GE SR489-P5-LO-A20
The GE SR489-P5-LO-A20 is a motor protection relay from the Multilin SR Series (formerly GE Multilin). Below are its key technical parameters:
General Specifications:
- Model: SR489-P5-LO-A20
- Type: Motor Protection Relay
- Application: Designed for large motors (synchronous/asynchronous)
- Functions: Overload, short-circuit, ground fault, phase unbalance, thermal protection, etc.
Electrical Ratings:
- Supply Voltage (Auxiliary Power):
- Standard: 85–265V AC/DC or 18–80V DC (depending on model variant)
- A20 Suffix: Likely 120V AC/DC (confirm with datasheet)
- Current Input:
- Phase CT Range: Typically 1A or 5A (configurable)
- Ground CT: Optional (depends on configuration)
Protection Features:
1. Overcurrent Protection:
-
- Instantaneous, Definite/Inverse Time (DTL/IDMT)
2. Thermal Overload Protection:
-
- Based on I²t algorithm
3. Ground Fault Protection:
-
- Sensitive ground fault detection (optional)
4. Unbalance/Undervoltage:
-
- Negative sequence current (for phase unbalance)
5. Locked Rotor Protection:
-
- Stalling protection with programmable delay
6. Start Protection:
-
- Start inhibit & restart supervision
Control & Communication:
- Relay Outputs:
- 4–6 programmable Form-C contacts (depends on model)
- Communication Protocols:
- Modbus RTU (RS485)
- Optional Ethernet (SR4XX models with -E suffix)
- HMI Interface:
- LCD display + keypad for local control
Mechanical & Environmental:
- Enclosure: Standard panel-mount
- Operating Temperature: -20°C to +60°C
- Certifications: UL, CE, IEC standards
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Main Brand:
ABB Allen-Bradley Alstom Bently Emerson Foxboro
GE MOOG Schneider Woodward HIMA Honeywell
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FAQ
Q:What is the earliest time when you can make delivery?
A:We will make delivery once received your payment.
Q:If the product can’t work, can it be returned?
A:We provide one year warranty.
Q:How easy is it to obtain items?
A:New are no longer continuously manufactured, and therefore supply is scarce.
However, at SAUL we specialize in sourcing hard-to-find products, and although
the lead time varies, the average is between 5-7 business days.
Q:What is the typical price for the items?
A:SAUL ELECTRIC always gives customers excellent service and prices that
are highly competitive.Requirements for delivery and availability do affect pricing.
About us
SAUL ELECTRIC is a leading supplier specializing in industrial automation, particularly focusing on PLC modules and control systems. With a deep commitment to helping businesses enhance productivity, minimize downtime, and deliver high-quality solutions, SAUL ELECTRIC has become a trusted name in the industry.
Key Advantages of SAUL ELECTRIC:
1.Integrating Renowned Brands: SAUL ELECTRIC stands out for its ability to integrate products from multiple renowned brands in the industrial automation sector. This approach allows them to offer customers an extensive range of products, providing tailored solutions that meet the specific needs of various industries. By leveraging the strengths of top-tier brands, SAUL ELECTRIC ensures that customers have access to the best-in-class technologies available on the market.
2.Excellent Service: The company places a strong emphasis on providing exceptional service, ensuring that customers receive not only high-quality products but also comprehensive support throughout their purchasing journey. This includes professional technical support, fast response times to inquiries, and reliable product delivery. Whether troubleshooting a technical issue or answering a product query, SAUL ELECTRIC’s customer service is always ready to assist.
3.Diversified Project Expertise: With rich experience in managing industrial automation projects across different sectors, SAUL ELECTRIC offers diversified project solutions tailored to meet specific customer requirements. Whether it’s a large-scale system integration or a specialized automation solution, the company’s broad project portfolio showcases its ability to handle a wide variety of challenges, ensuring projects are completed on time and within budget.
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