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Product Review

  • Protect lighting, heating and other circuits up to 250Vac, that are not subject to temporary surges and where available short-circuit currents are relatively low.
  • For motor and main panel protection, use Fusetron heavy-duty time-delay cartridge fuses (FRN-R).
  • Protect lighting, heating, and other circuits not subject to temporary surges and where available short-circuit currents are relatively low
  • ONE-TIME fuses do not have a time delay feature and thus should not be specified in circuits where large transients or motor overloads occur
  • For general purpose circuits, size at ampere rating of circuit
  • For motor circuits, size at 300% to 400%
  • UL Listed - 250Vac: Class K5 (0-60A), Std. 248-9