40-amp Type Frn-r Cartridge Fuse, 2-pk.

Experience the reliability of the Bussmann 40A FRN-R Time-Delay Cartridge Fuse, engineered for demanding motor circuits. This rugged dual-element unit features a cartridge design with ceramic insulation and a robust body suited for harsh industrial environments. The time-delayed action lets normal startup surges pass unhindered, while safeguarding the motor from extended overloads and single-phase conditions. UL-listed with Class R 200,000 AIR interrupting rating, it’s built to operate safely at up to 250 volts. Ready in a convenient 2-pack for maintenance and replacements.

Why choose this fuse? It protects motor loads from burnout due to overcurrent, reduces unplanned downtime, and provides dependable performance across demanding applications.

• Trip Characteristics: Time-delay design preserves startup surges for motors while preventing prolonged overload damage, ideal for motor protection in industrial equipment.
• Electrical Rating: 250V operation with a strong Class R 200,000 AIR interrupting rating ensures safe fault clearance in electrical panels.
• Construction: Heavy-duty FRN-R cartridge with dual-element construction for enhanced durability and reliable performance.
• End Styles: Ferrule ends (1/10 A–60 A) and knife-blade ends (70 A–200 A) provide versatile mounting options for different amperages.
• Pack Size: Sold as a 2-pack for convenient stocking and quick replacements across circuits.

Bottom Line & Application: This Bussmann FRN-R fuse blends robust protection with startup tolerance, making it ideal for motor-start circuits in industrial controls, HVAC units, and manufacturing lines. The rugged cartridge design and UL listing ensure dependable performance and easy maintenance in harsh environments. With a 2-pack, keep ready replacements on hand to reduce downtime and keep systems running smoothly.