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The GE Multilin 369-HI-R-0-0-0-E, also cataloged as the 369 Motor Management Relay, operates as a dedicated hardware component for monitoring, managing, and protecting medium-sized AC motors within industrial power automation loops. The platform executes adaptive protection algorithms, waveform captures, and thermal monitoring routines to isolate motor components during electrical, thermal, or insulation faults.
| Parameter | Specification |
|---|---|
| Model | 369-HI-R-0-0-0-E (Alternative: 369-HI-R-0-0-0-0-E) |
| Brand | GE Multilin (General Electric) |
| Series | 369 Motor Management Relay Series |
| Origin | Canada |
| Weight | 8 lbs (Out of case) / 10 lbs (In standard installation case) |
| Dimensions | 11 cm W x 30 cm H x 21 cm L |
| Operating Temp | -40 to +140 deg F (-40 to +60 deg C) |
| Storage Temp | -40 to +176 deg F (-40 to +80 deg C) |
| Power Consumption | Sourced via high-range (HI) internal power module |
| Internal Protection | Fuse: 3.15 A H 250 V (5 x 20 mm format) |
| Pollution Degree | II |
| Phase Current Input | 1 A and 5 A secondary current transformer compatibility |
| Ground Current Input | Operating range from 20 to 100 Hz frequency limits |
| RTD Input Layout | 3-wire: 100 ohm Platinum, 100 ohm Nickel, 120 ohm Nickel, 10 ohm Copper |
| Communication Link | Front-panel RS232 port for localized computer interfacing |
The motor management assembly implements high-density processing components to coordinate high-speed calculations across its internal backplane bus. Enforcing strict firmware flash compatibility standards across all sensor and logic interfaces allows the processing core to dynamically track adaptive motor metrics—including phase current secondaries, ground faults down to 20 Hz, and 3-wire RTD thermal matrices. The internal bus configuration enables rapid fault detection down to millisecond windows, transmitting critical diagnostic data, automated event reports, and waveform captures directly to the local memory registers or out through the RS232 port running the EnerVista configuration software without data lag.
Q: How does the Motor Settings Auto-Configurator inside the EnerVista software simplify relay programming?
A: The Auto-Configurator tool parses basic motor nameplate data and system metrics entered by the technician to generate a structured baseline settings file. This pre-calculated profile sets the primary protection thresholds automatically, which can then be manually modified within the software to match localized operational constraints.
Q: What are the physical placement restrictions required to protect the internal instrumentation of the 369-HI-R-0-0-0-E?
A: To prevent long-term measurement drift or sensor data corruption, the relay chassis must be physically mounted away from strong magnetic fields and high-current AC conductors. Strong electromagnetic fields can induce inductive noise inside the sensitive 1 A / 5 A secondary current transformer sensing circuits.

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