Level monitoring relay controls pump or alarm for liquid level in tanks using float switches.

Three-phase voltage monitoring relay for overvoltage and undervoltage protection.

Three-phase high-voltage relay monitors 183–528V AC for industrial power system protection.

Crouzet low voltage monitoring relay for 20-80V circuits on control panels.

Three-phase voltage monitoring relay protecting against over and undervoltage conditions.

Three-phase current monitoring relay that detects overcurrent and undercurrent conditions for machine protection.

Low-voltage DC monitoring relay with adjustable sensitivity for equipment and circuit protection.

Three-phase relay monitoring voltage and phase sequence for complete power protection.

Phase disturbance relay detecting abnormal three-phase power conditions for equipment protection.

Three-phase voltage and phase monitoring relay detecting asymmetry, failure and sequence errors.

Three-phase voltage relay detecting undervoltage conditions in electrical systems.

Three-phase relay detecting phase failure and incorrect phase sequence on DIN rail.

Single-phase voltage relay for low-voltage systems detecting over and undervoltage.

Three-phase current monitoring relay for balanced three-phase power system protection.

Single-phase voltage monitoring relay for general industrial AC/DC voltage protection.