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Details the technical parameters and capabilities of the BE1-50/51M Overcurrent Relay.
Explains the internal workings and operational principles of the BE1-50/51M Overcurrent Relay.
Provides guidance on how to physically install the BE1-50/51M Overcurrent Relay.
Outlines the steps and provides an example for configuring the BE1-50/51M Overcurrent Relay settings.
Provides an overview of the BE1-50/51M Overcurrent Relays and their purpose.
Details the various uses and integration possibilities for the BE1-50/51M Overcurrent Relay.
Lists and explains the different model variations of the BE1-50/51M Overcurrent Relay.
Encompasses detailed technical data, ranges, and performance metrics for the relay.
Illustrates how the relay behaves with harmonic distortion in the AC current input.
Describes the tripping characteristics for instantaneous overcurrent detection.
Details the various inverse and definite time curves available for the relay.
Describes how the relay receives and processes AC current signals from CTs.
Explains the internal power conditioning and supply for the relay's operation.
Details the path and processing of the instantaneous current signal within the relay.
Describes how the time-based current signal is processed for time overcurrent functions.
Explains the role of the microprocessor in controlling relay functions and processing inputs.
Details how the relay detects and reacts to power loss for specific functions.
Describes the relay's output contacts and their configurations for tripping and signaling.
Specifies the high potential testing procedures for relay insulation and safety.
Provides instructions and options for physically installing the relay in control panels.
Shows the physical size and spatial requirements of the BE1-50/51M Overcurrent Relay.
Illustrates the required panel cutouts and mounting hole specifications.
Details the wiring requirements for AC input, DC control, and auxiliary outputs.
Specifies how to connect the current transformer inputs to the relay.
Details the wiring for the control circuit, trip coil, and auxiliary contacts.
Diagram showing the rear terminals and their functions for wiring.
Tests the relay's electrical insulation integrity using high voltage AC or DC.
Step-by-step guide to verify the correct functioning of the relay's protective elements.
Diagram illustrating the test equipment configuration for pickup and timing tests.
Diagram showing the setup for testing the relay's target indicators.
Specific testing steps for 5A models, covering time pickup, INST pickup, and time dial.
Procedure to test the manual trip function and target operation.
Test procedure for the integrating reset characteristic specific to 200 series relays.
Specific testing steps for 1A models, covering time pickup, INST pickup, and time dial.
Guidelines for routine testing to ensure continued relay reliability and performance.
Overview of maintenance requirements and contact information for issues.
Guidance for qualified technicians performing component replacement or board repair.
Recommendations for storing the relay to maintain its longevity and integrity.
Procedures for regular testing to identify and correct potential relay malfunctions.
Details revisions made to the manual across different editions, noting changes to content and page references.
Introduces information specific to older revisions of the BE1-50/51M relay.
Highlights variations in controls and indicators between different relay revisions and series.
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General
