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    1 amp 2 pole Miniature Circuit Breaker

    5 out of 5 based on 3 reviews | Write a review
    Low price 1 amp 2 pole miniature circuit breaker meets IEC standard to provide the supplementary protection for the electrical equipment with 6kA short circuit breaking capacity, trip characteristic of C curve. Compact size, DIN rail mounting and safe in use.
    SKU: ATO-MCB-2P01
    30-day Returns
    Free Shipping
    Delivery date: 6-12 days

    Mini circuit breaker (MCB) is an electrical Switch which automatically switches off the electrical circuit during an abnormal condition of the network means in overload condition as well as faulty condition.

    Circuit Breaker Information

    • Rated Current: 1 amp
    • Rated Voltage: 230/400V
    • Number of pole: 2 poles
    • 6 kA short circuit breaking capacity
    • Compliance with IEC standard
    • C curve trip characteristic gives you the ability to configure the exact protection scheme you required.

    Technical Data

    Model ATO-NB8-632PC01
    Electrical Parameters Height 86 mm
    Width 18 mm per pole
    Mounting DIN Rail
    Rated Current (In) 1A
    Number of poles 2P
    Rated Voltage (Ue) 230/400V
    Rated Insulation Voltage (Ui) 500V
    Dielectric Test Voltage 2000V
    Rated 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 Dimensions (Unit: mm)

    1 amp 2 pole Miniature Circuit Breaker Dimensions


    2 pole Miniature Circuit Breaker Details

    Tips: Short circuit protection of miniature circuit breaker

    The short-circuit protection function of the miniature circuit breaker is realized by the instantaneous release. According to the analysis of F=IN (the suction force is proportional to the product of the current and the number of turns), although the instantaneous release is connected in series in the circuit, when the circuit is working normally, because the small number of turns, the suction force generated by the normal working current is not enough to overcome the reaction force of the spring, the line can work normally. When the line is short-circuited or severely overloaded, a very high current flows through the induction coil to generate a strong magnetic field. Since the current generated is different from the normal working current by several times or even tens of times or more, the number of coil turns has not changed. , But the current has increased several times or even dozens of times, so the suction force has also increased several times or even dozens of times. Pushing the lever makes the circuit breaker trip quickly. Due to the large current, the tripping time of the circuit breaker is generally within 0.1s. Moreover, as long as the reaction spring is selected reasonably, it can meet the setting requirements of B curve, C curve and D curve instantaneous releases.

    Existing reviews of 1 amp 2 pole Miniature Circuit Breaker
    Great 2P MCB will not fail you
    I guarantee this 1 amp miniature circuit breaker very good quality, perfect fit and best product I ever bought. They are very cool and work great.
    From: Stults | Date: 29/06/2022
    Was this review helpful? Yes No (0/0)
    Good price 1A miniature circuit breaker
    I bought this 2P MCB for my solar panel interrupter between panels and controller in an RV. Worked great!
    From: txx | Date: 24/05/2022
    Was this review helpful? Yes No (0/0)
    Best breaker ever bought, work as expected.
    I don't write reviews very much but this one is beyond my expectations. It is suitable and works perfectly on my generator. A solid and well-made product. And thanks for the fast delivery.
    From: Michael | Date: 27/03/2022
    Was this review helpful? Yes No (0/0)
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