LPN-RK-450SP - 450 Amp Fuse Description
LPN-RK-450SP - 450 Amp Fuse
When you're matching a 450-amp fuse to existing equipment, the catalog number is only the starting point. The Eaton Bussmann series LPN-RK-450SP is a 450A Class RK1 time-delay, current-limiting fuse rated for 250VAC and 250VDC. Eaton specifies interrupting ratings of 300 kAIC at 250VAC and 100 kAIC at 250VDC, along with dual-element construction and a blade-end × blade-end connection. Correctly selected, installed by qualified electrical personnel, and operated within its specified ratings, the LPN-RK-450SP is built to last as part of a properly designed and maintained electrical system.
Key Features and Benefits
- 450A Class RK1 configuration: Combines a 450-amp rating with Eaton's specified Class RK1 fuse construction for compatible electrical equipment.
- 250VAC and 250VDC ratings: Provides clearly stated AC and DC ratings that can be checked against circuit and equipment requirements.
- Time-delay operation: Eaton identifies the LPN-RK-450SP as a time-delay fuse, an important characteristic when evaluating it for in-rush applications.
- Current-limiting fuse: The manufacturer specifies current-limiting characteristics for this model.
- Dual-element construction: Uses Eaton's stated dual-element configuration.
- Blade end × blade end connection: Gives technicians a clear physical connection characteristic to compare with the equipment's fuse mounting arrangement.
Technical Specifications
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Manufacturer: Eaton
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Product Family: Bussmann Series
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Product Name: Eaton Bussmann Series LPN-RK Fuse
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Catalog Number: LPN-RK-450SP
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Product Type: Fuse
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Fuse Class: Class RK1
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Amperage Rating: 450A
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AC Voltage Rating: 250VAC
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DC Voltage Rating: 250VDC
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AC Interrupting Rating: 300 kAIC at 250VAC
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DC Interrupting Rating: 100 kAIC at 250VDC
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Fuse Type: Time Delay; Current-Limiting
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Number of Elements: Dual
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Connection: Blade End × Blade End
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Fuse Indicator: Non-Indicating, according to Eaton's dedicated Fuse Indicator field
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Special Feature: High In-Rush Current Motor Protection
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Product Length/Depth: 10.38 in.
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Product Height: 2.88 in.
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Product Width: 2.88 in.
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Product Weight: 0.035 lb., as listed in the supplied manufacturer specifications
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UPC: 051712538565
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CE Marked: Yes
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RoHS Compliant: Yes
Material Compliance and Certifications
According to Eaton's supplied product specifications, the LPN-RK-450SP is CE-marked and identified as RoHS Compliant. These manufacturer-stated compliance details provide useful reference points when checking the fuse against applicable equipment, facility, project, or compliance requirements.
Where It Works Best
The Eaton Bussmann LPN-RK-450SP 450A Class RK1 fuse is intended for compatible electrical equipment that requires its specific combination of 450A capacity, 250VAC / 250VDC ratings, Class RK1 construction, time-delay operation, current-limiting characteristics, dual elements, and blade-end × blade-end connections. Eaton also lists high in-rush current motor protection as a special feature, which you should evaluate against the requirements of the specific motor circuit and equipment.
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Specifications
- Width:2.54
- Depth:2.54
- Height:10.38
- Amperes:450
- A.I.C. Rating & Volts:200 kA @ 250 V.AC
- Type:LPN-RK
- Additional Notes:Knife-Blase Style, Non-Indicating, Time-Delay, current-limiting Class R Fuse
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