Digital guide
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GE 86466-26R8
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Product Name: Microprocessor-Based Motor Protection Relay
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Product Overview: An intelligent electronic device (IED) providing comprehensive protection and monitoring for medium-voltage AC motors.
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Protection Functions: Includes overload, locked rotor, phase unbalance, ground fault, and under/over voltage protection elements.
Detailed content
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Monitoring Capabilities: Measures and logs three-phase currents, voltages, power factor, and energy consumption; records maximum demand and operating hours.
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Communication: Typically equipped with an RS-485 port supporting Modbus RTU protocol for integration into plant automation networks.
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Material & Rating: Front face rated IP51 for protection against dust and dripping water; housing molded from flame-retardant polycarbonate.
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Usage Notes: Requires manual reset after a trip event to prevent unintended motor restart; periodic calibration checks are recommended for optimal accuracy.
