TOMZN 4 Pole 3Phase Adjustable Over And Under Voltage Protector-TOVPD3-VA
The TOMZN TOVPD3‑VA 4‑Pole 3‑Phase Adjustable Voltage Protector is a DIN‑rail mounted safety relay designed to protect three‑phase electrical systems from common power quality issues. It continuously monitors all three phases and provides adjustable over‑voltage and under‑voltage protection, helping prevent damage to motors, compressors, HVAC units, and other critical equipment. In addition to voltage protection, the device includes over‑current protection, phase sequence and phase imbalance (asymmetry) detection, and adjustable delay settings for power‑off and reconnection timing, giving you precise control over protection behavior. Built for industrial, commercial, and residential three‑phase applications, it helps maintain stable and safe power delivery to your electrical loads.











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