GE SR489-P5-HI-A20-E

Overview

The GE SR489-P5-HI-A20-E is a high-performance, multi-functional generator management relay designed specifically for industrial applications. It integrates various protection and control functions to ensure the safety and reliability of generators under diverse operating conditions. This product is applicable in fields such as power generation, transmission, distribution, and renewable energy systems.

Parameters

Model: SR489-P5-HI-A20-E Manufacturer: General Electric (GE) Series: SR489 Series Phase current input: 5 A phase CT auxiliary Control power supply: 90-300 VDC and 70-265 VAC (48-62 Hz) Analog output: 4 to 20 mA Fuse current rating: 2.5 A Fuse type: 5x20mm HRC SLO-BLO Littelfuse Operating temperature range: -20℃ to +70℃ Protection class: IP20 Dimensions: 300mm x 250mm x 200mm Weight: 10kg Product Features

Structure and Composition

Display: Enhanced LCD display, larger than basic displays, supporting 40-character display. Input/output ports: Include twelve RTD inputs, six output relays, two RS485 communication ports, and four VT inputs. Communication ports: Support Modbus RTU or DNP 3.0 protocols, up to 19200 bps. Analog input/output: Four isolated 4-20 mA analog inputs and outputs. CT inputs: Seven CT inputs for three-phase output/three-phase neutral and ground current detection, plus a separate safety and filter ground.

Installation and Maintenance

Installation method: Supports DIN rail mounting or panel mounting. Installation environment: Should be installed by qualified technicians in a dry and dust-free environment. Maintenance: Regular maintenance is required to ensure optimal performance and service life. Refer to the product manual for specific maintenance methods. Fault diagnosis: Provides rich diagnostic and maintenance functions, facilitating troubleshooting and system optimization.

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