

⚙️ Slim, smart, and secure phase control—because your equipment deserves the best.
The Schneider Electric Harmony Phase Control Relay is a compact, ultra-slim 3-phase supply monitor designed to detect phase failures, sequence errors, voltage imbalances, and undervoltage/overvoltage conditions in 208–480VAC systems. Featuring self-monitoring capabilities and a tamper-proof cover, it ensures reliable protection for sensitive industrial equipment in applications like pumps, lifts, and packaging, all while optimizing panel space and installation efficiency.
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