The Bussmann 25 Amp FRN-R Cartridge Fuse is a heavy-duty, dual-element, time delay fuse designed specifically for motor protection. This essential electrical component is engineered to safeguard motors from burnout caused by overloads or single phasing. With its time delay feature, it allows the initial startup surge for typical motors to pass through, while still providing protection by opening before burnout occurs during prolonged dangerous overloads. This fuse is UL (Underwriter's Laboratories) listed and boasts a Class R 200,000 Amp Interrupting Rating (AIR), ensuring reliability and safety in various applications.

Key Features:
- Amperage: 25 Amps
- Fuse Type: FRN-R Cartridge
- Fuse Function: Heavy-Duty Time Delay
- Class: RK5
- Diameter: 0.5625 inches
- Length: 2 inches
- Voltage: 250 Volts
- Certification: UL Listed
- Designed for use in power panel boards, motor control centers, combination starters, and machinery disconnects
- Fiberglass tubes for enhanced durability
- Minimum 10-second delay at 500 percent design
- Ideal for protecting motors from overloads and ensuring operational efficiency

Use Cases:
This Bussmann FRN-R Cartridge Fuse is perfect for industrial and commercial applications where motor protection is critical. It is commonly used in power distribution systems, motor control centers, and various machinery setups. By incorporating this fuse into your electrical system, you can ensure that your motor operates safely and efficiently, reducing the risk of costly downtime and repairs.