AIR CIRCUIT BREAKER
Models Available: MTW1-2000, MTW1-3200, MTW1-4000, MTW1-6300, MTW1-7500
Introducing the MTW1 series intelligent circuit breaker, crafted for excellence in AC distribution networks at 50Hz, and rated voltage of 400V and 690V. With a robust rated current ranging from 400Ato 7500A, this breaker is engineered to efficiently distribute electric energy while safeguarding circuits and power equipment against the risks of overload, under-voltage, short circuit and single-phase earth faults . Equipped with advanced intelligent protection functions and precise selective protection, this breaker amplifies the reliability of your power supply and prevents
unnecessary outages.The circuit breaker features an impressive impulse withstand voltage of8000V at altitudes up to 2000 meters. Adjustments are made according to standards for varying altitudes, with a peak not surpassing 12000V.
This product adheres to the distinguished standards of GB14048.2 , governing low-voltage switchgear and control equipment, inclusive of the low-voltage circuit breaker, and aligns with IEC60947-2 for comprehensive low-voltage switchgear and control equipment standards, specifically the second part: low-voltage circuit breaker.
-Style: Drawer style, maximizing flexibility in usage
-Style: Fixed style, designed for robust applications
-Model Meaning
Pole number (4P signifies 4 Pole, 3P signifies 3 Pole)
Rated Current
Design code
Air Circuit Breaker
Enterprise code
-Control part
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 |
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|
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COPPER BAR: Engineered for excellence, these copper bars are the backbone of outstanding electrical performance.
Red copper: Renowned for its exceptional conductivity and reliability, red copper forms the core of our component's strength.Silver: Known for its superior conductivity and anti-corrosive properties, silver enhances the durability and performance of our materials. Plated material: Our meticulously silver-plated materials ensure optimal conductivity and longevity.
Good heat: Efficient heat management is crucial, and our components deliver exceptional thermal performance. Dissipation: Enhanced design provides superior heat dissipation, ensuring reliable operation under demanding conditions. Performance: Engineered to exceed expectations, offering unparalleled reliability and durability.
Corrosion resistance: Our materials are specially selected and treated to resist corrosion, ensuring a long lifespan and consistent performance.
Widening: Innovative design approach that increases the effectiveness of our copper components. And: Seamlessly integrating features that maximize efficiency and performance. Thickening: Optimized thickness enhances the structural integrity and performance of our components. Of copper bar size: Our precision-engineered copper bars are designed for maximum efficiency and reliability.
Compliant with standards: Our products adhere to the highest industry standards, ensuring safety, reliability, and performance.
CONDUCTIVE SYSTEM: Our cutting-edge conductive system is designed to deliver maximum efficiency and reliability.
The: Every detail is carefully considered to ensure peak performance and dependability. Number of contact pieces: Precisely engineered to meet the demands of varying current requirements, optimizing performance. Is determined by the current: Tailored design ensures optimal performance tailored to specific current demands.
The moving contact is made of: Our premium components feature expertly crafted materials for optimal function. Copper plated silver: Combining the best of both worlds, offering excellent conductivity and durability. Material: Carefully selected for its superior properties, ensuring peak performance.
The moving contact is made of: Built to last, our moving contacts are crafted for precision and reliability. Silver: Silver components ensure high conductivity and unmatched durability in demanding environments. Dots, Good conductivity: Silver dots are strategically placed to ensure maximum conductivity and efficiency.
-: An essential component of high-performance electrical systems, enhancing overall reliability.Internal components: Our internal components are meticulously designed for optimal performance and longevity.
Conductive parts: Engineered with precision, our conductive parts ensure seamless energy flow and superior performance.
-Copper bars, contacts: Expertly crafted copper bars and contacts are integral to our high-performance systems.
Secondary control part: The secondary control part is crucial for maintaining efficiency and reliability of our systems.
-Wiring terminals, mechanisms, controllers, motors, coils, current: Each element is crafted for peak performance and seamless integration within the system. Transformer: Our transformers are designed to deliver exceptional performance and reliability, critical for efficient energy distribution.
