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Ge 55A213937P550B
1. Overview
GE 55A213937P550B is a medium voltage fuse produced by General Electric (GE), which is usually used for short-circuit protection and overload protection of high-voltage motors and electrical equipment. As a member of the 55A series fuses, this product is specially designed to meet the safety requirements during the start-up and operation of high-current and high-power motors.
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2. Specifications
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Specification
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Specific Value
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Model
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GE 55A213937P550B
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Rated Current
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550A
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Rated Voltage
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5.5kV AC (Common Rated Voltage)
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Pole Number
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2P (Double Pole)
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Fuse Type
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Bolted, commonly used in models with rated current of 550A
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Rated Short-Circuit Breaking Capacity
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8.8kA (Common Data)
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System Type
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Suitable for 5kV systems
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Overall Dimensions
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550A/800A Fuse (Bolted Type)
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3. Product Features
- High Reliability: Adopting GE high-quality materials and strict manufacturing processes to ensure rapid circuit breaking under high-current impact, protecting the safety of motors and equipment.
- Bolted Structure: The bolted installation method provides extremely high mechanical strength, suitable for high-vibration and high-impact environments.
- High Fusing Current: High rated short-circuit breaking capacity, which can cope with extreme current conditions during the start-up and operation of high-power motors.
- Easy Maintenance: The bolted design facilitates quick replacement and reduces maintenance downtime.
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4. Structure and Composition
- Fuse Element: Made of high-fusing metal wire, which will quickly break the circuit when fused.
- Shell: Usually made of metal or special plastic materials, with good insulation performance.
- Bolt Connector: Used to connect the incoming and outgoing lines of the motor or circuit, providing a reliable electrical connection.
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5. Application Fields
- Large Motor Protection: Such as high-power motors in steel plants, paper mills, and chemical plants.
- Oil and Gas Equipment: Oilfield drilling platforms, oil refining equipment, etc.
- Power System: Medium-voltage side protection of power transformation and distribution stations.
- Large Water Pumps and Compressors: Heavy-duty equipment used in mining, metallurgy and other industries.
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6. Installation and Maintenance
Installation
- Ensure installation is carried out after power is cut off.
- Use bolts of appropriate specifications for fastening to avoid poor contact due to looseness.
- Avoid installation in high-temperature, humid or corrosive gas environments.
Maintenance
- Regularly check the bolt tightness and the surface condition of the fuse.
- Record the time, cause and fusing current of each fusing event as the basis for subsequent analysis.
- If the shell is deformed, bolts are loose or the fuse wire is excessively ablated, replace it immediately.
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Main brand
ABB Allen-Bradley Alstom Bently Emerson Foxboro
GE MOOG Schneider Woodward HIMA Honeywel Triconex & more
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