Bussmann Fusetron 600VAC 45A Fuse FRS-R-45

Bussmann Fusetron 600VAC 45A Fuse FRS-R-45

The Bussmann Fusetron FRS-R-45 is a 45-amp, 600-volt AC, dual-element, time-delay fuse designed for industrial applications requiring reliable overcurrent protection. Its Class RK5 designation ensures compatibility with a wide range of electrical systems.

Key Features

• Dual-Element Design: Provides advanced protection by allowing temporary overloads, such as motor startups, without compromising safety.
• Time-Delay Capability: Offers a minimum 10-second delay at 500% of the rated current, accommodating inrush currents without nuisance tripping.
• High Interrupting Rating: Rated at 200,000 amperes interrupting capacity (AIC) at 600 VAC, ensuring robust performance in high-fault scenarios.
• Current-Limiting: Reduces the let-through energy during fault conditions, minimizing potential damage to equipment.
• Versatile Voltage Rating: Suitable for systems operating at 600 VAC and 250 VDC, offering flexibility across various applications.

Specifications

• Amperage Rating: 45 A
• Voltage Rating: 600 VAC / 250 VDC
• Interrupting Rating: 200 kAIC at 600 VAC; 20 kAIC at 250 VDC
• Response Time: 10 seconds at 500% of rated current
• Fuse Class: RK5
• Connection Type: Ferrule end x ferrule end
• Dimensions: 1.06 inches in diameter x 5.5 inches in length

Applications

The FRS-R-45 fuse is ideal for protecting circuits in combination starters, motor control centers, machinery disconnects, and power panelboards. Its time-delay feature makes it particularly suitable for circuits with high inrush currents, such as those involving motors and transformers.

Compliance and Certifications

• UL Listed, Standard 248-12, Class RK5, Guide JDDZ, File E4273
• CSA Certified, Class 1422-02, File 53787
• CE Marked

For detailed technical information, refer to the Bussmann series FRS-R 600 V Class R fuse data sheet.