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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 4,219
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

Industrial Relays 3-phase Voltage Relay
R 6,566
Industrial Relays 3-phase Voltage Relay

TUOPUONE Modbus RTU 32-Ch Relay Module, RS485 Interface, with Multiple Isolation Protection Circuits, Industrial-Grade, Rail-Mount Case (Modbus RTU Relay 32CH)
R 2,991
TUOPUONE Modbus RTU 32-Ch Relay Module, RS485 Interface, with Multiple Isolation Protection Circuits, Industrial-Grade, Rail-Mount Case (Modbus RTU Relay 32CH)

12V 8-Channel Relay Module with Optocoupler Isolation - High/Low Level Trigger 10A 250VAC for Arduino/PLC Industrial Control
R 988
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 619
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 1,703
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

Voltage Protector, AC380V 3 Phase Protector Phase Sequence Protector Voltage Relay Under Over Voltage Device for Machine Tool Industrial Control System
R 813
Voltage Protector, AC380V 3 Phase Protector Phase Sequence Protector Voltage Relay Under Over Voltage Device for Machine Tool Industrial Control System

Estink Voltage Phase Sequence Protector 3 Phase 3 Wire Over Under Voltage Relay Protector for Industrial Equipment Safety
R 899
Estink Voltage Phase Sequence Protector 3 Phase 3 Wire Over Under Voltage Relay Protector for Industrial Equipment Safety

Industrial Solid State Relay 500A Industrial SSR 500 Amp
R 8,255
Industrial Solid State Relay 500A Industrial SSR 500 Amp

Industrial 8 Channel Relay Module for Pico Power Isolation, Optocoupler Isolation.
R 2,091
Industrial 8 Channel Relay Module for Pico Power Isolation, Optocoupler Isolation.

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