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    3 amp 1 pole Miniature Circuit Breaker

    5 out of 5 based on 1 reviews | Write a review
    $57.49
    Single pole mini circuit breaker with 3A current rating, offer optimum and efficient protection for branch and control circuits. The 6kA breaking capacity of this mcb makes it ideal for commercial and industrial applications.
    SKU: ATO-MCB-1P03
    Free Shipping Worldwide
    Delivery date: 6-12 days

    Circuit Breaker Information

    • Rated Current: 3 amp
    • Rated Voltage: 230/400V AC, 50Hz
    • Number of poles: 1 pole
    • 6 kA short circuit breaking capacity
    • Accordance with IEC standard
    • Standard 35 mm DIN rail mounting
    • C curve trip characteristic gives you the ability to configure the exact protection scheme you required

    Technical Data

    Model ATO-NB8-631PC03
    Electrical Parameters Height 86 mm
    Width 18 mm per pole
    Mounting DIN Rail
    Rated Current (In) 3A
    Number of poles 1P
    Rated Voltage (Ue) 230/400V
    Rated Insulation Voltage (Ui) 500V
    Dielectric Test Voltage 2000V
    Reted Frequency 50Hz
    Short Circuit Interrupting Capacity 6KA
    Trip Characteristic C Curve (5-10In)
    Rated Short-Circuit Breaking Capacity 6000A
    Operating Short-Circuit Breaking Capacity 6000A
    Mechanical Parameters Electrical Life 10000 times
    Mechanical Life 20000 times
    Flame Retardant Grade V0
    Protection Degree Direct installation: IP20B
    Installed in the distribution box: IP40B
    Calibration Temperature 30℃
    Operating Temperature -35℃~+70℃
    Storage Temperature -35℃~+85℃
    Tightening Torque 2 N.m
    Max. Tolerable Torque 2.5 N.m
    Terminal Size Acceptability–Min/Max 1 mm2 / 25mm2
    Wire Insertion Depth 13mm

    Circuit Breaker Dimension (Unit: mm)

    3 amp 1 pole Miniature Circuit Breaker Dimensions

    Tips: Difference among circuit breakers 1P, 1P + N, 2P
    Circuit breakers used in single-phase circuit include three types including 1P, 1P + N, 2P.

    1. Among them, 1P circuit breaker is used to cut off the firing line and monitor the current on the firing wire, providing protection for the firing line like tripping once the current on the firing line reaches certain rated current.
    2. 1P + N circuit breaker is used to cut off firing line and null line, providing protection to the firing line by only detecting the fire line not the null line.
    3. 2P circuit breaker is used to cut off firing line and null line and detect the current on them.

    Standard lamp circuit is taken the form of 1P or 1P + N circuit break. Socket circuit should be attached with electric leakage protection accessories. Standard five-hole socket is installed with 1P or 1P + N residual current breaker and three-hole socket with 2P residual current circuit breaker.

    Existing reviews of 3 amp 1 pole Miniature Circuit Breaker
    Works great!
    This MCB works great with my solar panels. Quality is good and it is easy to install. It is very compact and more affordable than other suppliers. I love this miniature circuit breaker and I will buy this again.
    From: Cynthia | Date: 23/05/2022
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