GE Multilin 369-HI-R-0-0-0-0-E – Motor Management Relay (Base Configuration)
- Series: GE Multilin 369 Series (Hi-Tech family).
- Function: Comprehensive protection, monitoring, control, and diagnostics for medium-voltage and high-voltage motors.
- Primary Role: Prevents motor damage by detecting faults (overload, stall, phase imbalance, ground fault, etc.), provides critical operational data, and enables control sequences.
- Key Features:
- Advanced Protection: Extensive suite of ANSI/IEEE-protected functions (see parameters).
- Integrated Human Interface (HI): Front-pallet mounted LCD display and keypad for local configuration, monitoring, and control (indicated by “HI”).
- Form Factor: Standard “R” relay chassis for panel mounting.
- Robust Control: 8 programmable output relays, 9 digital inputs.
- Enhanced Monitoring: Real-time measurements (currents, voltage, power, energy, power factor, frequency, thermal capacity), oscillographic capture (up to 64 cycles), event recording (> 100 events).
- Motor Diagnostics: Starts/hour, starts between cooling, thermal capacity used, stall acceleration time, load profile, unbalance severity.
- Modular Design: Supports optional communication modules (Modbus, Ethernet, Profibus DP, DeviceNet, Genius Bus) but none included in this suffix.
- Flexible Logic: Programmable scheme logic (FlexLogic™).
- Multiple Setpoints: 4 protection groups with multiple setting banks.
- Self-Diagnostics: Continuous hardware and software monitoring.
- Purpose: To maximize motor reliability, minimize downtime, prevent catastrophic failure, optimize performance, and provide critical data for maintenance planning.
- Applications & Use Cases:
- Protecting critical motors (pumps, fans, compressors, conveyors, crushers).
- Monitoring motor health and efficiency.
- Sequencing motor start/stop (across-the-line, soft-start, reduced voltage).
- Ground fault protection.
- Locked rotor / stall protection.
- Jam protection.
- Undercurrent (loss of load) protection.
- Application Fields:
- Power Generation (boiler feed pumps, ID/FD fans, cooling water pumps).
- Oil & Gas (offshore platforms, pipelines – compressors, pumps).
- Mining & Metals (crushers, conveyors, mills).
- Water & Wastewater (large pumps, aeration blowers).
- Pulp & Paper (refiners, conveyors, pumps).
- Chemical Processing (mixers, reactors, compressors).
GE Multilin 369-HI-R-0-0-0-0-E Product Parameters & Specifications
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Parameter Category
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Parameter
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Specification / Value
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Notes
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|---|---|---|---|
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General
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GE Part Number
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369-HI-R-0-0-0-0-E
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Suffix Decoder:
HI=Human Interface, R=Relay Chassis, 0-0-0-0=No Comm Options, E=Std AC/DC |
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Device Type
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Motor Management Relay
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Series
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Multilin 369 Series (Hi-Tech)
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Human Interface (HI)
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Interface Type
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Integrated LCD Display & Keypad
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Mounted on removable front pallet
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Physical
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Form Factor
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“R” Relay Chassis
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Standard panel mounting (19″ rack compatible options exist)
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Dimensions (H x W x D)
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Approx. 355 mm x 218 mm x 220 mm (14″ x 8.6″ x 8.7″)
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Excludes mounting hardware & wiring space
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Inputs/Outputs (I/O)
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Digital Inputs
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9 programmable DC inputs
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Configurable voltage range (24-250V DC typical)
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Output Relays
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8 programmable Form-C (SPDT) relays
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Contact Rating: 5A @ 250V AC / 30V DC
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Analog Output (Optional)
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None in this suffix
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Requires
-A suffix option |
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Protection Functions
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Primary Protection
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Overload (Thermal Model), Locked Rotor / Stall, Jam, Short Circuit (Inst. Phase), Start Protect
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All based on ANSI/IEEE numbers
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Phase Unbalance / Loss, Ground Fault (Inst., Def. T, Dir.), Undercurrent / Load Loss
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Under/Over Voltage, Under/Over Frequency, Negative Sequence Overload
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RTD Biasing (Requires RTD Module), Broken Rotor Bar Detection
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Monitoring & Metering
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Electrical Measurements
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True RMS Phase & Ground Currents, Voltage (LL/LN), Power (kW, kVAR, kVA, PF), Energy
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Voltage input requires optional VT module
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Frequency, Motor Thermal Capacity (%)
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Motor Diagnostics
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Starts/Hour Counter, Starts Between Cooling Counter, Run Time
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Recording
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Event Records: >100 time-stamped events with oscillography
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Oscillographic Capture: Up to 64 cycles pre/post-trigger
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Trip History: Last 8 trips
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Power Supply
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Supply Voltage (Std
E) |
AC: 100-240V AC / 50-60Hz, DC: 100-250V DC
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“E” suffix indicates standard AC/DC supply
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Power Consumption
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Typically < 15 VA / 20 W
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Communications
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Front Port
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USB (Type-B) for connection to EnerVista SR3 software
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Standard
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Rear Ports
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None in this suffix (
0-0-0-0) |
Requires separate Comm Module suffix option (e.g.,
-M=Modbus RTU, -E=Modbus TCP/IP) |
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Environmental
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Operating Temperature
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-20°C to +60°C (-4°F to +140°F)
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Storage Temperature
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-40°C to +85°C (-40°F to +185°F)
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Humidity
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5% to 95% non-condensing
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Standards & Certs
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Safety
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UL 508, CSA C22.2 No. 14, CE Marked
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EMC
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EN 61000-6-2, EN 61000-6-4, EN 61000-4 (Level 3/4 Surge, EFT, ESD)
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Environmental
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EN 60068-2 (Shock, Vibration)
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Key Suffix Interpretation Notes for -0-0-0-0-E:
- 1st
0: No Option 1 (e.g., No Arc Flash Detection Module). - 2nd
0: No Option 2 (e.g., No Profibus DP Module). - 3rd
0: No Option 3 (e.g., No DeviceNet Module). - 4th
0: No Option 4 (e.g., No Genius Bus Module). E: Standard AC/DC Power Supply (100-240V AC / 100-250V DC).
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