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    63A 4 pole 10kA Miniature Circuit Breaker

    Miniature circuit breaker with 4-pole, 63 ampere current rating, excellent breaking capability of 10kA at 230/400V AC voltage, and B, C and D curves are optional to meet the different needs of applications.
    SKU: ATO-MCB-4P63
    This product has a minimum quantity of 30
    Free Shipping Worldwide
    Delivery date: 6-20 days

    Circuit Breaker Information

    • Model: ATOCLXB4-63
    • Rated Current: 63A
    • Rated Voltage: 230/400V AC, 50Hz/ 60Hz
    • Number of poles: 4 pole
    • 10 kA short circuit breaking capacity
    • Accordance with IEC standard
    • Possibility for locking the toggle in ON or OFF position
    • Trip-free design, breaker cannot be defeated by holding the handle in the ON position
    • Three different trip characteristics, including B, C and D curves, give you the ability to configure the exact protection scheme you required

    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 mm(12 AWG) / 25mm(3 AWG)

    Circuit Breaker Dimension

    circuit breaker dimensionTips: AC circuit breaker for DC circuit
    The AC circuit breaker can be derived to protect the DC circuit. However, the changes of the following three points should be paid attentions:

    1. Overload long time delay protection: When the thermal type (bimetallic element) is used for the overload long time delay protection, its action source is I2R. The effective value of AC current is equivalent to the average DC value. Therefore, it can be used without any modification. However, as to the heavy current specification and the secondary side current of the current transformer is used for heating, it can not be used because the instrument transformer is unable to be used for the DC current.
    2. As to the accessories of the circuit breaker, such as the shunt release, under-voltage release, electric operating mechanism and so on, the shunt and under-voltage are both in the voltage circuit. Once the voltage value is consistent, those used for the AC system can also be used for DC system without making any modification. The auxiliary and alarm contacts can be used for both AC and DC currents. The electric operating mechanism has to be redesigned if it is used for DC current.
    3. Unlike the AC current, the DC current has no characteristic of zero crossing point. It is difficult in breaking the DC short-circuit current (even the fault current with low multiplies) and extinguishing the arc. Therefore, the wiring must employ the dipolar or tripolar series connection to increase the fractures, so that various fractures will be able to sustain some arc energy.
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