Description
The Schneider Electric (Square D) RM17TE00 is a three-phase voltage monitoring control relay engineered to protect HVAC and industrial equipment from the damaging effects of power quality issues. Designed for demanding commercial and industrial applications, this relay continuously monitors three-phase power supplies in the 208–480V AC range, providing reliable detection and response to fault conditions before costly equipment damage can occur.
Key Features
- Rated voltage range: 208–480V AC, 3-phase
- Monitors for phase loss (phase failure), phase imbalance, and incorrect phase sequence
- Automatic restart function upon restoration of correct supply conditions
- Compact DIN rail mount design for easy panel installation
- LED status indicators for quick visual diagnostics
- Output relay contact for integration with motor starters, contactors, and control circuits
- Wide operating temperature range suitable for commercial mechanical room environments
Why Use a 3-Phase Monitoring Relay?
Three-phase motors and compressors — including those found in rooftop units, chillers, air handlers, and refrigeration systems — are highly vulnerable to phase loss and imbalance. Even a brief single-phasing event can cause a motor to draw excessive current, overheat, and fail prematurely. The RM17TE00 acts as a vigilant guardian, instantly detecting abnormal phase conditions and opening its output contact to de-energize the load before damage occurs.
Typical HVAC Applications
- Three-phase compressor protection in rooftop units and chillers
- Air handler and fan motor protection
- Pump motor monitoring in hydronic systems
- Commercial refrigeration compressor circuits
- Motor starter and contactor control panels
Product Details
- Brand: Schneider Electric (Square D)
- Model / SKU: RM17TE00
- Supply Voltage: 208–480V AC, 3-phase
- Mounting: DIN rail
- Series: Zelio Control RM17-TE
Trust Schneider Electric’s Zelio Control line for proven, field-tested three-phase protection. The RM17TE00 is a go-to solution for HVAC technicians and electrical contractors who demand reliable power quality monitoring in a compact, easy-to-install package.
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