Schneider Electric RM17TA00 Harmony Relay 3-Phase Control Relay 1CO 5A 208-480V AC

The Schneider Electric RM17TA00 is a Harmony series 3-phase control relay designed for monitoring and control applications in industrial automation systems. Rated at 5A with a 1CO output contact and a wide operating voltage range of 208–480V AC, the RM17TA00 provides reliable phase monitoring and protection for motors, control panels, and process equipment. Weighing just 0.13 kg, this compact relay integrates easily into DIN rail-mounted control panel assemblies.

Technical Specifications

Applications & Use Cases

• Motor Protection: Monitors 3-phase power supply integrity to prevent motor damage from phase loss, phase imbalance, or incorrect phase sequence.
• Industrial Automation: Used in automated manufacturing lines and process control systems requiring reliable phase supervision.
• Control Panels: Compact 0.13 kg form factor suits space-constrained DIN rail panel builds in switchboards and MCC cubicles.
• HVAC & Pump Systems: Protects 3-phase-driven compressors, pumps, and fans operating on 208–480V AC supply networks.