Overview
The GE 489 Generator Management Relay is part of GE’s Multilin series of advanced protective relays. Specifically engineered to protect medium‑voltage synchronous and induction generators, it offers protection against both electrical and mechanical faults.
By combining key features such as thermal modeling, current imbalance detection, ground fault protection, and generator start supervision, the 489 relay ensures the safe and efficient operation of generators. It also supports Modbus and DNP3 communications, integrating seamlessly with modern plant automation systems for enhanced functionality.
Technical Data
| Parameter | Specification |
|---|---|
| Product Type | Generator Management Relay |
Typical Applications
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Power generation plants: Protecting synchronous and induction generators.
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Petrochemical facilities: Ensuring reliable generator operation under variable loads.
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Mining and heavy industry: Monitoring generator health to prevent costly downtime.
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Manufacturing plants: Providing real-time diagnostics and safe generator startup.
Key Features
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Microprocessor-based protection for advanced fault detection.
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Six output relays for trips and alarms.
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User-friendly LCD interface for easy configuration and monitoring.
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Flexible communication protocols for integration into SCADA/DCS systems.
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Comprehensive monitoring including voltage, current, frequency, and thermal conditions.
FAQ
Q1: What is the primary role of the GE 489 relay?
A1: The GE 489 relay protects and manages synchronous and induction generators in industrial applications.
Q2: How does it improve reliability?
A2: By providing advanced fault detection and real-time monitoring, it reduces generator failures and downtime.
Q3: Can it integrate with automation systems?
A3: Yes, the 489 relay supports Modbus and DNP3 protocols for seamless integration with SCADA and DCS systems.
Q4: How many outputs does it provide?
A4: It includes six output relays for trips and alarms.
Q5: Why choose GE Multilin relays?
A5: GE Multilin relays offer proven reliability, advanced communication, and robust protection, trusted worldwide in power generation.
| Quick Quotes | Receive price & availability FAST from our dedicated customer service team. |
|---|---|
| Delivery | Expedited, Freight, And International Shipping Available. |
| Condition | 100% New with Original Package |
| Payment | We accept American Express, Discover, MasterCard, PayPal, and Visa. Our site is secured by RapidSSL. |
| Shipping Port | ShangHai, Xiamen |
| Warranty | 12 Months |
| Q: Is Our Pricing Competitive? |
| A: Yes, we collaborate with over 50 countries worldwide. As a top supplier in China, we offer significant discounts based on market trends. |
| Q: What Is the Warranty Period? |
| A: All our new and original products come with a standard one-year warranty. |
| Q: What Payment Methods Do We Accept? |
| A: We require 100% T/T (Telegraphic Transfer) payment before shipping. For items with a lead time, a 30% deposit is needed upfront, and the remaining 70% is due before shipping. If you have a representative in China, you can arrange an RMB transfer through them. |
| Q: What Shipping Methods Do We Use? |
| A: We primarily use FedEx, DHL, UPS, and BRE for shipping. If you have an account with any of these carriers, you can handle shipping directly. We also offer free shipping to China-based freight forwarders. |
| Q: What Is Our Delivery Time? |
| A: Delivery usually takes 1-3 days after receiving the initial payment. For items with a lead time, shipping will occur according to the specified schedule. |
| Q: How Do We Package the Goods? |
| A: We ensure safe packaging with multiple layers of protection. Products are first placed in their original boxes and sealed with labels. A layer of bubble wrap is then added for collision protection during transit. Finally, the items are packed securely in durable boxes. |
| Q: How Can Customers Contact Us and Request a Quote? |
| A: You can reach out to us via email, WhatsApp, WeChat, Skype, or your preferred communication platform. Contact us with your needs, and we'll provide a prompt, customized quote. |
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