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    50 amp 1 pole Miniature Circuit Breaker

    5 out of 5 based on 1 reviews | Write a review
    $58.49
    Favorable price 1 pole miniature circuit breaker for sale, with short circuit protection, overload protection and circuit break protection functions, 50 amp rated current, DIN rail mounting, is an electrical switch to turn off the electrical circuit during a faulty condition to protect conductors.
    SKU: ATO-MCB-1P50
    30-day Returns
    Free Shipping
    Delivery date: 6-12 days

    50 amp single pole miniature circuit breaker (MCB) is a protective device used in electrical systems to protect circuits from damage caused by overcurrent or short circuits. This mini circuit breaker has protection functions of short circuit, overload, and circuit break, and can be mounted on a 35mm DIN rail.

    Single Pole MCB Breaker Features

    • Rapid arc extinguishing system: This single pole mini circuit breaker eliminates line danger, can sense even small currents, and provides sensitive protection.
    • Thermosetting shell: 1 pole MCB breaker uses thermosetting plastic, which solidifies or has insoluble characteristics under heat or other conditions.
    • Sealed terminal: 50 amp miniature circuit breaker has a built-in sealed terminal, which is rust-proof and convenient, and meets certification standards.
    • Ergonomic handle: The handle is comfortable to operate, has high segmentation capacity, and is sensitive to action.

    Technical Data

    Model ATO-BY6-63-1P-50A
    Number of Poles 1P
    Rated Frequency 50-60Hz
    Frame Grade Current 63A
    Rated Current(In) 50A
    Rated Insulation Voltage 400V
    Rated Impulse Withstand Voltage (Uimp) 4000KV
    Rated Short-circuit Capacity(Inc) 3000-6000KA
    Producible Leakage Protection Type AC type
    Electrical Characteristics Short Circuit Protection, Overload Protection, Power Failure Protection
    Electrical Life 10000
    Mechanical Life 10000
    Protection Level IP20
    Comply with the Standard GB/T10963.1-2020 IEC60898-1


    Single Pole MCB Breaker Dimensions (Unit: mm)

    1 pole miniature circuit breaker dimension

    Single Pole MCB Breaker Wiring

    MCB miniature circuit breaker wiring

    How to Choose a Miniature Circuit Breaker for Home?

    Rated Current Copper Core Wire Load Power Applications
    1~5A <1mm ≤1100W Low-power Equipment
    6A ≥1mm ≤1320W Lighting
    10A ≥1.5mm ≤2200W Lighting
    16A ≥2.5mm ≤3520W Lighting, Sockets, 1~1.5 hp Air Conditioner
    20A ≥2.5mm ≤4400W Lighting, Sockets, 1~1.5 hp Air Conditioner
    25A ≥4mm ≤5500W Lighting, Sockets, 1~2.5 hp Air Conditioner
    32A ≥6mm ≤7040W Sockets, 3 hp Air Conditioner, 6 kW Water Heater
    40A ≥10mm ≤8800W 8 kW Instant Water Heater, Main Power Switch
    50A ≥10mm ≤11000W Main Power Switch
    63A ≥16mm ≤13200W Main Power Switch

    Tips: 50 amp 1 pole miniature circuit breaker applications

    A 50 amp 1 pole miniature circuit breaker (MCB) is commonly used in residential, commercial, and light industrial applications to protect electrical circuits from overloads and short circuits. In residential settings, it’s typically used for high-power appliances like electric water heaters, ovens, and air conditioning units. In commercial buildings, it can protect lighting circuits, small machinery, and HVAC systems. Light industrial applications include safeguarding equipment like small motors and specialized tools.

    The single pole design means the mini MCB protects one live wire, making it suitable for 120V circuits in North America or single-phase circuits in other regions. Its compact size allows easy installation in standard electrical panels, saving space while ensuring reliable protection. Additionally, the quick trip mechanism prevents damage to connected devices and reduces fire risks. Always ensure compatibility with the circuit’s voltage and load requirements, and consult local electrical codes or a qualified electrician before installation.

    Types of Circuit Breakers

    In this video, we'll take a closer look at the meaning behind these abbreviations and explain the types of circuit breakers they represent. By understanding the different types of circuit breakers on the market, you can make an informed decision and choose the right type for your specific requirements, thereby enhancing the protection of your electrical infrastructure.

    Isolator vs Circuit Breaker

    Although isolators and circuit breakers have similar functions in a circuit, they are two separate entities. This video explains you the difference between the two devices in terms of working, features, operation, affordability, etc. You can choose between them based on your specific requirements.

    Existing reviews of 50 amp 1 pole Miniature Circuit Breaker
    Perfect for solar.
    I used this 50 amp 1 pole miniature circuit breaker for my 400watts solar off grid between panel and solar charge controller, it works great. Good disconnect switch. I love it.
    From: Marcus | Date: 28/06/2022
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    SKU: ATO-MCB-2P50
    50 amp 2 pole miniature circuit breaker for sale, compliant with IEC standards, with short circuit, overload, and power failure protection. This double pole mini MCB is designed for supplementary protection against short circuits and overloads in commercial and industrial applications.