Fuse, Time Delay, Class RK5, FRS-R Series, 60A

  • Item # 1A707
  • My Part #
  • Mfr. Model # FRS-R-60
  • Catalog Page # 177
  • UNSPSC # 39121604
Fuse,  Time Delay,  Class RK5,  FRS-R Series,  60A close
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Primary Category:
~Electrical~Fuses~Class RK5 Fuses

$32.75 / each
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Product Details

These 600VAC UL Class RK5 fuses are time delay and nonindicating. They tolerate temporary inrush currents without opening, which prevents nuisance-blowing from motor and equipment startups. Also called slow-blow Class RK5 fuses, these 200kA IR fuses open to disconnect an electrical circuit when exposed to sustained loads and short circuits. They have no indicator for identifying a blown fuse, so they're sometimes used with an indicating fuse block or cover.

UL Class RK5 fuses provide moderate current limitation for general use applications where more current-limiting RK1 fuses aren't needed. These fuses have an interrupting rating (IR) of 200kA and are the same size as Class H and K fuses, but have a rejection feature that prevents an accidental downgrade from a current-limiting system. Their modified terminals ensure a match with the rejection clips in Class R fuse holders that prevent the installation of fuses with a lower interrupting capacity. They're typically used in newer equipment, but can also be used with a Class H fuse holder to upgrade older installations from Class H or K fuses for improved overcurrent protection. They are current-limiting to prevent electrical damage by disconnecting circuits before they're exposed to the full magnitude and duration of an overcurrent.

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Technical Specs

  • Item Fuse
  • Amps 60A
  • AC Voltage Rating 600VAC
  • DC Voltage Rating 250VDC
  • Class RK5
  • Series FRS-R
  • Visual Indication Nonindicating
  • Speed Time Delay
  • Body Style Cylindrical
  • Fits Fuse Block Style Rejection
  • Interrupt Rating 200kA at 600VAC, 20kA at 250VDC
  • Fuse Size 5-1/2" L x 1-1/16" dia.
  • Length 5-1/2"
  • Diameter 1-1/16"
  • Equivalent Brand and Series Bussmann FRS-R, Edison ECSR, Littelfuse FLSR, Mersen TRS-R
  • Equivalent Series ECSR, FLSR, FRS-R, TRS-R
  • Compatible Fuse Block Series 1BR, R600
  • Body Material Fiberglass
  • Element Dual
  • Standards CE, UL 248-12 Guide JDDZ, CSA Certification Class 1422-01
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