Bussmann Fusetron FRN-R-10 10A Time Delay Fuse Class RK5 250V The Bussmann Fusetron FRN-R-10 is a 10-amp, 250-volt, dual-element, time-delay fuse designed to provide reliable protection for motors and other inductive loads. As a Class RK5 fuse, it offers both overload and short-circuit protection, ensuring the safety and longevity of electrical systems. Key Features Dual-Element Design: Incorporates separate overload and short-circuit elements, allowing for precise sizing up to 125% of motor full load amperage (FLA). Time-Delay Capability: Provides a minimum of 10 seconds delay at 500% of rated current, accommodating temporary inrush currents without nuisance tripping. High Interrupting Rating: Rated at 200,000 amperes interrupting capacity (AIC) at 250 VAC and 20,000 AIC at 125 VDC, ensuring robust performance under fault conditions. Energy Efficiency: Fusetron fuses are on average 23% more energy efficient than the next leading brand, contributing to overall system efficiency. Versatile Applications: Suitable for use in power panelboards, motor control centers, combination starters, and machinery disconnects. Specifications Amperage Rating: 10 A Voltage Rating: 250 VAC / 125 VDC Interrupting Rating: 200 kA at 250 VAC; 20 kA at 125 VDC Fuse Class: RK5 Body Dimensions: 0.56 inches in diameter x 2 inches in length Material: Fiberglass Mounting Type: Holder Terminal Type: Ferrule Certifications and Standards UL Listed, Standard 248-12, Class RK5, Guide JDDZ, File E4273 CSA Certified, C22.2 No. 248.12, Class 1422-01, File 53787 CE Certified The Bussmann Fusetron FRN-R-10 fuse is engineered to deliver dependable protection and energy efficiency, making it an ideal choice for safeguarding motors and other critical components in various industrial applications.