GE Multilin SR489-P1-LO-A20-E Generator Management Relay
$261.00
$565.00
Description
Product Overview
The GE Multilin SR489-P1-LO-A20-E is a low-voltage generator management relay designed for small to medium-sized industrial generators. It provides comprehensive protection against thermal, electrical, and mechanical stresses while enabling real-time monitoring and seamless integration with modern control systems. Moreover, the relay’s adaptive intelligence learns generator characteristics, ensuring tailored protection under varying operational conditions. Its robust design and enhanced LCD display simplify commissioning, diagnostics, and ongoing maintenance.
Key Benefits
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Comprehensive Generator Protection: Guards against thermal overload, unbalance, ground faults, undercurrent, and mechanical stress.
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Real-Time Monitoring: 50 ms metering update rate enables fast detection of anomalies and energy management.
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Flexible Integration: Supports SCADA, DCS, and analog sensors for temperature, vibration, and more.
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User-Friendly Interface: Enhanced front-panel LCD display simplifies setup, monitoring, and event analysis.
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High Reliability: Solid-state design reduces EMI, eliminates arcing, and delivers up to 10 million operations.
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Adaptive Intelligence: Learns operational parameters for optimal generator performance and safety.
Technical Specifications
| Attribute | Description |
|---|---|
| CT Inputs | 1A phase CT secondaries |
| Control Power Supply | 20–60 VDC or 20–48 VAC @ 48–62 Hz |
| Analog Inputs | Supports 4–20 mA analog inputs for external sensors |
| Protection Functions | Thermal overload, unbalance, ground fault, undercurrent, locked rotor, negative sequence current |
| Diagnostics | Event recording, self-monitoring, fault logging |
| Metering Update Rate | 50 ms real-time energy metering |
| Ingress Protection | IEC60529 compliant |
| Display | Enhanced LCD front-panel display |
| Reliability | Solid-state design with up to 10 million operations |
Typical Applications
The SR489-P1-LO-A20-E excels in industrial environments requiring reliable generator management. It protects small and medium-sized generators in manufacturing plants, power generation facilities, and critical infrastructure. For instance, it is ideal for industrial motor monitoring, peak load management, and real-time energy metering, ensuring safe and efficient operation.
FAQ
Q1: What types of generators can the SR489-P1-LO-A20-E protect?
A1: It is designed for low-voltage small to medium-sized generators in industrial applications.
Q2: Does it support SCADA or DCS integration?
A2: Yes, the relay provides analog inputs and communication interfaces for seamless SCADA/DCS integration.
Q3: How fast is the metering update?
A3: The relay updates metering data every 50 milliseconds for near real-time monitoring.
Q4: Can it handle mechanical and thermal protection simultaneously?
A4: Absolutely. The SR489 offers combined electrical, thermal, and mechanical protection for complete generator safety.
Q5: What is the control power range for the LO variant?
A5: The LO variant operates on 20–60 VDC or 20–48 VAC at 48–62 Hz.
Features
Minimum Order Quantity (MOQ)
We welcome bulk orders and have a minimum order quantity of just one unit.
Certificates and Documentation
Upon request, we can provide all necessary documentation, including Certificates of Origin/Conformance and other required export documents.
Delivery Time
For items in stock, we aim to deliver within 1-3 days after payment confirmation. Items with specified lead times will be delivered according to the quoted schedule.
Payment Methods
We accept 100% T/T (Telegraphic Transfer) payment before shipping. For items with lead times, a 30% deposit is required upfront, with the remaining 70% due before shipment. For RMB transfers, please contact us if you have an agent in China.
Warranty
We offer a standard one-year warranty on all new and original items. If you require an extended warranty, please contact us for additional cost details.
Refund and Return Policy
Your satisfaction is important to us. If you need to return an item, it must be done within 30 days of the order date. The product must be unused, unopened, and in its original packaging with all accessories included. Refunds are processed within 5-7 business days after we receive the returned item. Please note that shipping and related charges are non-refundable.
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