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    4A 1 pole 10kA Miniature Circuit Breaker

    4 amp miniature circuit breaker with standard ratings of 10kA short circuit interrupting capacity at 230/400V AC single voltage, standard 35 mm DIN rail mounting. The mcb circuit breaker has b curve, c curve and d curve characteristic to suit most applications.
    SKU: ATO-MCB-1P04
    This product has a minimum quantity of 30
    Free Shipping Worldwide
    Delivery date: 6-12 days

    Circuit Breaker Information

    • Model: ATOCLXB1-04
    • Rated Current: 4A
    • Rated Voltage: 230/400V AC, 50Hz/ 60Hz
    • Number of poles: 1 pole
    • 10 kA short circuit breaking capacity
    • Accordance with IEC standard
    • Possibility for locking the toggle in ON or OFF position
    • Three different trip characteristics, including B, C and D curves, give you the ability to configure the exact protection scheme you required

    Miniature circuit breaker is ideal for the protection of circuits in industrial, commercial, and residential sectors, and ensures the following functions: Protection against short-circuit and overload currents, isolation, protection of persons against indirect contact.

    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 (Unit: mm)

    circuit breaker dimensionTips: Circuit breaker maintenance
    Circuit breaker should be maintained to prevent from failure and leakage.

    1. Keep circuit breaker clean and air dry in use. Otherwise it may cause the following consequences: The insulation caused by the broken main contact makes the voltaic arc re-ignite and even generates the burst of arc extinguish chamber. The dielectric strength of supported porcelain bottle and arc extinguishing chamber is reduced, resulting in discharging. patent leather, rust and others may block the gas port, leading to the malfunction of main contact and congestion. If foreign bodies enter into the arc extinguishing chamber, it may bring about the burning of non-linear resistance due to long-term electricity caused by poor contact of main contact, even the burst of non-linear resistance porcelain bottle.
    2. Change the rubber parts regularly. The main circuit breaker is a pneumatic and electrical device with complicated structure. The rubber parts should be regularly replaced because components of main circuit breaker have high standard for sealing performance.
    3. Check main components regularly. The main components should be regularly checked to maintain a good technical condition.
    4. Clear carbide or metal particles inside the arc cover. If the arc cover is broken, it should be replaced. If there are small metal particles on the surface of main contact, they should be removed by gently wiping, rather than grinding.
    5. In the process of switching on and off, the movable parts and the parts of arc extinguish chamber work smoothly without blocking. If specific noise occurs from the iron core, the core surface should be cleaned up and the transmission mechanism should be injected with lubricating oil.
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