Monitoring Relays
781–840 of 875 products — Browse specifications below, then submit an RFQ
Frequency monitoring relay detecting power supply frequency 50/60Hz on DIN rail.
Insulation monitoring relay detecting electrical insulation faults on DIN rail mount.
Three-phase voltage monitoring relay for 400V systems on DIN rail.
Three-phase relay monitoring voltage and phase loss/sequence on DIN rail.
Temperature monitoring relay detecting overtemperature up to 1800°C on DIN rail.
Single-phase voltage monitoring relay for 200V, 300V, 600V systems on DIN rail.
Single-phase voltage monitoring relay for wide range 10-600V ac/dc on DIN rail.
Current monitoring relay detecting over/under current conditions on DIN rail.
Single-phase voltage monitoring relay for 200V, 300V, 600V on DIN rail.
Temperature monitoring relay for overtemperature protection on DIN rail.
Current monitoring relay for low current detection 2-500mA on DIN rail.
Single-phase voltage monitoring relay detects over and undervoltage conditions on DIN rail.
Single-phase current monitoring relay protects circuits from overcurrent and undercurrent faults.
Single-phase voltage relay monitors three voltage ranges from 10V to 150V for equipment protection.
Single-phase high-voltage monitoring relay protects equipment at 200V, 300V, or 600V.
Three-phase relay monitors phase loss, sequence, and motor temperature on one compact device.
Dual-function relay monitors current and phase for single or three-phase applications.
Frequency monitoring relay detects abnormal grid frequency between 40–70 Hz for power protection.
Level monitoring relay controls pump or alarm for liquid level in tanks using float switches.
Single-phase current relay detects low current conditions between 0.1A and 15A with adjustable delay.
Three-phase relay detects phase loss and phase sequence faults in electrical installations.
Self-powered single-phase voltage relay monitors up to 400V for overvoltage and undervoltage.
Thermistor-based motor protection relay detects motor winding overtemperature automatically.
Voltage relay monitors three voltage ranges from 20V to 600V AC/DC with time delay adjustment.
Three-phase relay detects phase loss and wrong phase sequence in three-phase distribution.
Current relay protects circuits from overcurrent faults in the 2–20A range on DIN rail.
Frequency monitoring relay detects grid frequency abnormalities between 40–70 Hz for system protection.
Level monitoring relay with IP20 protection controls tank or vessel levels via float switch.
Three-phase high-voltage relay monitors 183–528V AC for industrial power system protection.
Compact current monitoring relay for DIN rail protects circuits with fast response time.
Low-current monitoring relay detects milliamp-level overcurrent and undercurrent conditions reliably.
Omron relay monitors voltage levels and triggers alarms or protection actions when out of range.
Siemens relay protects motors from overheating using temperature sensors on control panels.
Single phase current monitoring relay detects overcurrent and undercurrent conditions for electrical systems.
Schneider Electric current monitoring relay for overcurrent and undercurrent protection in control panels.
Temperature monitoring relay for single-phase circuits with dual switching contacts.
Temperature monitoring relay for single-phase industrial control systems and equipment protection.
Three-phase voltage monitoring relay protecting equipment from power supply faults.
Single-phase current monitoring relay detects overcurrent conditions and triggers protective actions.
Current monitoring relay for detecting electrical current faults on DIN rail.
Three-phase voltage monitoring relay for electrical distribution and machine protection systems.
Double-pole relay for monitoring and controlling electrical signals in industrial systems.
Three-phase voltage monitoring relay for industrial electrical systems protection and control.
Siemens relay monitors motor temperature to prevent overheating damage in industrial equipment.
Omron temperature monitoring relay for industrial overtemperature protection and control systems.
Temperature monitoring relay for industrial equipment overheating protection and control systems.
Siemens single-phase voltage monitoring relay for protecting equipment from voltage fluctuations.
Single phase current monitoring relay for overcurrent detection and circuit protection on DIN rail systems.
Single-phase current monitoring relay for detecting overcurrent and undercurrent conditions in electrical circuits.
Schneider Electric relay monitors current and voltage on single-phase circuits for industrial control panels.
Single-phase voltage monitoring relay for DIN rail installation with adjustable time delay protection.
Three-phase monitoring relay detects phase loss and sequence faults on industrial power systems.
Three-phase monitoring relay for 230V and 400V systems detecting phase faults and imbalance.
Motor standstill detector for single and three-phase motors with dual changeover contacts.
Compact overcurrent monitoring relay for 1 to 5 ampere range protection on machinery.
Temperature monitoring relay protecting equipment from overheating up to 999 degrees.
Thermistor-based motor protection relay monitoring winding temperature for safe operation.
Compact thermal monitoring relay for overheat detection up to 999 degrees on equipment.
Phase and voltage monitoring relay protecting against phase loss and sequence faults.
Advanced three-phase relay detecting phase failure, imbalance and wrong sequence conditions.
Buy Monitoring Relays — Industrial Supply & Procurement
Browse 875 Monitoring Relays products available for procurement through AgaCanGroup. Top brands include Siemens, ABB, Omron, Schneider Electric, Dold. All products are available via RFQ — submit your specification and ACG will respond within 24 hours with pricing, availability and delivery options. ACG serves procurement teams across Africa, the Middle East and South Asia.