
Aoasis Afk-05 380V Phase Failure and Phase Sequence Protective Relay. Phase Failure Protection: Protects 3-phase systems from voltage changes and phase sequence failures. Overheating Prevention: Prevents damage to three-phase motors caused by phase-loss and voltage imbalance. Adjustable Unbalance Protection: Phase unbalance protection range adjustable from 5% to 25% for AFK-05 models. Fixed Voltage Protection: Includes fixed under-voltage (150VAC) and high-voltage (460VAC) protection thresholds. DIN-Rail Mounting: Designed for easy installation with screw terminals on DIN rails. Compact Design: Miniature size with a lightweight of 0.1kg for space-saving applications. OEM Service Available: Custom logo printing available for orders with good quantity. 18 Months Warranty: Comprehensive 18-month warranty coverage for mechanical defects.