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    2A 4 pole 5kA Miniature Circuit Breaker

    UL 1077-compliant miniature circuit breaker, 2 amp, 4 pole, with 5 kA short circuit breaking capacity at 277/480V AC, and 3 different trip characteristics available, is designed for short circuit and overload protection.
    SKU: ATO-MCB-4P02
    This product has a minimum quantity of 30
    Free Shipping Worldwide
    Delivery date: 6-12 days

    Circuit Breaker Information

    • Model: ATOCLXB4-02
    • Rated Current: 2 amp
    • Rated Voltage: 277/480V AC, 50Hz/ 60Hz
    • Number of poles: 4 pole
    • 5 kA short circuit interrupting capacity
    • Complete range of UL 1077 listed and 35mm DIN rail mounted
    • It can be manually switched ON and OFF as similar to normal switch if necessary
    • Thermal-magnetic overcurrent protection, three levels of short circuit protection, categorized by B, C and D curves

    Technical Data

    Standard Certifications IEC UL1077
    Electrical Parameters Height 86 mm
    Width 18 mm per pole
    Mounting DIN Rail
    Rated Current (In) 1A, 2A, 3A, 4A, 6A, 10A, 13A, 16A, 20A, 25A, 32A, 40A, 50A, 63A (Available)
    Number of poles 1P, 2P, 3P, 4P (Available)
    Rated Voltage (Ue) (Optional) 240/415V or 230/400V 277/480V
    Rated Insulation Voltage (Ui) 500V
    Reted Frequency 50Hz/60Hz
    Short Circuit Interrupting Capacity (Optional) 6/10KA 5KA
    Trip Characteristic (Optional) B Curve (3-5In) B Curve (4In)
    C Curve (5-10In) C Curve (7In)
    D Curve (10-20In) D Curve (14In)
    Mechanical Parameters Electrical Life 8000 times
    Mechnical Life 10000 times
    Protection Degree IP20
    Calibration Temperature 30
    Operating Temperature -5℃~+40℃
    Storage Temperature -25℃~+70℃
    Tightening Torque 22 Ib-in (2 Nm)
    Terminal Size Acceptability–Min/Max 2.5 mm2(12 AWG) / 25mm2(3 AWG)

    Circuit Breaker Dimension (Unit: mm)

    circuit breaker dimensionTips: Basic requirements for the operating mechanism of a circuit breaker
    Because the effective and reliable movement of a circuit breaker depends on the performance and quality of the operating mechanism in a larger degree, according to the different circuit breakers, the equipped operating mechanism must satisfy the required property and reliability. It mainly includes the following points:

    1. Possess the closing maintaining function. When the operating command lasts a short period and the operating function has short coordination, there must be a closing maintaining mechanism, so as to ensure that the circuit breaker is still in the closing position after the closing command and operating function disappear.
    2. Possess a relatively short separating time. The closing time should be irrelevant to the action speed of the operator and the time length of command transmitting. At least, the separating speed must be required to not likely to result in the arc reignition, so as to shorten the separating time as much as possible and reduce the existing time of the short-circuit fault, thus improving the stability of the power system and minimizing the fault scope as much as possible.
    3. Possess an anti-pumping equipment. In order to avoid the continuous multiple phenomenon of the circuit breaker after closing, it is necessary to use mechanical or electric method, so that the circuit breaker can not be divided and closed after the break, so as to reduce unnecessary actions.
    4. Possess an interlock equipment. With the interlock equipment in the operating mechanism, the reliability of the circuit breaker can be guaranteed. As a result, when the circuit breaker is in a kind of status, being affected by the wrong action of the operating mechanism, the general operating mechanism must possess separating position interlock, low-pressure and high-pressure interlock, position interlock in the spring mechanism and so on.
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