Features
  • .250" (6.35mm) Quick Connect terminals
  • Cannot be manually tripped
  • Visual trip indicator
  • Push button to reset breaker
  • R58 SeriesUL CSA

    Thermal Circuit Breaker
    Package Type

    NTE Type No.Current Rating (Amps)Typical Resistance (Ohms)
    R58-1A1.01.35
    R58-2A2.00.32
    R58-3A3.00.18
    R58-4A4.00.10
    R58-5A5.00.026
    R58-6A6.00.026
    R58-7A7.00.020
    R58-8A8.00.020
    R58-10A10.00.014
    R58-12A12.00.010
    R58-15A15.00.010
    R58-20A20.00.006
    R58-25A25.00.005
    R58-30A30.00.004
    R58-35A35.00.004

    Trip Times
    1 to 4 Amp Types5 to 35 Amp Types
    Rated
    Load
    Trip TimesRated
    Load
    Trip Times
    100%No Trip100%No Trip
    145%Trip in 1 Hr.145%Trip in 1 Hr.
    200%10 to 45 Sec.200%6.0 to 30 Sec.
    400%3.0 to 14 Sec.400%1.6 to 4.5 Sec.
    600%1.4 to 7.0 Sec.600%0.6 to 1.7 Sec.
    800%0.75 to 4.3 Sec.800%0.25 to 0.9 Sec.
    1000%0.5 to 3.4 Sec.1000%0.15 to 0.65 Sec.

    Dimensional Drawing

    Nut Drawing

    Electrical Specifications

    Electrical Characteristics (@ 25°C)
    Calibration: Will continuously carry 100% of rating.
    May trip between 101% and 144%, but must trip at
    145% of rating at +25°C.
    Maximum Operating Voltages:50 VDC; 250 VAC,
    @ 50/60 Hz
    Dielectric Strength: 1500VAC RMS
    Resettable Overload Capacity:Ten times rated current
    Interrupt Capacity: 2000 Amps @ 50VDC
    1000 Amps @ 250VAC

    Mechanical Characteristics
    Termination .250" (6.35mm) Quick Connect Terminals
    NOTE: Soldering to terminals is not recommended.
    Shock: Withstands to 10g
    Endurance Cycling: Over 1000 cycles @ 200% of rated load
    Vibration: Withstands to 10g @ 10 to 55 Hz.
    Weight: Less than 1.5ozs. (42.5g)

    NOTE: 30A and 35A devices NOT UL or CSA.

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