GE D20A

GE D20A

The GE D20A is a digital protective relay designed for use in power systems. It provides protection, control, and monitoring functions for electrical equipment such as transformers, generators, and motors. The product content information and parameters of the GE D20A are as follows:

Product Content:

• Digital protective relay
• User manual
• Communication cables
• Mounting hardware

The GE D20A is a digital protective relay designed to provide protection and control for power systems. It is a microprocessor-based device that can be used for a variety of applications, including distribution, transmission, and generation systems. The D20A offers a wide range of protection functions, including overcurrent, under/overvoltage, frequency, and directional power. It also includes advanced features such as fault location, event recording, and communication capabilities. The D20A is designed to be easy to use and configure, with a user-friendly interface and flexible programming options. It is a reliable and robust device that can help ensure the safe and efficient operation of power systems.

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Parameters:

• Voltage range: 120V to 240V AC or DC
• Frequency range: 50Hz to 60Hz
• Operating temperature range: -40°C to +70°C
• Input/output contacts: 16 digital inputs, 8 digital outputs, 8 analog inputs, 4 analog outputs
• Communication protocols: Modbus RTU, DNP3.0, IEC 61850
• Protection functions: overcurrent, undervoltage, overvoltage, underfrequency, overfrequency, directional power, negative sequence, breaker failure, etc.
• Control functions: trip, close, reclose, synch-check, etc.
• Monitoring functions: voltage, current, power, frequency, phase angle, etc.
• Display: LCD screen with backlight
• Memory: non-volatile flash memory for storing settings and event records
• Certifications: UL, cUL, CE, RoHS, REACH