AIR CIRCUIT BREAKER
MTW1-2000, MTW1-3200, MTW1-4000, MTW1-6300, MTW1-7500
Introducing the MTW1 series intelligent breaker, a masterfully crafted solution for modern distribution networks operating at an AC frequency of 50Hz. Perfectly engineered for a rated voltage of 400V and 690V, it offers an impressive rated current capacity ranging from 400A~7500A. This breaker not only distributes electric energy effectively, it also serves as a steadfast guardian for your circuits and power equipment, shielding them from potential harm caused by overload, under-voltage, short circuit and single-phase earth faults. Featuring cutting-edge intelligent protection functions and precise selective protection, this breaker enhances the reliability of your power system, significantly reducing the likelihood of
unplanned power interruptions.With an outstanding impulse withstand voltage of8000V at an altitude of 2000 meters, it's versatile enough to adapt to various altitudes, boasting a maximum capacity of 12000V)
This product complies with the stringent standards of GB14048.2 for low-voltage switchgear and control equipment, specifically targeting low-voltage circuit breakers, while also adhering to IEC60947-2 for low-voltage switchgear and controlling equipment Part 2: Low-voltage circuit breakers.
-Style: Drawer style
-Style: Fixed style
-Model Meaning
Pole number (4P indicates 4 Pole, 3P indicates 3 Pole)
Rated Current
Design code
Air Circuit Breaker
Enterprise code
-Control part: Experience unmatched precision and efficiency with our advanced control system, meticulously designed to ensure seamless operation and optimal performance at all times. This state-of-the-art control mechanism is engineered to deliver superior reliability, offering users a cutting-edge interface that enhances usability and ensures flawless integration into your electrical systems, guaranteeing peace of mind and unparalleled operational excellence.
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: Where quality meets precision, our premium red copper bars serve as the backbone of unparalleled conductivity and performance.
Crafted from Premium Red Copper: Each copper bar is meticulously forged from high-grade red copper, providing the ultimate in conductive excellence and reliability.Elegantly Silver: Aesthetic appeal meets functionality with our copper bars, each beautifully adorned with a silver-plated finish to ensure lasting durability. Plated Material for Enhanced Durability: The silver plating not only enhances the visual appeal but also provides an additional layer of protection, ensuring longevity and resilience against wear.
Exceptional Heat: Our meticulously engineered components are designed to manage high temperatures, ensuring peak performance. Dissipation: Optimal thermal management guarantees efficient heat dissipation, maintaining the integrity and performance of the system under demanding conditions. Performance for Optimal Efficiency: Engineered to provide reliable performance, ensuring that every operation is carried out with maximum efficiency.
High Corrosion Resistance: Our advanced materials provide superior resistance to corrosion, ensuring longevity and reliability even in the most challenging environments.
Innovative Widening: Leveraging state-of-the-art techniques, our copper bars are designed with innovative widening strategies for enhanced performance. and Thickening Techniques: Our specialized thickening methods ensure the copper bars can handle higher loads, providing unmatched reliability and performance. Applied to Copper Bar Size for Superior Performance: Our engineering prowess is reflected in the optimized size of the copper bars, delivering superior functionality.
Meticulously Compliant with Industry Standards: Every component is designed and tested to meet the strictest industry standards, ensuring unparalleled safety and performance.
CONDUCTIVE SYSTEM: The heart of our circuit breaker, meticulously engineered for superior electrical performance and reliability.
The Precise Number of Contact Pieces: Each contact piece is carefully calculated to handle varying current loads with precision and efficiency. Is Expertly Determined by the Current Load: Our system dynamically adjusts to ensure optimal performance, tailored to the specific demands of your application.
The Moving Contact is Crafted from: High-quality copper, expertly plated with luminous silver, offering both aesthetic allure and functional excellence. Copper Plated with Lustrous Silver: This luxurious finish not only enhances conductivity but also provides a striking visual appeal. Material: Ensuring superior conductivity and reliability in every operation.
The Moving Contact is Engineered from: Silver dots, precisely aligned to maximize conductivity and efficiency. Silver: Chosen for its superior conductive properties, ensuring every connection is seamless and efficient. Dots, Ensuring Excellent Conductivity: Strategically placed silver dots enhance the conductive capabilities of the moving contact, providing reliable and efficient performance.
-Internal Components: The inner workings of our circuit breaker are designed for peak performance, featuring advanced conductive parts.
Conductive Parts Include: A comprehensive array of copper bars and precision contacts, each crafted for unmatched performance.
-Copper Bars, Precision Contacts: These critical components are engineered to deliver exceptional conductivity and reliability.
Secondary Control Part Highlights: Our circuit breaker features state-of-the-art secondary control elements, designed for maximum efficiency and control.
-Wiring Terminals, Advanced Mechanisms, Intelligent Controllers, Robust Motors, High-Quality Coils, and Current: Each component is rigorously tested to ensure superior performance and integration. Transformer: A vital component that ensures seamless power management and distribution within our circuit breaker.
State-of-the-Art Arc Extinguishing Section: Engineered to perfection, this section ensures safe and effective arc suppression, protecting your system from electrical faults.
-Interrupter: Our precision-engineered interrupter guarantees safe and efficient interruption of electrical currents, safeguarding your operations.
-Available in Both Fixed and Drawer Type Construction for Flexible Application: Designed to meet the diverse needs of our clients, offering both fixed and drawer type options for versatile applications.
