Schneider Electric Monitoring Relays

Schneider Electric monitoring relays are protection relays used to monitor electrical power conditions, and when an irregularity is detected, they trip or send signals prior to any damage. They are employed in a variety of industrial automation and machinery, including control panels, MCCs (Motor Control Centers), and OEM machinery, which demand reliable voltage, current, phase, and frequency monitoring. Schneider Electric monitoring relays are known worldwide for their precise operation, long operating life, and compatibility with the latest automation technology.

Schneider Electric voltage and phase monitoring relays monitor for over and undervoltages, loss of phase, incorrect phase sequence, and phase unbalance in both single- and three-phase systems. Typical applications for voltage and phase monitors include motor protection circuits, pump and compressor control panels, conveyor belts, HVAC, and power distribution panels. These monitors help prevent overheating, electrical failures, and downtime by tripping during electrical faults.

Schneider Electric current monitoring relays monitor current levels in order to detect overloads, underloads, dry-run, and stalled motors. Current monitors are often used in pumps, fans, conveyor belts, and rotating equipment applications to detect unusual operating conditions for predictive maintenance and increased system reliability. In addition to basic voltage and current monitors, Schneider Electric also offers monitoring relays for frequency monitoring as well as more specific power monitoring relays.

Found 69 items
Normally In Stock
Schneider Electric RM22TR33 three-Phase Voltage control relay 380…480Vac, 2 C/O
Free U.S Ground shipping
$177.54
$147.95
Normally In Stock
Schneider Electric RM22UA23MR Overvoltage control relay 15V…500Vac/dc, 2 C/O
Free U.S Ground shipping
$228.40
$190.33
Normally In Stock
Schneider Electric RM35HZ21FM frequency control relay RM35-HZ - range 40..70 Hz
Free U.S Ground shipping
$314.21
$261.84
Normally In Stock
Schneider Electric 70-781D5R-1A General Purpose Relay - SPDT, 16 Amp
Free U.S Ground shipping
$10.14
$8.45
Normally In Stock
Schneider Electric RM22TG20 three-Phase control relay 183…528Vac, 2 C/O
Free U.S Ground shipping
$105.91
$88.26
Normally In Stock
Schneider Electric RM35JA32MT Current control relay 0.15A…15A, 2 C/O
Free U.S Ground shipping
$188.10
$156.75
Normally In Stock
Schneider Electric RM17UAS15 voltage control relay RM17-U - range 65..260 V AC
Free U.S Ground shipping
$195.34
$162.78
Normally In Stock
Schneider Electric RM22UA21MR Overvoltage control relay 50mV…5Vac/dc, 2 C/O
Free U.S Ground shipping
$163.15
$135.96
Normally In Stock
Schneider Electric RM17UAS16 voltage control relay RM17-U - range 20..80 V AC
Free U.S Ground shipping
$195.34
$162.78
Normally In Stock
Schneider Electric RM22UA22MR Overvoltage control relay 1V…100Vac/dc, 2 C/O
Free U.S Ground shipping
$164.14
$136.78
Normally In Stock
Schneider Electric RM35JA32MR Current control relay 0.15A…15A, 2 C/O
Free U.S Ground shipping
$188.10
$156.75
Normally In Stock
Schneider Electric RM22JA31MR Current control relay 4mA…1A, 2 C/O
Free U.S Ground shipping
$147.73
$123.11
Normally In Stock
Schneider Electric RM22JA21MR Overcurrent control relay 4mA…1A, 2 C/O
Free U.S Ground shipping
$147.73
$123.11
Normally In Stock
Schneider Electric RM22TR31 three-Phase Voltage control relay 200…240Vac, 2 C/O
Free U.S Ground shipping
$202.01
$168.34
Normally In Stock
Schneider Electric 831VS-120A Voltage monitoring relay - SPDT, 15 Amp
Free U.S Ground shipping
$151.60
$126.33
Normally In Stock
Schneider Electric 841CS8-UNI Current Monitoring Relay - SPDT, 15 Amp
Free U.S Ground shipping
$146.94
$122.45

FAQs

What are Schneider Electric monitoring relays used for in industrial applications?

Schneider Electric monitoring relays are used in industrial applications to continuously monitor voltage, current, phase, and frequency conditions and protect electrical equipment from abnormal operating conditions. They are commonly used in control panels, motor control centers, pumps, compressors, conveyors, HVAC systems, and industrial power distribution to prevent equipment damage and costly downtime.

What types of monitoring relays does Schneider Electric offer?

Schneider Electric offers voltage monitoring relays, phase monitoring relays, current monitoring relays, and frequency monitoring relays for single-phase and three-phase power systems. These monitoring relays are designed for motor protection, electrical fault detection, and power quality monitoring in industrial automation systems.

How do Schneider Electric voltage and phase monitoring relays protect motors and equipment?

Schneider Electric voltage and phase monitoring relays protect motors and equipment by detecting overvoltage, undervoltage, phase loss, incorrect phase sequence, and phase imbalance. When abnormal electrical conditions are detected, the relay output changes state to shut down the system or trigger an alarm, helping prevent motor overheating and electrical failure.

What are Schneider Electric current monitoring relays used for?

Schneider Electric current monitoring relays are used to detect overload, underload, dry-run, and stalled motor conditions in pumps, fans, conveyors, and rotating equipment. They provide early fault detection that supports predictive maintenance and reduces unplanned downtime.

Are Schneider Electric monitoring relays suitable for control panels and motor protection circuits?

Yes, Schneider Electric monitoring relays are designed specifically for control panels and motor protection circuits. They feature adjustable setpoints, DIN-rail mounting, industrial voltage compatibility, and global certifications, making them ideal for OEM equipment and industrial automation applications.

Why choose Schneider Electric monitoring relays over other industrial brands?

Schneider Electric monitoring relays are chosen for their high accuracy, robust construction, global compliance, and proven reliability in demanding industrial environments. Engineers and panel builders trust Schneider Electric for consistent performance and dependable electrical protection.