AIR CIRCUIT BREAKER
MTW1-2000, MTW1-3200, MTW1-4000, MTW1-6300, MTW1-7500
The MTW1 series intelligent breaker is ideal for AC 50Hz distribution networks, offering dependable performance for rated voltage ranges of up to 400V and 690V. With a robust rated current capacity spanning from 400Ato a powerful7500A, it efficiently distributes electrical energy while safeguarding circuits and power equipment against potential damage caused by overloads, under-voltage, short circuits and single-phase earth faults , among others. Equipped with advanced intelligent protection functions and precise selective protection, this breaker enhances power supply reliability and prevents
unnecessary power outages.The circuit breaker boasts an impressive impulse withstand voltage rating of8000V at altitudes up to 2000 meters, adjustable per altitude standards, with a maximum capability of 12000V.
This product strictly adheres to the standard of GB14048.2 for low-voltage switchgear and controlling equipment, and the low-voltage circuit breaker adheres to IEC60947-2, part two of the low-voltage switchgear and controlling equipment standards: low-voltage circuit breaker.
-Style: Drawer style, offering seamless integration into your system
-Style: Fixed style, ensuring stability and long-lasting performance
-Model Meaning
Pole number: (4P represents 4 Poles, 3P represents 3 Poles)
Rated Current: Tailored to meet your specific needs
Design code: Embodying innovation and efficiency
Air Circuit Breaker: A testament to advanced engineering
Enterprise code: Symbolizing Zhejiang Mingtuo's commitment to excellence
-Control Part: Engineered with precision, this control section ensures unparalleled operation and efficient performance, making the Versatile 800A Fixed Air Circuit Breaker ACB with Drawer Style an indispensable component for modern electrical systems.
Shunt
release |
Ue(v) |
AC 220,380/DC110,220 |
Energy-releasing (ON) electromagnet |
Us(v) |
AC 220,380/DC110,220 |
Under-voltage
release |
Ue(v) |
AC 220,380 |
Intelligent type electronic release |
Us(v) |
AC 220,380/DC110,220 |
Motorized operating
mechanism |
Us(v) |
AC 220,380/DC110,220 |
|
|
|
COPPER BAR: The backbone of our conductive system, crafted from premium red copper, ensuring unparalleled performance and reliability.
Red copper: Known for its superior conductivity and durability, forming the cornerstone of our product's core features.silver: Employed in our components for its unmatched conductivity and longevity. plated material: Carefully selected to enhance the product's performance and lifespan, ensuring it meets the highest standards.
Good heat: Our design philosophy prioritizes heat management, ensuring consistent performance under demanding conditions. dissipation: Engineered for optimal heat dissipation, maintaining system integrity and reliability. performance: Delivering superior performance through advanced materials and precise engineering.
Corrosion resistance: Built to withstand the harshest environments, providing longevity and sustained efficiency.
Widening: An essential enhancement to maximize efficiency and capacity. and: Integral to the cohesive design, ensuring comprehensive benefits. thickening: A strategic improvement to bolster durability and support increased operational demands. of copper bar size: Tailored to optimize performance and accommodate high levels of electrical current.
Compliant with standards: Meticulously engineered to align with industry standards, guaranteeing safety and reliability.
CONDUCTIVE SYSTEM: An advanced architecture designed to deliver peak performance with maximum efficiency.
The: A critical component in our commitment to excellence and innovation. number of contact pieces: Precisely calibrated to match the required current specifications, ensuring seamless functionality. is determined by the current: Carefully configured to handle the specific demands of your operation with precision and reliability.
The moving contact is made of: A testament to our commitment to quality, using only the finest materials. copper plated silver: A sophisticated choice for supreme conductivity and durability, integral to our design. material: Selected for its exceptional properties, forming the core of our advanced system.
The moving contact is made of: A perfect blend of innovation and tradition, ensuring top-tier performance. silver: This element enhances conductivity, ensuring smooth and efficient operation. dots, Good conductivity: Imbued with precision, these components ensure optimal energy flow and minimal resistance.
- A hallmark of quality and reliability within our product line.Internal components: Where innovation meets practicality, ensuring the best in class performance.
Conductive parts: The essential elements driving the efficiency and effectiveness of our entire system.
- Copper bars, contacts: Expertly crafted to ensure superior electrical performance and reliability.
Secondary control part: The sophisticated command center of our breaker, ensuring precise control and management.
- Wiring terminals, mechanisms, controllers, motors, coils, current: Each element meticulously designed to support advanced functionalities. transformer: A key component, ensuring seamless energy transformation and distribution.
Arc extinguishing section: A vital feature designed to enhance safety and operational efficiency.
