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Bussmann LPN-RK 30A Class RK1 Dual-Element Time-Delay Fuse
The Bussmann LPN-RK 30A Class RK1 Dual-Element Time-Delay Fuse is an Eaton Bussmann Low-Peak series fuse engineered for reliable overcurrent protection in commercial and industrial electrical systems. Rated 250 Vac and 125 Vdc, this dual-element, non-indicating fuse features a ferrule end x ferrule end termination for use in standard RK-type fuse blocks and holders. Its time-delay characteristic (8 sec at 500% rated current) allows it to ride through motor-starting inrush while its current-limiting design and 300 kAIC interrupt rating at 250 Vac (100 kAIC at 125 Vdc) deliver dependable short-circuit protection.
Key Features
- Amperage & Class: 30 A, Class RK1 dual-element construction fits standard RK fuse clips and holders for branch-circuit and motor-circuit protection.
- Time-Delay Performance: Opens in 8 sec at 500% of rated current, allowing momentary motor-starting and transformer inrush without nuisance opening.
- Current-Limiting Design: Restricts let-through energy during a fault for added downstream equipment protection.
- High Interrupt Rating: 300 kAIC at 250 Vac and 100 kAIC at 125 Vdc for safe operation on high-fault-current systems.
- Dual Voltage Rating: Rated 250 Vac, 125 Vdc for flexible AC/DC circuit applications.
- Ferrule End x Ferrule End: Non-indicating ferrule termination fits standard ferrule-type fuse blocks and disconnect switches.
- Electrically Isolated End Cap: Special end-cap design helps guard against accidental contact at the fuse terminal.
- Compact, Lightweight Body: .56 in height, .56 in width, 2 in length, and .5 lb weight for space-constrained enclosures.
Certifications & Compliance
- CE Marked
Technical Specifications
- Compliances: CE Marked
- Interrupt Rating: 300 kAIC at 250 Vac
- Product Height: .56 in
- Product Length Depth: 2 in
- Product Weight: .5 lb
- Product Width: .56 in
- Special Features: Electrically isolated end cap
- Voltage Rating: 250 Vac, 125 Vdc
- Product Type: Time Delay Fuses
- Item Quantity: 10
Typical Applications
- Motor Branch-Circuit and Feeder Protection
- Panelboard and Load Center Circuits
- Industrial and Commercial Electrical Distribution Equipment
- Ferrule-Type Fuse Block and Disconnect Switch Replacement
Why Bussmann?
Bussmann Low-Peak LPN-RK Class RK1 fuses combine current-limiting, time-delay performance with a high 300 kAIC interrupt rating and CE-marked compliance for demanding commercial and industrial applications. The dual-element, non-indicating design and electrically isolated end cap reflect Bussmann's focus on dependable, code-compliant overcurrent protection for professional electrical work.
Manufacturer Resources
Product Specs
- Amperage Rating:
- 30 A
- Class:
- Class RK1
- Compliances:
- CE Marked
- Connection:
- Ferrule end x ferrule end
- Fuse Indicator:
- Non-indicating
- Fuse Type:
- Time delay
- Interrupt Rating:
- 300 kAIC at 250 Vac
- Number Of Elements:
- Dual
- Packaging Type:
- Standard
- Product Height:
- .56 in
- Product Length Depth:
- 2 in
- Product Weight:
- .5 lb
- Product Width:
- .56 in
- Response Time:
- 8 sec at 500%
- Special Features:
- Electrically isolated end cap
- Voltage Rating:
- 250 Vac, 125 Vdc
- Product Type:
- Time Delay Fuses
- Product Group:
- Fuses
- Department:
- Electrical
- Product Subgroup:
- Time Delay Fuses
- Item Quantity:
- 10