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FRN-R - Time-Delay Fuses

General Description

Advanced protection, energy efficient Class RK5 dual element, current-limiting, time-delay fuses with optional open fuse indication on select ratings.

10 seconds (minimum) at 500% of rated current (8 seconds for 1⁄10-30A sizes).

Key Features

  • rcuit 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.

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Datasheet Details

Part number FRN-R
Manufacturer Cooper
File Size 280.73 KB
Description Time-Delay Fuses
Datasheet download datasheet FRN-R Datasheet

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Full PDF Text Transcription (Reference)

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FUSETRON™ 250V Class RK5 FRN-R — 250Vac/125Vdc, 1⁄10-60A, Dual Element, Time-Delay Fuses Dimensions - in 2" (± 0.31) 0.56" (±0.008) 1/10 to 30A 3" (± 0.31) 0.81" (±0.008) 35 to 60A Description: Advanced protection, energy efficient 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). Catalog Symbol: FRN-R-(amp) (non-indicating) FRN-R-(amp)ID (indicating) Ratings: Volts — 250Vac, 125Vdc Amps — 1⁄10-60 Amps IR — 200kA Vac RMS Sym. — 20kA Vdc Agency Information: CE, UL Listed, Std. 248-12, Class RK-5, Guide JDDZ, File E4273 CSA Certified, C22.2 No. 248.