GE 269PLUS-100P-HI
GE 269PLUS-100P-HI - Image 2

GE 269PLUS-100P-HI

Product Overview: The 269PLUS-100P-HI is a member of the GE Multilin 269 Plus family of motor protection relays, designed to provide comprehensive protection, control, and monitoring for medium and large AC motors. The “100P” indicates the 100 Amp phase current input configuration, and “HI” denotes the high-range control power supply (120-240 VAC / 125-250 VDC). This microprocessor-based relay provides advanced motor thermal modeling, overload protection, and complete motor management functionality in a robust industrial package.

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Category: SKU: GE 269PLUS-100P-HI

Description

GE 269PLUS-100P-HI

Technical Specifications:

Parameter Specification
Product Family GE Multilin 269 Plus Series
Phase Current Input 100 Amp primary (configurable CT ratios)
Control Power (HI) 120-240 VAC / 125-250 VDC
Control Power Range 60-300 VAC (50/60 Hz) / 84-250 VDC
Ride-Through Time 35 ms
Nominal Frequency 50/60 Hz
Relay Burden <0.1 VA at rated load (current inputs)
CT Primary Range 10 to 1500 A
CT Secondary 1A or 5A (must match relay configuration)
Ground CT Input 1A/5A secondary or 50:0.025 CBCT (Core Balance Current Transformer)
Maximum Ground CT Primary 1500 A (for 1A/5A taps) / 0.5 to 15.0 A (for CBCT)

Protection Functions:

  • Motor Thermal Model: Advanced overload protection with hot/cold safe stall ratio, motor cooling time constants, thermal inhibit, and emergency restart

  • Instantaneous Overcurrent (50): Phase and ground instantaneous protection

  • Time Overcurrent (51): Inverse time phase and neutral overcurrent protection with multiple curve options

  • Ground Fault Protection: Both residual and zero-sequence (core balance) ground fault detection

  • Undercurrent / Loss of Load: Protection against pump cavitation or broken shaft conditions

  • Current Unbalance: Protection against single-phasing and severe voltage unbalance

  • RTD Thermal Protection: Stator, bearing, and ambient temperature monitoring

  • Undervoltage / Overvoltage: Voltage protection elements

  • Underfrequency / Overfrequency: Frequency protection for motor applications

  • Power Protection: Reverse power, low forward power, and power factor monitoring

  • Starts-per-Hour / Time-Between-Starts: Motor starting supervision

  • Jogging / Inhibit Protection: Prevents excessive motor starting

  • Mechanical Jam: Protection against locked rotor conditions

  • Acceleration Time: Monitors motor start acceleration profile

Functional Features:

  • Microprocessor-Based Design: Digital signal processing for precise protection and measurement

  • Drawout Construction: Withdrawable relay design eliminates rewiring for testing and maintenance

  • Multiple Communication Options: RS-485, RS-232, and optional Ethernet with Modbus RTU/TCP, DNP 3.0, IEC 60870-5-104

  • Event Recording: Stores up to 256 time-tagged events with 1-millisecond resolution

  • Oscillography: Captures current and voltage waveforms at 32 samples per cycle with 8 individual channels

  • Motor Health Report: Comprehensive diagnostics including start/stop history, acceleration times, starting currents

  • Password Security: Multiple access levels for settings and control operations

  • LED Indicators: Front panel status and alarm indication

  • LCD Display: User interface for local programming and monitoring

Input/Output Configuration:

  • Contact Inputs: 10 programmable contact inputs with selectable thresholds (17, 33, 84, 166 VDC)

  • Output Relays: Multiple Form A and Form C electromechanical relays

  • Trip/Close Relays: Dedicated breaker trip and close relays with coil monitoring

  • Seal-In Function: Adjustable trip and close seal-in timers (0.00 to 9.99 seconds)

Output Relay Specifications:

  • Contact Material: Silver-alloy

  • Operate Time: <8 ms

  • Continuous Current: 10A

  • Make and Carry (0.2s): 30A per ANSI C37.90

  • AC Inductive Break: 720 VA @ 250 VAC (Pilot duty A300)

  • AC Resistive Break: 277 VAC / 10A

  • DC Inductive Break (L/R=40ms): 24V/1A, 48V/0.5A, 125V/0.3A, 250V/0.2A

Applications:

  • Medium voltage motor protection (3-15 kV)
  • Large low voltage motor protection (>100 HP)
  • Critical process motor applications
  • Pump and compressor motor protection
  • Fan and blower motor monitoring
  • Generator protection applications

Installation Requirements:

  • Current Transformers: CT secondary must match relay nominal input (1A or 5A)

  • Ground CT Connection: Zero-sequence (core balance) installation recommended over residual connection

  • Control Power: Must match installed power supply range (HI or LO)

  • Grounding: All grounds must be connected for safe operation regardless of control power type

  • Environmental: Operating temperature typically -20°C to +60°C

Operating Conditions:

  • Altitude: Up to 2000 meters without derating

  • Humidity: 5% to 95% non-condensing

  • Vibration: IEC 60255-21-1 Class 1

  • Shock: IEC 60255-21-2 Class 1

  • Corrosive Atmosphere: ISA-S71.04 G3 (harsh environment option available)

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