-: An integral detail that underlines our product's comprehensive safety capabilities.interrupter: The heart of the breaker, designed to efficiently manage and extinguish arcs, ensuring operational safety.
- Fixed and drawer type construction: A versatile design offering enhanced flexibility and ease of use, tailored to meet diverse operational demands.
Installation Instructions
- Installed inside the panel with precision and care for optimal performance.
Fixed Type Installation:
The circuit breaker is securely fixed on the distribution cabinet, or installation board, ensuring it remains immobile for reliable operation.
Ideal for environments where replacement or maintenance is infrequent or unnecessary.
Enjoy the simplicity of installation and affordable costs, making it a budget-friendly choice.
Drawout Type Installation:
The circuit breaker is conveniently mounted on a withdrawable frame, allowing for effortless maintenance,timely testing,and swift replacementwithout hassle.
Perfect for applications that demand regular operation or consistent maintenanceto ensure peak efficiency.
Although the installation process is complex and comes with a higher cost, it provides unmatched flexibility and adaptabilityto cater to diverse needs.
Plug-in Type Installation:
Effortlessly connect the circuit breaker to the busbar with a plug-in connection, facilitating quick and seamless installation and replacement.
Ideal for scenarios necessitating rapid replacement without downtime.
-Secondary Wiring Method
1 and 2: Establish a connection with the intelligent controller to enhance system integration.
27 and 28:Seamlessly connect the undervoltage coil for improved safety measures.
29 and 30: Link the shunt coil to ensure optimal circuit protection.
31 and 32:Connect closed coils for a secure and effective operational flow.
34 and 35: Integrate the energy storage motor to guarantee efficient energy management.
1. Mechanical Operation Test:
Ensure that the mechanical operations of the circuit breaker exhibit optimal flexibility and reliability.
Evaluate the seamless execution of operation functions such as closing, opening, and energy storage.
2. Electrical Performance Testing:
Insulation Resistance Test: Employ a megohmmeter to confidently measure the insulation resistance of both main and auxiliary circuits, ensuring compliance with established standards (typically ≥ 1M Ω).
Power Frequency Withstand Voltage Test: Subject the main and auxiliary circuits to rated power frequency voltage (e.g., 2500V/1min) to meticulously assess insulation performance.
Contact Resistance Test: Accurately measure the contact resistance of the main contact, guaranteeing it remains within acceptable micro ohm levels.
3. Protection Function Test:
Examine the precise action values and response times of protection functions like overload, short circuit, and ground fault.
Confirm the settings andefficacy of the intelligent release device to ensure optimal protection.
Outer packaging: Robust and Reliable
Strong and Durable wooden boxes are typically employed to provide unmatched mechanical strength.
Secure wooden crates are ideal for large circuit breakers and international transportation, safeguarding your investment.
Inner packaging: Enhanced Protection
The circuit breaker is meticulously wrapped with premium buffer materials such as foam pads, bubble film or pearl cotton to effectively prevent vibration and collision, ensuring product integrity.
For larger circuit breakers, the packaging box features a sophisticated layered design, with essential accessories (such as manuals, tools, spare parts) strategically placed on the upper layer for easy access.
Our production line is committed to delivering excellence at every stage of the process, ensuring each product arrives in pristine condition.
Mingtuo Electric Mingtuo Electric not only holds a prestigious position in the domestic market but is also making inroads into the global arena. Our products shine in sectors such as construction, industrial applications, and energy solutions, having earned unwavering trust and admiration from numerous high-profile engineering projects.
The company adheres unwaveringly to the principle ofcustomer first, quality first, service first, reputation first,and constantly champions the ideology of innovation and development. The company boasts exceptional technical prowess, cutting-edge production methodologies, and an abundance of industry experience, in research and development, and is celebrated for its professionalism and technological forefront. It proudly houses a comprehensive set of the most sophisticated production, testing, and inspection equipment available in China.
FAQ
Q: What is the product voltage/current range? What's the breaking ability?
A: For detailed insights, please connect with our customer service team.
Q: What is the MOQ? Do you support sample ordering?
A: The minimum order quantity is a singular set, affirming our support for sample ordering.
Q: How long is the warranty period? How to apply for warranty?
A: Our product is backed by a warranty spanning one to two robust years. For warranty claims, kindly contact our customer service directly.
Q: Do you have CE, RoHS, UL and other certifications? Can you provide a certificate?
A: Yes, we are certified with CE and RoHS credentials and can readily furnish these certificates upon request.
Q: Does the price include tax/shipping?
A: Kindly note, the quoted price excludes any shipping or tax charges.
Q: What famous clients or project cases have you worked with?
A: We are proud to collaborate with elite clients and projects including State Grid of China, Chint Group, and Xiaomi Group.
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