Schneider Electric RM17TG20 Harmony 3-Phase Control Relay 5A 208-480V AC

The Schneider Electric RM17TG20 is a Harmony series 3-phase control relay rated at 5A and designed for 208–480V AC supply voltages, making it a versatile solution for monitoring and protecting three-phase electrical systems in industrial automation environments. The RM17TG20 provides reliable phase sequence and phase loss detection, helping safeguard motors and other connected equipment in control panels and automation installations. Weighing just 0.13 kg, its compact form factor supports easy DIN rail integration.

Technical Specifications

Applications & Use Cases

• Motor Protection: Monitors three-phase supply integrity to protect motors from phase loss, phase imbalance, and incorrect phase sequence.
• Industrial Automation: Integrates into control panels and automation systems requiring reliable three-phase supply monitoring.
• Control Panel Integration: Compact DIN rail design suits both OEM machine builders and panel integrators working with 208–480V AC networks.
• Pump & Compressor Systems: Protects rotating machinery from damaging single-phase conditions in industrial plant environments.