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5SY4320-7 | SIEMENS MCB 3P 20A Type C
Item #: 75298686

5SY4320-7 | SIEMENS MCB 3P 20A Type C

Item #: 75298686

AED 790

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    What Stands Out

    Triple Pole Design
    The 5SY4320-7 features a triple pole design, providing comprehensive protection for three-phase circuits, ensuring enhanced safety and efficiency in industrial and commercial applications.
    Type C Characteristics
    This MCB operates with Type C characteristics, allowing it to handle higher inrush currents, making it ideal for inductive loads like motors and transformers.
    Reliable Protection
    Equipped with advanced thermal and magnetic trip mechanisms, this device ensures reliable overcurrent protection, minimizing downtime and operational risks in electrical installations.

    Product Details

    Shop for SIEMENS MCB 3P 20A Type C online at Ubuy UAE. Get the best deals and discounts on electrical circuit breakers. Order now and enjoy fast delivery!
    BrandSIEMENS
    Current Rating20 Amps
    Circuit Breaker TypeStandard
    Mounting TypePanel Mount
    Number Of Poles3
    Item Weight0.5 lbs (230 grams)

    Who Should Buy?

    Suitable For
    • Residential Users

      Ideal for homeowners needing reliable circuit protection in three-phase electrical systems for enhanced safety.

    • Small Businesses

      Excellent choice for small enterprises looking for dependable circuit breakers to protect their equipment and systems.

    • Electrical Contractors

      Perfect for electricians seeking a robust, Type C MCB for commercial projects requiring reliable performance and compliance.

    Not Suitable For
    • High-Power Installations

      Not suitable for industrial applications with high surge currents that require larger rating circuit breakers.

    Product Description

    5SY4320-7 | SIEMENS MCB 3P 20A Type C

    Have any Query? Chat with us

    Customer Questions & Answers

    • Question: What is the purpose of the SIEMENS MCB 3P 20A Type C?

      Answer: The SIEMENS MCB 3P 20A Type C serves as a miniature circuit breaker designed to protect electrical circuits from overloads and short circuits. Using a Type C trip curve, it is well-suited for applications with inductive loads, such as motors, where initial high inrush currents can occur. This prevents damage to wiring and connected devices, ensuring a safer environment for both residential and industrial applications.
    • Question: How does the 3P configuration benefit electrical installations?

      Answer: The 3P configuration of the SIEMENS MCB facilitates the protection of three-phase electrical systems effectively. This is crucial for industries that use three-phase motors and equipment, as it ensures balanced load distribution and enhanced safety. In scenarios where three-phase power supply is standard, using a 3P MCB helps monitor and safeguard each phase, reducing the risk of phase failure or equipment damage.
    • Question: What does the Type C classification indicate for this circuit breaker?

      Answer: The Type C classification in the SIEMENS MCB indicates a tripping characteristic suitable for circuits with moderate inrush current loads such as transformers and motors. Specifically, these breakers typically trip between 5 to 10 times the rated current, providing essential protection without nuisance tripping during startup phases. This is ideal for businesses that rely on heavy machinery and seek reliable circuit protection.
    • Question: Can the SIEMENS MCB 3P 20A Type C be used in residential applications?

      Answer: Yes, the SIEMENS MCB 3P 20A Type C is suitable for residential applications, especially in homes with three-phase wiring. It can effectively protect circuits powering appliances or equipment that require higher demand during operation. Utilizing Type C MCB in a residential setting ensures not only the safety of your household electrical systems but also the longevity of appliances that might have fluctuating loads.
    • Question: What is the installation process for the SIEMENS MCB?

      Answer: Installing the SIEMENS MCB 3P 20A Type C involves mounting it on a standard DIN rail and connecting the input/output terminals to the electrical circuit. It is essential to follow electrical codes and standards during installation for safety. Proper installation ensures that the circuit breaker operates effectively, providing reliable protection against overloads and faults, which is critical for maintaining a secure electrical system.
    • Question: Is the SIEMENS MCB 3P 20A Type C compatible with smart home systems?

      Answer: While the SIEMENS MCB 3P 20A Type C itself does not directly integrate with smart home systems, it can be part of a smart electrical installation. If coupled with smart devices or monitoring systems, it can help track energy usage and circuit performance. This compatibility plays a vital role in enhancing safety and improving energy management, making it a smart choice for homeowners looking to modernize their electrical setups.
    • Question: What materials are used in the construction of the SIEMENS MCB?

      Answer: The construction of the SIEMENS MCB 3P 20A Type C involves using high-quality thermoplastic materials resistant to heat and electrical stress, ensuring durability and functionality. These materials help to prevent deterioration over time, maintaining excellent performance under normal operating conditions. The use of robust materials is essential for circuit breakers, especially in environments subject to extensive electrical load fluctuations.
    • Question: How does the SIEMENS MCB handle short circuits?

      Answer: The SIEMENS MCB 3P 20A Type C is engineered to detect short circuits swiftly and accurately, triggering the breaker to trip and disconnect the circuit. This rapid response minimizes potential damage and protects downstream devices. In industrial applications where equipment is critical, this feature ensures that electrical failures do not lead to larger system failures or safety hazards.
    • Question: What distinguishes the SIEMENS MCB from other brands?

      Answer: The SIEMENS MCB 3P 20A Type C stands out due to its reliability and advanced engineering, backed by SIEMENS' reputation in the electrical industry. Its precise trip characteristics and durable construction ensure consistent performance over time. This makes it preferable for both residential and commercial applications, where safety and efficiency are paramount, setting it apart from many competitors.
    • Question: Where can I buy 5SY4320-7 | SIEMENS MCB 3P 20A Type C?

      Answer: You can purchase the 5SY4320-7 | SIEMENS MCB 3P 20A Type C from Ubuy in UAE. Ubuy is known for offering a variety of electrical components, ensuring that you have access to reliable products for your needs.

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    “Excellent experience”

    11 June 2026 · via Trustpilot
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    “I had an excellent experience with Ubuy UAE. I ordered a product from the USA, and the website clearly mentioned that deliveries might be delayed due to the current situation in the Middle East. Despite that, my order arrived in just one week, which exceeded my expectations. The shipment was handled by DHL, and the entire delivery process was smooth, fast, and hassle-free. The package arrived in perfect condition with no issues at all. What impressed me the most was the pricing. The product was significantly cheaper than ordering the same item directly through Amazon USA and shipping it to the UAE, where I would have had to pay higher delivery charges and additional customs fees. Ubuy provided great value, transparent communication, and reliable delivery. Based on my experience, I would definitely use them again and highly recommend them to anyone in the UAE looking to purchase products from overseas. Thank you, Ubuy UAE, for a fantastic shopping experience!”

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    “On time delivery and great product at a really great price!”

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