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Altech 1CU4L Miniature Circuit Breaker

The Altech 1CU4L is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 4
  • Pole: 1
  • Trip Curve: C
  • UL 489 Listed, C22.2 No.5-02, EN 60947-2, CE
Price: $19.44
Retail: $30.94
    Part# 1CU4L
    Terminal ConfigurationBox Lugs
    Voltage Rating277 VAC
    Interrupting (kA)10kA
    Rated Frequency50/60 Hz
    Number of Poles1
    Rated Current (A)4
    Instantaneous Tripping TypeC (5~10 In)
    Inverse Time-Delays
    Over-Current Release Type
    Thermal-Magnetic
    Service Life
    (Electrical/Mechanical)
    6,000/10,000
    Protection DegreeIP 20
    Mounting35mm DIN Rail
    Standards489 Listed, C22.2 No.5-02, EN 60947-2, CE
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    Thomas R. Verified Customer   
    03-07-25

    It would be nice to know shipping leadtime prior to ordering.

    Michael P. Verified Customer   
    03-06-25

    Issues with website

    Nitish G. Verified Customer   
    03-06-25

    Very responsive and great support.