GE 469-P1-HI-A20-E
GE 469-P1-HI-A20-E - Image 2

GE 469-P1-HI-A20-E

Product Overview: The GE 469-P1-HI-A20-E is a highly advanced motor management relay belonging to the GE Multilin 469 series. It is specifically engineered to protect, monitor, and control medium to large-sized electric motors. This model features an optional conformal coating, providing enhanced protection against dust, moisture, and high temperatures, making it ideal for harsh industrial environments.

Request Quote
Category: SKU: GE 469-P1-HI-A20-E

Description

GE 469-P1-HI-A20-E Technical Specifications:

  • Control Power Supply: High range (HI) supporting 90 to 300 VDC or 70 to 265 VAC at 48-62 Hz.
  • CT Compatibility: “P1” designation indicates compatibility with 1 A secondary phase Current Transformers (CTs).
  • Communication: RS232 port for direct connection to a laptop running EnerVista 469 software.
  • Display: Expanded 40-character alphanumeric LCD screen.
  • Inputs/Outputs: Redesigned keypad for setpoint editing and multiple LED status indicators.

Functional Features:

  • Motor Health Monitoring: Continuously evaluates motor health, providing early detection of rotor issues and configurable alarms to reduce troubleshooting time.
  • Comprehensive Protection: Offers protection against overcurrent, undercurrent, voltage unbalance, phase loss, and thermal overload.
  • Self-Assessment: Capable of self-evaluation to ensure the relay itself is functioning correctly.
  • Software Integration: Seamlessly integrates with EnerVista 469 software for advanced configuration, data trending, and event retrieval.

Application Scenarios:

  • Protection of large induction and synchronous motors in petrochemical plants.
  • Motor management in water and wastewater treatment facilities.
  • Critical drive applications in mining and heavy manufacturing.

Material Composition & Structural Characteristics:

  • Conformal Coating: A thin polymer layer applied to the internal PCB to protect against environmental contaminants.
  • Enhanced Panel: Divided into four functional sections including the display, keypad, status LEDs, and communication port.
  • Enclosure: Ruggedized industrial housing designed for panel mounting.

Working Principle: The relay continuously samples voltage and current signals from external CTs and PTs. Its internal microprocessor calculates real-time electrical and thermal parameters. These values are compared against user-defined setpoints. If an anomaly is detected, the relay executes pre-programmed logic to trip circuit breakers or trigger alarms, thereby preventing catastrophic motor failure.

Installation Requirements:

  • CT Matching: Ensure all connected CTs have a 1 A secondary rating. Using mismatched 5 A CTs will cause severe measurement errors and potential system damage.
  • Wiring: Use shielded cables for all analog and communication connections to prevent electromagnetic interference.
  • Power: Connect the control power supply within the specified 70-265 VAC or 90-300 VDC range.

Usage Precautions:

  • Software Configuration: Utilize the EnerVista 469 software rather than the front-panel keypad for complex configurations to ensure accuracy and efficiency.
  • Environmental Limits: While the conformal coating provides protection, the ambient temperature must still remain within the manufacturer’s specified operating limits.
  • Maintenance: Periodically verify CT connections and relay operation during scheduled maintenance outages.

Related products