ANLY 3 Phase Sequence Voltage Relay APR-3S, 208~440VThe ANLY 3 Phase Sequence Voltage Relay APR 3S monitors and protects three phase electrical systems operating between 208V and 440V. This relay detects phase sequence errors, voltage imbalances, and phase losscritical faults that can damage motors and equipment. Ideal for industrial automation, pump stations, compressors, and machinery requiring phase protection. The APR 3S provides reliable fault detection with adjustable sensitivity settings,