Eaton LPNRK3-2/10SPNP Fuse - Class RK1 Time-Delay
Part Number: LPNRK3-2/10SPNP
Quick Summary
The Eaton LPNRK3-2/10SPNP fuse is a time-delay, current-limiting protection device designed for large distribution switchboards, power panelboards, and motor control centers. Users often face nuisance trips and uncoordinated protection; this unit delivers selective fast-acting clearance paired with predictable response to minimize downtime. The data lists Certifications as Contact Manufacturer and indicates no formal compliance claims; verify CE, SIL, or IP ratings directly with Eaton for your region. With a compact 3x3x11 in footprint and nickel-plated caps, it installs in standard Bussmann series racks and supports durable, long-life protection across centralized electrical distributions.
Product Information
Extended Description
LPNRK3-2/10SPNP Eaton: Eaton Bussmann series LPN-RK fuse, Nickel plated caps, Large distribution switchboards, Power panelboards, Motor control centers, 0.2 A, Class RK1, Non-indicating, Time delay, Current-limiting, Standard
Product Name
Eaton Bussmann series LPN-RK fuse
Catalog Number
LPNRK3-2/10SPNP
UPC
051712608619
Product Length/Depth
3 in
Product Height
11 in
Product Width
3 in
Product Weight
2.8 lb
Warranty
Not Applicable
Compliances
Not Applicable
Certifications
Contact Manufacturer
Amperage Rating
0.2 A
Fuse type
Time delay Current-limiting
Packaging type
Standard
Class
Class RK1
Fuse indicator
Non-indicating
Special features
Nickel plated caps
LPNRK3-2/10SPNP~LPNRK3-2-10SPNP~LOW PEAK NI PLATED CAPS
LPNRK3-2/10SPNP~LPNRK3-2-10SPNP~LOW PEAK NI PLATED CAPS
Bussmann series Fuseology
Eaton Specification Sheet - LPNRK3-2/10SPNP
Feature: 0.2 A amperage rating with time-delay and current-limiting protection. Business Impact: Enables precise protection for control circuits while tolerating inrush, reducing nuisance trips and downtime. Application: Ideal for motor control centers and large distribution panels where small current protection is required without compromising reliability. Feature: Class RK1 fuse class with non-indicating status. Business Impact: Aligns with industry-standard protection schemas, simplifying coordination across devices and parts inventories. Application: Suitable for large switchboards and power panelboards requiring proven RK1 performance. Feature: Nickel-plated caps. Business Impact: Improves corrosion resistance and longevity in harsh industrial environments, lowering maintenance costs. Application: Long-life protection in rugged facilities and outdoor or humid installations. Feature: Standard packaging and dimensions (3 in x 3 in x 11 in). Business Impact: Streamlines retrofits and replacements, reducing downtime during maintenance windows. Application: Fits common Bussmann LPN racks and panel enclosures for quick scalability. Feature: Time-delay protection with current-limiting action. Business Impact: Balances selective protection with fast fault clearing, enhancing equipment uptime. Application: Critical for MCCs and distribution schemes with mixed load profiles and high inrush conditions.
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FAQs
Yes. The LPNRK3-2/10SPNP is designed for usage in large distribution switchboards and motor control centers within the Bussmann series. It fits standard fuse holders and rack configurations used for LPN protection products, enabling straightforward retrofits and replacements without specialized tools. Always confirm holder type and catalog compatibility from Eaton's current datasheets before installation.
Key specs include a 0.2 A amperage rating, time-delay operation, current-limiting capability, and Class RK1 protection. The fuse is non-indicating and features nickel-plated caps. These attributes deliver selective protection in require-controlled circuits while tolerating inrush events typical of large switchboards and MCCs, minimizing nuisance trips.
This fuse is recommended for large distribution switchboards, power panelboards, and motor control centers where selective coordination is critical. Its low 0.2 A rating suits control circuits and protection of sensitive feeders, while the time-delay, current-limiting characteristics help manage inrush currents without compromising fault protection. Use in applications within the Bussmann LPN family for consistent performance.
The data indicates Certifications: Contact Manufacturer and Compliances: Not Applicable. For specific CE, SIL, or IP certifications, consult Eaton directly or review the latest Eaton specification sheets to confirm regulatory status for your region and application requirements.
The fuse's nickel-plated caps enhance durability, reducing wear in frequent cycling environments and lowering replacement frequency. Standard packaging and dimensions simplify stocking and maintenance, decreasing downtime during swaps. Its selective protection and reliable fault clearing help prevent unnecessary outages, contributing to lower maintenance costs and improved system uptime over the equipment lifecycle.