Littelfuse LFR250303C Fuse Block Class R 30A 250V Bolt-In DIN Rail

The LFR250303C from Littelfuse is an exemplary addition to any electrical system, designed specifically for use with non-knife blade style fuses. This Class R fuse block is remarkably user-friendly, requiring only one hand for quick attachment or release from a DIN Rail, which enhances both convenience and efficiency during installation and maintenance. Its design incorporates reinforcing clips standard across all units, ensuring robust electrical contact while effectively minimizing heat rise, a crucial feature for maintaining system integrity. With a 30 ampere rating and compatibility for both 250V and 600V applications, this fuse block also boasts universal mounting holes, allowing for straightforward replacement in various setups. While the indicating versions enhance user awareness, the ease of use and reliable performance of this model makes it a dependable choice for professionals needing to ensure safe electrical operations.

• One-hand snap-on and release from DIN rail
• Reinforced fuse clips minimize heat rise and ensure reliable contact
• Compatible with Class R non-knife blade style fuses
• Universal mounting holes for flexible installation and replacement
• Bolt-in terminal design with box lug terminals for secure wiring
• UL Listed and CSA Certified for verified safety compliance
• Supports 30 ampere rating at 250 V with 10 kA interrupt rating
• Accepts 6-14 AWG copper wire, solid or stranded
• Thermoplastic base with UL94 V-0 flammability rating
• Tin plated copper alloy fuse clips resist corrosion and enhance conductivity

• Ampere Rating: 30 A
• Voltage: 250 V
• Fuse Type: Class R
• Interrupt Rating: 10 kA
• Mounting Method: Bolt-In / DIN Rail
• Terminal Type: Box Lug
• Suggested Torque: 2.8 N-m (25 in-lbs)
• Wire Range: 6-14 AWG Cu only, Solid/Stranded
• Operating Temperature: 125 °C
• Material Base: Thermoplastic
• Material Fuse Clip: Tin plated copper alloy
• Material Box Lug: Aluminum
• Material Pressure Plate: Zinc plated steel
• Material Screw: Zinc plated steel
• Flammability Rating: UL94 V-0
• Compliance: UL Listed, CSA Certified
• Indicating: No

Environmental Info

Datasheets

Certification