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GE SR489-P5-LO-A20 Generator Management
GE SR489-P5-LO-A20
I. Overview
The GE SR489-P5-LO-A20 is a model in the GE Multilin series, belonging to the SR489 series. It is specifically designed for generator protection and management. Integrating multiple protection, control, and communication functions, it is suitable for induction or synchronous generators. It can monitor the operating status of generators and provide protection measures in abnormal situations to ensure the safe and stable operation of generators.
II. Parameters
Input Voltage: 20-60 VDC or 20-48 VAC (48-62Hz) Output Voltage: 24V Output Current: 10A Power: 240W Communication Protocols: Supports multiple communication protocols such as RS232, RS485, Modbus, etc. Protection Class: IP20 Dimensions: 21.6cm x 22.4cm x 25.2cm Weight: Approximately 10kg Operating Temperature: -20℃ to +70℃ Analog Output: 4-20mA Current Input: 5A phase CT secondary
III. Product Features
Multifunctional Integration: Integrates multiple protection functions such as overload protection, short-circuit protection, ground fault protection, and stall protection. It can detect abnormal situations and issue alarms or take protective measures. High Reliability and Long Service Life: Undergoes strict quality control and testing to ensure stable operation even in harsh industrial environments. Flexible Configuration: Supports multiple communication protocols, facilitating integration into automated systems. Users can set parameters and logic according to specific needs. User-Friendly Interface: Equipped with a 40-character LCD display, which can show key information such as current, voltage, power, and frequency, making it easy for users to view and operate. Anti-Interference: Meets SWC, C37.990 EMI, and RFI anti-interference standards, suitable for complex electromagnetic environments. Expansion Interfaces: Provides USB ports, PCI-104 slots, and CompactFlash™ slots to support multi-functional expansion.
IV. Structure and Composition
Display Screen: Equipped with a 40-character LCD display, supporting synchronous dual-display and asynchronous dual-display, which can clearly show system status and operating parameters. Input/Output Ports: The rear panel contains 12 RTD inputs, 6 output relays, 2 RS485 communication ports, and 4 VT inputs. Communication Ports: Supports communication protocols such as RS232, RS485, and Ethernet, with a maximum communication rate of 19200 bps. Analog Input/Output: Provides four isolated 4-20 mA analog inputs and outputs. Digital Inputs: Supports seven assignable digital inputs. CT Inputs: Supports three-phase output/three-phase neutral line and ground current detection.
V. Application Fields
Power Plants: Used to protect generator sets and ensure power quality. Industrial Power Generation: Used in self-owned power generation systems of factories or enterprises. Marine Power Generation: Used in generator sets on ships. Data Centers: Used for power protection in data centers. Oil and Gas Refineries: Used in power systems for chemical plants and mining operations. Transportation: Used for power supply in public transportation and railway systems. Renewable Energy Systems: Such as wind power generation, solar power generation, etc.
VI. Installation and Maintenance
Installation Methods: Supports DIN rail mounting or panel mounting, and should be installed by qualified technicians in a dry and dust-free environment.
Installation Steps
Ensure all wiring complies with electrical specifications and safety standards. Correctly connect current transformers (CT) and other sensors. Install and configure according to the manufacturer’s instructions.
Maintenance
Perform regular maintenance to ensure optimal performance and service life. Provides rich diagnostic and maintenance functions to facilitate fault troubleshooting and system optimization. Regularly check and update firmware or software to enhance functions and fix potential problems.
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Our company is a professional enterprise focusing on the sales of large-scale control systems and imported module spare parts. For many years, we have been committed to providing customers with high-quality automation system solutions. From well-known brands such as ABB, FOXBORO, and TOSHIBA to various imported module spare parts, we can provide customers with one-stop services. Adhering to the tenet of “creating value for customers”, the company has continuously expanded its business scope and won the trust of a large number of customers.
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- Spare Parts Supply: We have a rich inventory of spare parts, enabling us to quickly respond to customer needs and provide spare parts of many well-known brands such as ABB, FOXBORO, and TOSHIBA.
- System Integration: Our engineering team has rich experience in system integration and can provide customized automation system solutions according to customers’ actual needs.
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