GE 369B1859G0022 Digital motor management relay component
GE 369B1859G0022 Technical Specification
Specification
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Attribute
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Detail
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Part Number
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Manufacturer
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General Electric (GE)
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Series
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Multilin™ 369
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Country of Origin
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Canada
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Function
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Motor Management Relay (Advanced Protection & Control)
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Description
The GE 369B1859G0022 is a digital motor management relay from GE’s Multilin 369 series, designed for comprehensive protection and control of medium-voltage induction motors (500V–15kV). It integrates 51-phase/ground protection, thermal modeling, vibration monitoring, and startup supervision with Modbus RTU/DNP3 connectivity. Features programmable logic (FlexLogic™), waveform capture, and HMI with 8-line LCD display.
Features
- Multi-Tier Protection:
- Thermal overload (I²t, RTD/bi-metallic simulation)
- Stalling protection (2-stage)
- Unbalance/undercurrent (<5% FLA)
- Jam detection & acceleration timer
- Advanced Monitoring:
- Real-time vibration (4–20mA input)
- Starts-per-hour/cycle lockout
- Power quality metrics (kW, PF, THD)
- Control Capabilities:
- Programmable 12× FlexLogic equations
- Dry-contact I/O (6× IN / 4× OUT)
- SCR-based bypass control for soft starters
- Communications:
- Dual RS-485 (Modbus RTU/DNP3.0)
- USB Type-B for local configuration
Electrical Specifications
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Parameter
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Specification
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Voltage Range
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85–265V AC/DC (auto-sensing)
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Current Inputs
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5A nominal (1A optional), Class 10 accuracy
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Burden
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<0.1VA per phase
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RTD Inputs
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3× 100Ω platinum (3-wire)
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Relay Outputs
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5A @ 250V AC (resistive)
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Operating Temp
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-40°C to +70°C
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Product Properties
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Property
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Specification
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Display
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128×64 pixel LCD with backlight
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Enclosure Rating
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IP52 (front)/IP20 (rear)
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Compliance
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UL 508, IEC 60255-27, IEEE C37.90
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Communication Protocols
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Modbus RTU, DNP3.0, GE SRTP
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Certifications
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ATEX/IECEx Zone 2, DNV-GL marine
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Dimensions
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144 × 144 × 173 mm (5.7 × 5.7 × 6.8 in)
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Weight
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1.8 kg (4.0 lbs)
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Performance Metrics
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Metric
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Value
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Trip Response Time
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<20 ms (phase faults)
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Thermal Model Accuracy
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±3% (motor thermal capacity)
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Waveform Capture
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128 cycles @ 64 samples/cycle
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Memory
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100 event records (+256 SOE)
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Clock Accuracy
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±2 s/month (battery-backed)
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Key Applications
- Critical Motor Protection:
- Crushers, compressors, pumps >500 HP
- Conveyor systems in mining
- Refinery HV motors (API 541 compliance)
- Energy Management:
- Load shedding during underfrequency
- Power factor correction control
- Predictive Maintenance:
- Winding temp trending (RTD)
- Vibration spectrum analysis
⚠️ Critical Integration Notes:
- CT Requirements: Use 5P10 class CTs with ≤2.5VA burden for accurate protection.
- Vibration Setup: Requires piezoelectric sensor (4–20mA) with independent 24V DC supply.
- Lockout Logic: Configure “Critical Start Inhibit” for >2 consecutive start failures.
- Firmware Version: Must be ≥V4.0 for DNP3 secure authentication (IEC 62351).
- Grounding: Single-point star grounding mandatory – noise immunity drops >50V CMV.
- Bypass Control: Time delay must exceed starter transition time by ≥150 ms.
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