LPN-RK-12SP - 12 Amp Fuse Description
LPN-RK-12SP - 12 Amp Fuse
Getting the fuse right means checking the whole specification—not just the amperage stamped on the body. The Eaton Bussmann series LPN-RK-12SP is a 12A Class RK1 time-delay, current-limiting fuse rated for 250VAC and 125VDC. When properly selected, installed by your qualified electrical personnel, and operated within its specified ratings, the LPN-RK-12SP is built to last as part of a correctly designed and maintained electrical system.
Key Features and Benefits
- 12A Class RK1 configuration: Combines a 12-amp rating with the Class RK1 designation for compatible electrical equipment.
- 250VAC / 125VDC ratings: Clearly specified AC and DC voltage ratings make it easier to match the fuse to the circuit requirements.
- Time-delay operation: Eaton specifies an 8-second response time at 500%, providing a manufacturer-defined reference point for its time-delay characteristics.
- Current-limiting fuse: Current-limiting characteristics are part of Eaton's stated fuse type and should be considered when confirming circuit-protection requirements.
- Dual-element construction: The LPN-RK-12SP uses two elements as specified by the manufacturer.
- Ferrule-endferrule connection: Gives electricians and maintenance personnel a clear physical connection detail to verify before replacement.
- Non-indicating configuration: Eaton identifies this particular catalog number as non-indicating.
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-12SP
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Product Type: Fuse
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Fuse Class: Class RK1
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Fuse Type: Time Delay; Current-Limiting
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Number of Elements: Dual
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Amperage Rating: 12A
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AC Voltage Rating: 250VAC
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DC Voltage Rating: 125VDC
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AC Interrupting Rating: 300 kAIC at 250VAC
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DC Interrupting Rating: 100 kAIC at 125VDC
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Response Time: 8 sec. at 500%, as specified by Eaton
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Connection: Ferrule End × Fendule End
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Fusendndicator: Non-Indicating
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Special Feature: High In-Rush Current Motor Protection
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Product Length/Depth: 2 in.
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Product Height: 0.56 in.
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Product Width: 0.56 in.
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Product Weight: 0.5 lb.
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UPC: 051712538312
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EAN: 5027590064071
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CE Marked: Yes
Material Compliance and Certifications
According to Eaton's supplied specifications, the LPN-RK-12SP is CE Marked. That manufacturer-stated compliance information can be useful when reviewing the fuse against applicable equipment, facility, project, or compliance requirements.
Where It Works Best
The Eaton Bussmann LPN-RK-12SP 12A Class RK1 fuse is intended for compatible electrical equipment requiring its specific combination of 12A capacity, 250VAC / 125VDC ratings, time-delay operation, current-limiting characteristics, dual-element construction, and ferrule-end connections. Eaton's stated high in-rush current motor protection is particularly relevant when evaluating this fuse for compatible motor applications.
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Eaton®, Cutler-Hammer®, Westinghouse®, Challenger®, Bussmann®, Edison®, Edison Fuse®, GTE Sylvania®, Crouse-Hinds®, and Cooper® are registered trademarks of Eaton Corporation plc. Products sold are surplus, used, or refurbished and are NOT supplied by Eaton Corporation plc or its affiliates.
Specifications
- Width:0.56
- Depth:0.56
- Height:2.0
- Amperes:12
- A.I.C. Rating & Volts:200 kA @ 250 V.AC
- Type:LPN-RK
- Additional Notes:Cartridge Style, Non-Indicating, Time-Delay, current-limiting Class R Fuse
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