Description
The Littelfuse KLKR001 Fast-Acting Class CC Cartridge Fuse provides reliable overcurrent and short-circuit protection for industrial electrical equipment, control panels, and sensitive electronic circuits. Part of the Littelfuse POWR-GARD KLKR Series, this 1 Amp fuse features a compact, current-limiting design that helps protect electrical components from damage caused by excessive current.
Rated for 600VAC and 300VDC applications, the KLKR001 offers high interrupting capacity and fast-acting performance, making it suitable for OEM equipment, industrial controls, and electrical distribution systems. Its Class CC rejection-style design helps prevent installation of incompatible lower-rated fuses when used with appropriate fuse holders.
Features
- Fast-Acting Protection: Quickly responds to overcurrent and short-circuit conditions to help protect sensitive equipment.
- 1 Amp Current Rating: Designed for circuits requiring 1A overcurrent protection.
- High Voltage Rating: Rated for 600VAC and 300VDC applications.
- Class CC Design: Compact cartridge fuse with a rejection-style configuration for compatible fuse holders.
- High Interrupting Capacity: Rated for 200kA AC and 20kA DC interrupting capacity.
- Current-Limiting Performance: Helps minimize electrical and thermal damage during short-circuit events.
- Durable Construction: Melamine body with nickel-plated bronze end caps.
- Industry Certifications: UL Listed, CSA Certified, and RoHS Compliant.
Product Specifications
- Manufacturer: Littelfuse
- Part Number: KLKR001
- Series: POWR-GARD KLKR
- Product Type: Cartridge Fuse
- Fuse Class: CC
- Amperage: 1 Amp
- Voltage Rating: 600VAC / 300VDC
- Speed: Fast-Acting
- AC Interrupting Rating: 200kA
- DC Interrupting Rating: 20kA
- Dimensions: 1.5″ Length x 0.406″ Diameter
- Body Material: Melamine
- End Cap Material: Nickel-Plated Bronze
- Mounting: Compatible Class CC Fuse Holder
- Certification: UL, CSA
- Country of Origin: Mexico
Applications
- Industrial electrical control panels
- HVAC electrical control circuits
- OEM equipment protection
- Electronic control systems
- Motor control and automation equipment
- General-purpose branch circuit protection
Installation Note: Verify amperage, voltage, fuse class, and equipment requirements before installation. Replace only with a properly rated fuse approved for the application.







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