Overview
This lot of three Bussmann LPS-RK-60 cartridge fuses represents a cost-effective way to stock replacement protection for industrial electrical systems. The LPS-RK-60 60A 600V fuse is part of the Bussmann Low-Peakâ„¢ series, engineered for dual-element, time-delay performance with current-limiting capability. Each fuse is rated for 600 Vac / 300 Vdc operation, making them suitable for a wide range of control and power circuits.
Key Features
- Class RK1 dual-element time-delay fuse with current-limiting design
- 300 kA interrupting rating at 600 Vac; 100 kA at 300 Vdc
- 10-second response time at 500% overload for selective coordination
- Ferrule end terminals for direct cartridge holder mounting
- Non-indicating design with insulated end caps for safety
- UL, CSA, and CE certified for industrial applications
Technical Specifications
- Part Number: LPS-RK-60 (LPS-RK-60SP)
- Amperage: 60 A
- Voltage Rating: 600 Vac / 300 Vdc
- Fuse Class: RK1
- Type: Dual-element, time-delay, current-limiting
- Interrupt Rating: 300 kA @ 600 Vac; 100 kA @ 300 Vdc
- Dimensions: 1.06 in. diameter × 5.5 in. length
- Terminal Type: Ferrule
- Response Time: 10 seconds at 500% overload
- Certifications: UL, CSA, CE
- Quantity: 3 fuses per lot
Typical Applications
Bussmann LPS-RK-60 fuses are ideal for protecting:
- Motor feeder and branch circuits
- Transformer primary circuits
- Solenoid and contactor loads with high inrush current
- Industrial control panels and distribution systems
- Equipment requiring Class RK1 coordination and selective protection
Compatibility & Replacements
Compatible With
- Standard cartridge fuse holders rated for Class RK1 fuses
- 60 A Class RK1 fuse blocks (such as Bussmann RM60060 series)
- Industrial electrical systems designed for 600 Vac / 300 Vdc operation
- Motor control centers and distribution panels
- Equipment with ferrule-terminal fuse mounting
Replaces / Drop-In Replacement For
- LPS-RK-60SP (primary catalog designation)
- Other LPS-RK-60 variants without suffix designation
- Equivalent Class RK1 60A 600V cartridge fuses from alternate manufacturers
Works With
- UL recognized fuse blocks and holders for Class RK1
- NFPA 70 (National Electrical Code) compliant systems
- Equipment requiring time-delay (dual-element) protection
- Industrial control systems operating at 600 Vac nominal








