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FRN 3 1/2
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- Class RK5 Current limiting
- Most popular fuse for motor circuit protection because time delay handles harmless starting and inrush currents
- Application: Motor circuits, mains, feeders, branch circuits, transformers, service entrance equipment and general purpose protection
- Provides motor overload, ground fault and short circuit protection
- Helps protect motors against burnout from overloads and single phasing on three phase systems
- 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
- Overload element provides protection against low level overcurrent of overloads and will hold an overload which is five times greater than the ampere rating of the fuse for a minimum of ten seconds
- Voltage Rating; 250 Volts AC (or less), 125 Volts DC
- Dual-element Time-Delay 10 second (minimum) at 500% rated current
- Interrupt rating; 200,000 amp RMS sym. for AC voltages and 20,000 amp IC for DC voltages
- Ferrule/Cartridge & Knife Blade types
- Moisture resistant fiberglass body
- Fuse dimensions:
1/10-30A 2"L x 9/16" Dia.
35-60A 3"L x 13/16" Dia.
70-100A 5 7/8"L x 1 1/16" Dia.
110-200A 7 1/8"L x 1 9/16" Dia.
225-400A 8 5/8"L x 2 1/16" Dia.
450-600A 10 3/8"L x 2 9/16" Dia.