Description
The GE Multilin 239-AN Motor Protection Relay is a legacy protection device designed to safeguard three-phase AC motors against damaging conditions. It offers comprehensive monitoring, fault diagnostics, and alarm functions, ensuring reliable motor operation in industrial environments.
Specifications
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Model Number: 239-AN
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Manufacturer: GE Multilin
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Type: Motor Protection Relay with isolated analog output
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Application: Protects three-phase AC motors and associated mechanical equipment
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Communication: 36 VDC isolated active source, baud rate 1200–12k bps
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Inputs: True RMS ground current inputs, 16 samples/cycle
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Switch Inputs: Minimum duration 100 ms
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Thermal Modeling: Programmable lockout cool rate, 1–5000 minutes ±20%
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Weight: Approx. 5 lbs
Features
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Comprehensive Protection: Safeguards motors against overloads, jams, and abnormal operating conditions
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Diagnostic Capability: Provides fault analysis and alarm functions before damage occurs
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Simulation Tools: Built-in testing features allow verification of relay operation during maintenance
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Enhanced Reliability: Incorporates thermal models for accurate motor protection
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Compact Design: Saves installation space and reduces wiring costs
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Legacy Support: Available with harsh environment conformal coating option
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Upgrade Path: Replacement options ensure continued support and integration with modern GE protection systems
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