Description

GE SR489-P5-HI-A20-E

The GE SR489-P5-HI-A20-E is a motor protection relay from the Multilin SR Series (now part of GE’s Grid Solutions). Below are its key technical parameters:

General Specifications:

• Model: SR489-P5-HI-A20-E
• Type: Motor Protection Relay
• Application: Industrial motor protection, monitoring, and control

Electrical Ratings:

• Supply Voltage:
  • Typically 24–48V DC or 48–250V DC/AC (varies by model, check exact variant)
• Current Inputs:
  • Phase CTs: 1A or 5A (configurable)
  • Ground CT: Optional (depends on configuration)

Protection Features:

• Overcurrent (50/51, 50N/51N)
• Thermal Overload (49)
• Locked Rotor / Stall Protection (48, 14)
• Undercurrent (37)
• Under/Overvoltage (27/59)
• Negative Sequence / Unbalance (46)
• Ground Fault (50G/51G, 50N/51N)
• Loss of Load (37)
• Restart Inhibit (66)

Control & Monitoring:

• Digital Inputs: Typically 4–8 (configurable)
• Relay Outputs: Typically 4–6 (form-C contacts)
• Communication Protocols:
  • Modbus RTU (RS485)
  • Modbus TCP/IP (Ethernet, if equipped)
  • Optional: Profibus, DNP3.0

Mechanical & Environmental:

• Enclosure: Standard industrial (IP20 or higher)
• Operating Temperature: -20°C to +60°C
• Mounting: Panel-mounted

 

 

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•Shipping Port: Xiamen

•Package: Original packing with cartons

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Xingchuang Ronghe (Fuzhou) Electrical Equipment Co., Ltd. is a professional company specializing in international trade. We have rich industry experience and extensive customer resources, and can provide personalized trade solutions for customers.

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