Installation Instructions
-Installed inside the panel
Fixed Type Installation:
The circuit breaker is securely mounted on the distribution cabinet or installation board and is immovable once installed, ensuring stability and reliability.
This setup is ideal for scenarios that do not require frequent switching or ongoing maintenance, offering peace of mind and minimal upkeep.
Experience easy installation and embrace a cost-effective setup that optimizes your resources.
Drawout Type Installation:
The circuit breaker is affixed on a withdrawable frame, allowing for effortless maintenance,providing smooth testing, and easy replacement of components,ensuring maximum operational efficiency.
Perfect for environments that require regular operation or servicingto maintain excellence.
While installation is intricate and incurs higher costs, it provides enhanced adaptability, making it a worthwhile investment.
Plug-In Type Installation:
The circuit breaker connects seamlessly to the busbar via a plug-in mechanism, ensuring rapid installation and swift replacement, saving time and effort.
This method is perfect for conditions that demand quick replacement, maximizing uptime and efficiency.
-Secondary Wiring Method
1 and 2: Connect the intelligent controller seamlessly to enhance system performance and responsiveness.
27 and 28:Link the undervoltage coil efficiently, boosting system reliability and safety.
29 and 30: Securely attach the shunt coil to maintain consistent operation and functionality.
31 and 32:Anchor the closed coils firmly to ensure robust performance and prevent malfunctions.
34 and 35: Connect the energy storage motor reliably to optimize energy utilization and system readiness.
Mechanical Operation Test: During this phase, we rigorously analyze the efficiency and smooth functioning of the circuit breaker, ensuring each movement is seamless and reliable.
Check for smooth and flawless mechanical operation of the circuit breaker, confirming it is flexible, and remarkably reliable.Let us ensure your experience is unparalleled.
Put to the test each operational function including, closing,, opening,and energy storage.These are vital for the smooth and efficient operation of your device.
Electrical Performance Testing: Elevate your confidence in the circuit breaker's capabilities with our comprehensive electrical performance evaluations.
Insulation Resistance Test: With precision, we utilize a megohmmeter to gauge the insulation resistance of both main and auxiliary circuits, ensuring adherence to standards (≥ 1M Ω). This test assures quality and safety.
Power Frequency Withstand Voltage Test: Our expert team applies the rated power frequency voltage (e.g., 2500V/1min) to both the main and auxiliary circuits, meticulously verifying insulation performance under stress conditions.
Contact Resistance Test: Measure the contact resistance of the main contact to confirm it is below the specified value, typically at the micro ohm level, ensuring optimal connectivity and efficiency.
Protection Function Test: Safeguard your operations by verifying the robustness of protection functions.
Test and validate the activation values and response times of protection functions like overload, short circuit, and ground faultwith utmost precision.
Confirm the accuracy of settings andensure the full functionality of the cutting-edge intelligent release device. Ensure your setup is always protected and at peak performance.
Outer packaging:
To ensure unparalleled protection and superior strength for our products, we employ robust and resilient wooden boxes that are expertly crafted to provide exceptional mechanical strength, firmly safeguarding your investment throughout transit.
Our wooden crates are ideally suited to house large circuit breakers or for sturdy international transportation, guaranteeing that your products arrive in immaculate condition.
Inner packaging:
To achieve the pinnacle of protection for each circuit breaker, we meticulously envelop it with premium buffer materials including foam pad, bubble film or pearl cotton to effectively mitigate any vibration or impact during its journey, ensuring the integrity and safety of the product.
For larger circuit breakers, we provide an advanced packaging solution with a sophisticated layered design, allowing items such as manuals, tools, and spare partsto be conveniently and securely positioned on the upper layer, ensuring flawless organization and effortless accessibility.
Our production line
Mingtuo Electric Zhejiang Mingtuo Electric Technology Co., Ltd. stands as a beacon of excellence and innovation, not only within the domestic market but also on the international platform. Our products are incredibly versatile, catering to essential sectors including construction, industry, and energy. Endorsed by a myriad of prestigious engineering projects, our product line has garnered global admiration and customer loyalty, solidifying our reputation as a trusted leader.
The company adheres unwaveringly to its foundational principle ofcustomer first, quality first, service first, reputation firstand is steadfast in its dedication to innovation and progress. The company prides itself on possessing exceptional technical prowess, state-of-the-art production technology, and a wealth of industry expertise in research and development. Recognized for its professionalism and technological dominance, Mingtuo Electric is equipped with a full suite of China's most advanced production, testing, and inspection equipment.
FAQ
Q: What is the product voltage/current range? What's the breaking ability?
A: For comprehensive details on product specifications and breaking capacity, we invite you to connect with our dedicated customer service team, who are ready to assist you.
Q: What is the MOQ? Do you support sample ordering?
A: We proudly offer a minimum order quantity of just 1 set and are delighted to support sample ordering, ensuring we cater to all your needs.
Q: How long is the warranty period? How to apply for warranty?
A: Our products are backed by a robust warranty period ranging from one to two years. Applying for warranty is seamless and can be done directly through our customer service.
Q: Do you have CE, RoHS, UL and other certifications? Can you provide a certificate?
A: We are pleased to confirm that we hold CE and RoHS certifications and can readily furnish these certificates upon request.
Q: Does the price include tax/shipping?
A: Kindly be informed that the listed price does not cover shipping or tax.
Q: What famous clients or project cases have you worked with?
A: We have had the honor of collaborating with distinguished clients such as the State Grid of China, Chint Group, and Xiaomi Group, showcasing our commitment to excellence.
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