⚡ RM22 3‑Phase Voltage Relay

The RM22 3‑phase voltage relay from Schneider Electric is a compact, DIN‑rail‑mounted device designed to monitor and protect 3‑phase electrical systems. It supervises critical phase conditions such as phase loss, phase reversal, phase imbalance, and over/undervoltage, ensuring motors and equipment operate safely.

🔧 Key Features

• 3‑phase voltage monitoring — Detects phase loss, reversal, imbalance, and voltage faults.
• Adjustable thresholds — Set trip levels and delays to match application needs.
• Relay output — Activates alarms, shutdowns, or control actions when faults occur.
• LED indicators — Provide quick visual status for power, faults, and relay state.
• Compact DIN‑rail design — Slim housing for easy installation in control panels.
• Wide supply voltage range — Compatible with multiple system voltages, depending on model.

🏭 Typical Applications

• Motor protection — Prevents damage from phase faults and voltage issues.
• Pumps, compressors, HVAC — Ensures stable operation under varying supply conditions.
• Power distribution panels — Provide early detection of supply anomalies.
• Industrial automation — Protects sensitive control equipment from voltage disturbances.

⭐ One‑line summary

The RM22 3‑phase voltage relay provides reliable protection against phase and voltage faults, ensuring safe operation of motors and 3‑phase electrical systems.