469-P5-HI-A20-E GE
469-P5-HI-A20-E GE - Image 2
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469-P5-HI-A20-E GE

  • Model: 469-P5-HI-A20-E (SR469-P5-HI-A20-E)
  • Brand: GE (General Electric)
  • Series: Multilin™ 469 Motor Management Relay
  • Core Function: Full protection & monitoring for medium-voltage motors
  • Product Type: Motor Management Relay
  • Key Specs: 5A CT secondary, 90–300 VDC / 70–265 VAC, enhanced LCD
  • Supply Status: ✅ In-stock (limited)
Category: SKU: 469-P5-HI-A20-E GE

Description

  • Control Power: 90–300 VDC; 70–265 VAC (48–62 Hz)
  • Phase Current Input: 5A CT secondary
  • RTD Inputs: 3-wire, 100Ω Pt, 100Ω Ni, 120Ω Ni, 10Ω Cu
  • Analog Outputs: 4 × 4–20 mA
  • Communication: Modbus RTU/TCP, DNP3.0, Ethernet/IP (optional)
  • Display: Enhanced 40-character LCD + LED indicators
  • Operating Temp: -20°C to +55°C
  • Humidity: Up to 90% non-condensing
  • Protection: Overload, stall, ground fault, phase imbalance, thermal modeling
  • Response Time: ≤ 10 ms
  • Dimensions: 218 × 228 × 250 mm
  • Weight: 7.32 kg

 

Engineering Pain Points

Medium-voltage motors (1–15 kV) in continuous-process plants are critical assets. A single unplanned failure can halt production for days, costing hundreds of thousands per hour. Traditional overload relays lack advanced diagnostics and communication, making root-cause analysis slow. OEM lead times for replacement relays often stretch 4–8 weeks, which is unacceptable for 24/7 operations. The 469-P5-HI-A20-E addresses these gaps with integrated protection, real-time monitoring, and fast spare-part availability.

 

Typical Application Scenarios

  1. Power Generation – Turbine & Boiler Feed PumpsProtects high-voltage motors driving feedwater pumps, fans, and compressors in coal, gas, and combined-cycle plants. Ensures compliance with NERC reliability standards and enables predictive maintenance via thermal and vibration trending.
  2. Oil & Gas – Pipeline Compressors & Pump StationsSafeguards motors in remote pumping and compression stations. Built-in communication supports SCADA integration for remote monitoring, while rugged design withstands harsh field environments.
  3. Petrochemical – Refinery Process MotorsUsed for reactors, extruders, and large fans in refining and chemical plants. Advanced ground-fault and thermal protection minimizes fire and explosion risks in hazardous areas.
  4. Mining – Conveyor & Mill Drive MotorsProtects heavy-duty motors in underground and surface mining. High immunity to electrical noise and vibration ensures reliable operation in dusty, high-shock environments.
  5. Water & Wastewater – Large Pump MotorsManages motors for water intake, distribution, and wastewater treatment. Supports remote control and alarm notification to reduce on-site maintenance visits.

 

Real-World Case: Power Plant Emergency Replacement

Background: A 600 MW coal-fired plant in the Midwest suffered a sudden failure of its boiler feedwater pump motor relay. The unit was a legacy GE Multilin 469 model, and the OEM quoted a 6-week lead time for a replacement. The plant faced a potential shutdown of the entire unit, with estimated losses of $1.2 million per day.
Problem: The plant’s maintenance team could not source a compatible relay locally. A prolonged outage would violate grid reliability commitments and result in significant financial penalties.
Solution: The plant contacted our team, which confirmed immediate availability of the 469-P5-HI-A20-E. We shipped the unit same-day via expedited courier. The maintenance team installed the relay within 24 hours of receipt, using our pre-configured parameter file to minimize setup time.
Result:
  • Total downtime: 36 hours (vs. projected 6 weeks)
  • Avoided financial loss: ~$18 million
  • Post-installation: The relay’s advanced diagnostics identified a minor bearing issue in the motor, allowing proactive repair before a catastrophic failure occurred.
  • Follow-up: The plant added three 469-P5-HI-A20-E units to its strategic spare inventory.
469-P5-HI-A20-E GE
469-P5-HI-A20-E GE
469-P5-HI-A20-E GE
469-P5-HI-A20-E GE

 

 

469-P5-HI-A20-E GE
469-P5-HI-A20-E GE

 

Product Description

The GE 469-P5-HI-A20-E is a motor protection relay manufactured by General Electric(GE)for protecting motors and their associated equipment from various faults.It features:

High reliability:Adopts high-quality components and strict production processes to ensure the reliability of the relay

Full functionality:Provides a variety of protection functions such as motor overload protection,undervoltage protection,phase loss protection,single-phase running protection,ground fault protection,and RPTD temperature protection

Easy to use:Simple operation,easy to set up and maintain

 

Product Parameters

Model:469-P5-HI-A20-E

Brand:GE

Type:Motor protection relay

Rated control power:50-300 VDC or 60-265 VAC

Rated current:20 A

 

Protection functions:

Motor overload protection

Undervoltage protection

Phase loss protection

Single-phase running protection

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