KLKR020 - KLKR Series Class CC Fuse

The KLKR020 fuse from the Littelfuse KLKR Series is a fast-acting Class CC fuse designed for general-purpose branch circuit protection. It is ideal for OEM equipment, control panels, and lighting solutions requiring fast overload response and current limiting to protect solid-state components such as SCRs. This fuse is suitable for electrical distributors and switchgear suppliers seeking compact, reliable protection for wire and cable circuits up to 600 V AC and 300 V DC.

Specifications

• Manufacturer: Littelfuse
• Amperage Rating: 20 A
• Voltage Rating: 600 V AC, 300 V DC
• Interrupting Rating: 200,000 A AC, 20,000 A DC
• Material: Body - melamine; Caps - nickel-plated bronze
• Dimensions: 1.88 in (47.8 mm) length, 0.85 in (21.6 mm) diameter
• Fuse Weight: Approximately 0.034 lb (15.42 g) for 1¬Ω‚Äì30 A range
• Applicable Standards: UL 248-4, Class CC
• Certifications: UL Listed (File: E81895), CSA Certified (File: LR29862), CE Declaration of Conformity, RoHS Compliant
• Country of Origin: Mexico
• Watts Loss at 100% Rated Current: 2.3 W
• Watts Loss at 80% Rated Current: 1.39 W

Features

• Fast-acting design for rapid overload protection
• Current-limiting to reduce damage from short-circuit heating and magnetic effects
• Rejection capability prevents substitution with lower rated fuses, ensuring proper protection
• Compact size saves panel space while providing superior branch circuit protection
• 200,000 A interrupting rating at 600 V AC for high fault current applications
• Complies with UL and CSA standards for safety and reliability

Downloads & Links

• KLKR Series Datasheet
• UL JDDZ E81895
• KLKR_Series pdf
• CE KLKR Series
• ICPTest_KLKR_new pdf
• China_RoHS_KLKR020 T_04 02 2018 pdf
• ChinaRoHS_KLKR pdf
• ICPTest_KLKR 10 22 2012 pdf
• CSA 1422-02 029862