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General| Current Rating | 10 A |
|---|---|
| Operate Time | 15 ms |
| Mechanical Life | 10, 000, 000 operations |
| Contact Configuration | DPDT (Double Pole Double Throw) |
| Electrical Life | 100, 000 operations |
Provides detailed technical specifications for the 239 relay's electrical and performance parameters.
Describes the terminal connections for wiring the 239 relay's inputs and outputs.
Outlines the methods available for entering setpoints into the 239 relay.
Covers user preferences, RS485 communication, and factory defaults for the 239 relay.
Details setpoints for CT inputs, ground sensing, and motor data configuration.
Explains the programming of the relay's trip, alarm, and auxiliary output functions.
Configures protection settings such as overload, phase S/C, and mechanical jam.
Covers test configurations, relay/LED tests, and simulated current/output tests.
Guides users through installing or upgrading the 239PC software.
Details the steps for establishing communication between 239PC and the relay.
Provides instructions for saving setpoints and loading new firmware into the relay.
Describes the Modbus RTU protocol implemented by the GE Multilin 239 relay.
Describes how to verify system operation by injecting current through CTs.
Outlines setup for testing relay operation and firmware interaction via secondary injection.
Details steps to test the accuracy of phase current readings within ±2% scale.
Guides testing of the phase current overload trip function and thermal capacity.
Describes how to test the phase unbalance alarm feature and calculate % unbalance.
