Bussmann FRS-R 200 Amp fuse 600 V

Trustworthy time-delay protection: Bussmann FRS‑R 200 Amp fuse

The Bussmann FRS‑R 200 Amp fuse is a heavy-duty Class RK5 cartridge fuse designed for industrial applications, delivering superior circuit protection for motors, feeders, and distribution systems. Built to withstand high inrush currents and short-circuit events, this fuse ensures both safety and operational reliability.

Key advantages

• 600 VAC / 300 VDC voltage rating ensures versatility in various power systems

• 200 Amp capacity, ideal for large motor circuits and industrial feeders

• Class RK5 dual-element, current-limiting, time-delay design tolerates startup surges yet responds swiftly to faults

• Time-delay rating: holds for at least 10 s at 500% of rated current

• High interrupt capacity: 200 kA RMS Symmetrical at 600 V AC, 20 kA at 300 V DC
  

Specifications at a glance

• Dimensions: 9.63″ length × 1.61″ diameter

• Weight: ~1.03 lb per fuse

• Interrupt Rating: 200 kA (AC), 20 kA (DC)

• Standards: UL 248‑12, CSA C22.2 No. 248.12, CE marked

• Body: Fiberglass cartridge with blade-end terminals, non-indicating design

Industrial applications

This fuse excels in:

• Motor control centers and compressors

• Heavy-duty feeders in industrial plants

• HVAC systems and refrigeration units

• Power distribution in commercial facilities

• Circuits with frequent motor startups

The current-limiting and time-delay attributes enable precise protection while minimizing unwanted power interruptions.

Installation & best practices

• Installs in fuse holders designed for 65–200 A RK5 fuses

• For specific holder sizing, consult RM60200 fuse block data

• Ensure torque specs and clean contacts during installation

• Replace only with the same class and rating to maintain safety standards