344
Vanky Industry Banner GM-FA-10J Guard Monitoring Safety Relays New

12V 8-Channel Relay Module with Optocoupler Isolation - High/Low Level Trigger 10A 250VAC for Arduino/PLC Industrial Control
R 997
12V 8-Channel Relay Module with Optocoupler Isolation - High/Low Level Trigger 10A 250VAC for Arduino/PLC Industrial Control

NOYITO 1-Channel Self-Locking Relay Module One Button Start-Stop Bistable 10A Load for SCM Control, Household Appliances Control, Industrial Equipment Control (5V)
R 584
NOYITO 1-Channel Self-Locking Relay Module One Button Start-Stop Bistable 10A Load for SCM Control, Household Appliances Control, Industrial Equipment Control (5V)

110-240V 6 Channel RF Relay Module Board Remote Control Switch Momentary Selflocking Interlock 3 Commands 30mA x 6 2500W x 6 with Remote Controller
R 1,680
110-240V 6 Channel RF Relay Module Board Remote Control Switch Momentary Selflocking Interlock 3 Commands 30mA x 6 2500W x 6 with Remote Controller

Industrial Relays 3-phase Voltage Relay
R 6,972
Industrial Relays 3-phase Voltage Relay

LED Digital Voltage Timer Relay Module 12V 24V DC LED Display Digital Voltage Meter Test Control Relay Delay Switch Module with Case Industrial Grade PCB Board
R 1,202
LED Digital Voltage Timer Relay Module 12V 24V DC LED Display Digital Voltage Meter Test Control Relay Delay Switch Module with Case Industrial Grade PCB Board

Yunseity 8 Channel Ethernet Relay Module with RTU Protocol, PoE Port, Communicating to Isolation Circuits, for Industrial Applications
R 3,350
Yunseity 8 Channel Ethernet Relay Module with RTU Protocol, PoE Port, Communicating to Isolation Circuits, for Industrial Applications

Industrial Solid State Relay 500A Industrial SSR 500 Amp
R 8,653
Industrial Solid State Relay 500A Industrial SSR 500 Amp

FTVOGUE DC Voltage Detection Relay Monitoring Range with LED Display Upper Lower Limit Detection for Industrial Automation Power Systems
R 889
FTVOGUE DC Voltage Detection Relay Monitoring Range with LED Display Upper Lower Limit Detection for Industrial Automation Power Systems

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