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GE Multilin 869 Motor Protection Relay

Item NO.:
869
Payment:
T/T
Price:
$938/
Product Origin:
USA
Color:
NEW
Product weight:
1.21KG
Lead Time:
In stock

- - - - GE Multilin 869 Motor Protection Relay
        
        Product Overview
        
        Brand: GE / GE Multilin
        Series: Multilin 8 Series
        Model: 869 Motor Protection Relay
        Product Type: Intelligent Motor Protection Relay
        Function: A multifunctional protection and control relay designed for medium and large induction motors and synchronous motors. It integrates motor protection, control, monitoring, diagnostics, and communication functions to improve motor reliability and reduce downtime.
        
        Technical Specifications
        
        Device Type: Digital Motor Protection Relay
        
        Application: Medium and large horsepower motor protection
        
        Supported Motors:
        
        Induction motors
        
        Synchronous motors
        
        VFD-driven motors
        
        High-inertia load motors
        
        Power Supply
        
        AC Input: 100–240 VAC, 50/60 Hz
        
        DC Input: 125–250 VDC
        
        Operating Range:
        
        AC: 88–265 VAC
        
        DC: 88–300 VDC
        
        Measurement Inputs
        
        Current Inputs: CT input support
        
        CT Primary Range: 1–12000 A
        
        CT Secondary: 1 A / 5 A
        
        Voltage Input Range: 10–260 V
        
        RTD Inputs:
        
        3-wire 100 Ω Platinum RTD
        
        Temperature range: -40 to +250°C
        
        Protection Functions
        
        Thermal overload protection (49)
        
        Phase overcurrent protection (50/51)
        
        Ground fault protection (50G/51G)
        
        Current unbalance protection (46)
        
        Undervoltage / Overvoltage protection (27/59)
        
        Underfrequency / Overfrequency protection (81)
        
        Locked rotor / Jam protection
        
        Motor starting protection
        
        Loss of excitation protection
        
        Stator differential protection
        
        Breaker failure protection
        
        Communication Interfaces
        
        IEC 61850
        
        Modbus RTU / TCP/IP
        
        DNP3.0
        
        IEC 60870-5-104
        
        Ethernet communication
        
        Advantages & Features
        
        Comprehensive Motor Protection
        
        Integrates multiple protection functions into one relay, providing complete protection for motors against electrical, thermal, and mechanical faults.
        
        Advanced Motor Diagnostics
        
        Uses advanced monitoring and motor condition analysis to detect abnormal operating conditions before failures occur.
        
        High-Speed Fault Response
        
        Provides fast protection processing to quickly detect faults and reduce motor damage.
        
        Flexible Communication Capability
        
        Supports modern industrial communication protocols, allowing easy integration with SCADA, DCS, and power management systems.
        
        Synchronous Motor Control Support
        
        Provides dedicated functions for synchronous motor applications, including excitation monitoring and control.
        
        User-Friendly Configuration
        
        Supports graphical display, programmable logic, event recording, and simplified commissioning.
        
        Reliable Industrial Design
        
        Designed for demanding environments such as power plants, oil & gas facilities, and heavy industrial applications.
        
        Typical Applications
        
        Oil & gas production equipment
        
        Petrochemical plants
        
        Power generation systems
        
        Mining equipment
        
        Cement plants
        
        Water treatment facilities
        
        Large pump systems
        
        Compressor protection systems
        
        Industrial motor control centers (MCC)
        
        Precautions
        
        Confirm motor voltage, current, and CT/PT parameters before installation.
        
        Ensure relay settings match the protected motor specifications.
        
        Verify correct wiring of current transformers and voltage transformers.
        
        Configure protection parameters carefully to avoid false trips.
        
        Perform relay testing and commissioning after installation.
        
        Ensure communication settings match the SCADA/DCS system.
        
        Keep the relay installed in a clean, dry control cabinet environment.