The Bussmann Fusetron FRN-R-2¼ is a dual-element, time-delay Class RK5 fuse designed to provide superior protection for electrical circuits. This lot includes seven fuses, each rated at 2.25 amperes, suitable for applications requiring precise overcurrent protection.
Key Features
- Dual-Element Design: Offers both overload and short-circuit protection, ensuring comprehensive safety for electrical systems.
- Time-Delay Capability: Provides a minimum of 10 seconds delay at 500% of the rated current, allowing temporary surges without unnecessary fuse operation.
- Current Limiting: Limits the let-through energy during short-circuit events, reducing potential damage to downstream equipment.
- High Interrupting Rating: Rated for 200,000 amperes RMS symmetrical at 250 volts AC, ensuring reliable performance under high fault conditions.
- Versatile Voltage Ratings: Suitable for use in circuits up to 250 volts AC and 125 volts DC.
Applications
Ideal for protecting motors, transformers, and other inductive loads, the FRN-R-2¼ fuses are commonly used in:
- Motor control centers
- Power panelboards
- Combination starters
- Machinery disconnects
Specifications
- Amperage Rating: 2.25 A
- Voltage Rating: 250 V AC / 125 V DC
- Interrupting Rating: 200 kA at 250 V AC / 20 kA at 125 V DC
- Fuse Class: RK5
- Element: Dual
- Response Time: 10 seconds at 500% of rated current
Dimensions
- Diameter: 0.56 inches
- Length: 2 inches
These fuses are UL Listed and CSA Certified, meeting industry standards for safety and performance. Their dual-element construction allows for closer sizing to motor full-load amperes (FLA), enhancing protection while minimizing unnecessary openings due to temporary inrush currents.
By choosing the Bussmann Fusetron FRN-R-2¼ fuses, you ensure reliable and efficient protection for your electrical systems, reducing downtime and safeguarding equipment against overcurrent conditions.
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