GE 269Plus-100P-120 120-120

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GE 269Plus-100P-120 120-120

GE Multilin 269Plus-100P-120 is a microprocessor-based motor management and protection relay designed for comprehensive protection, monitoring, and control of AC motors. It belongs to the GE Multilin 269 Plus Motor Management Relay family.

1. Model Identification

Item	Description
Manufacturer	GE Multilin / General Electric
Model	269PLUS-100P-120
Product Type	Motor Management Relay
Series	269 Plus
Main Function	Motor protection, monitoring, overload management
Control Power	120 VAC / 125 VDC class
RTD Option	100 Ω Platinum RTD (100P)
Application	Industrial AC motors

The suffix 100P indicates a 100-ohm platinum RTD input option, while 120 indicates the control power version for approximately 120 VAC operation.

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2. Technical Specifications

Electrical

Parameter	Specification
Control Power Input	90–300 VDC or 70–265 VAC (HI range models)
Nominal Power Consumption	Approx. 10 VA (20 VA maximum)
Frequency	50/60 Hz
Phase CT Input	1 A / 5 A secondary CT compatible
Current Measurement	True RMS measurement
Voltage Input Range	20–600 VAC (with MPM option)

 

RTD Monitoring

Feature	Specification
RTD Type	100 Ω Platinum
RTD Inputs	Multiple programmable RTD channels
Monitoring Functions	Motor winding, bearing, ambient temperature
Temperature Range	0–200 °C typical

 

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3. Protection Functions

The GE 269Plus provides extensive motor protection functions, including:

• Thermal overload protection
• Phase overcurrent protection
• Short circuit protection
• Ground fault protection
• Phase loss / single phasing protection
• Current imbalance protection
• Locked rotor protection
• Mechanical jam detection
• Undercurrent / load loss detection
• RTD-based overtemperature protection
• Emergency restart capability

 

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4. Product Features

Microprocessor-Based Design

• Digital measurement and processing
• Keypad programmable settings
• Event recording and statistical data logging
• Improved motor utilization and reduced downtime

Communication Capability

• Integration with PLC, DCS, and SCADA systems
• Supports GE monitoring software tools such as EnerVista integration solutions

 

Flexible Configuration

• Multiple overload curves
• User-defined FlexCurve capability
• Adjustable trip/alarm delays
• Programmable relay outputs

 

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5. Structural Composition

Main components include:

• Microprocessor control board
• Current sensing input circuits
• RTD temperature input circuits
• Digital input interface
• Relay output modules
• Communication interface
• Front-panel keypad/display assembly

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6. Typical Applications

GE 269Plus-100P-120 is commonly used in:

• Motor Control Centers (MCC)
• Pumps
• Fans and blowers
• Compressors
• Conveyors
• Industrial process motors
• Power generation auxiliary systems
• Water treatment facilities

 

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7. Advantages

• Provides complete motor protection in a single relay
• Helps prevent motor damage from abnormal operating conditions
• Supports predictive maintenance through monitoring and records
• Suitable for both low-voltage and medium-size motor applications
• Compatible with industrial automation systems

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Conclusion

The GE 269Plus-100P-120 is a reliable industrial motor protection and management relay featuring thermal modeling, current protection, RTD temperature monitoring, programmable logic, and communication capabilities. Its 100 Ω platinum RTD configuration makes it suitable for applications requiring accurate motor temperature supervision, especially in pumps, compressors, fans, and other critical rotating equipment.