Bussmann FRN-R-20 20A 125Vdc Fuse

SKU: 540-0201

Bussmann, FRN-R-20, 20A Class RK5 Cartridge Fuse, 250Vac, Qty. 1, FRN-R-20

Eaton Bussmann® series advanced protection, energy efficient FRN-R Class RK5 dual element, current-limiting, time-delay fuses with optional open fuse indication on select ratings. Time-delay – 10 seconds (minimum) at 500% of rated current (8 seconds for 1⁄10-30A sizes).


• Provides motor overload, ground fault and short-circuit protection

• Helps protect motors against burnout from overloads

• Helps protect motors against burnout from single-phasing on three-phase systems

• Simplifies and improves blackout prevention (selective coordination)

• Dual-element fuses can be applied in circuits subject to temporary motor overloads and surge currents to provide both high performance short-circuit and overload protection

• The overload element provides protection against low level overcurrent of overloads and will hold an overload which is five times greater than the ampere rating

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