Arc extinguishing section: Strategically designed to rapidly and effectively extinguish arcs, ensuring safety and efficiency.
-: A vital component that enhances the protection and performance of the system.Interrupter: High-quality interrupters are essential for safe and efficient operation, preventing damage and ensuring reliability.
-Fixed and drawer type construction: Versatile construction options provide flexibility and adaptability for various applications.
Installation Instructions
-Installed inside the panel
Fixed Type Installation:
The circuit breaker is securely affixed directly onto the distribution cabinet or installation board and remains stationary, ideal for environments where repositioning or maintenance is infrequent.
Perfectly suited for scenarios that demand stability without the need for frequent part replacement or servicing.
Enjoy seamless installation and cost-effectiveness.
Drawout Type Installation:
The circuit breaker is mounted on a withdrawable framework, facilitating effortless maintenance, convenient testing, and swift replacement.
Designed for contexts necessitating frequent operation or routine maintenance.
While installation is complex and investment is higher, it provides unmatched flexibility.
Plug-In Type Installation:
The circuit breaker is seamlessly connected to the busbar via a plug-in connection, ensuring swift and effortless installation and rapid replacement.
Tailored for settings where fast replacement is crucial.
-Secondary Wiring Method
1 and 2: Connect the highly-intelligent controller
27 and 28:Connect the undervoltage coil
29 and 30: Connect the shunt coil
31 and 32:Connect closed coils
34 and 35: Connect the energy-efficient storage motor
Mechanical Operation Test:
Verify the seamless and flawless mechanical operation of the circuit breaker to ensure it functions with flexibility and reliability.
Examine operational functionalities including closing, opening, and energy storage.
Electrical Performance Testing:
Insulation Resistance Test: Employ a precision megohmmeter to meticulously measure the insulation resistance of both the main and auxiliary circuits, ensuring adherence to the required standards (typically ≥ 1M Ω).
Power Frequency Withstand Voltage Test: Administer the designated power frequency voltage (e.g., 2500V/1 min) to both main and auxiliary circuits to rigorously validate the insulation performance.
Contact Resistance Test: Precisely measure the contact resistance of the main contact, ensuring it remains well below the stipulated threshold (customarily at the micro ohm level).
Protection Function Test:
Evaluate the precise action thresholds and timings of crucial protection functions, including overload, short circuit, and ground fault.
Verify and fine-tune the settings andfunctionality of the sophisticated intelligent release device.
Outer Packaging:
Robust wooden crates are meticulously crafted to ensure optimal mechanical strength, safeguarding your product's journey.
Perfectly designed wooden crates, crafted especially for large circuit breakers, are ideal for international shipping.
Inner Packaging:
The circuit breaker is carefully encased with premium buffer materials like foam padding, bubble wrap or pearl cotton to effectively shield against any vibrations or impacts.
For substantial circuit breakers, the packaging box incorporates a sophisticated layered design, with essential accessories (such as manuals, tools, spare parts) conveniently organized on the top layer.
Our advanced production line seamlessly integrates cutting-edge technology to ensure high-quality output for every product.
Mingtuo Electric Mingtuo Electric not only enjoys a prominent presence in the domestic market but is also making significant strides into the international arena. Our products have become indispensable in sectors such as construction, industry, and energy, earning the trust and preference of numerous large-scale engineering projects.
The company adheres to the principle ofprioritizing customers above all, maintaining impeccable quality, delivering exceptional service, and upholding a sterling reputation.Mingtuo Electric is relentlessly committed to continuous innovation and development. The company boasts remarkable technical prowess, cutting-edge production technology, and a wealth of accumulated experience in research and development. Known for its professionalism and technological leadership, Mingtuo Electric is equipped with a comprehensive suite of the most advanced production, testing, and inspection apparatus in China.
FAQ
Q: What is the product voltage/current range? What is the breaking capacity?
A: Please contact our dedicated customer service team for detailed specifications.
Q: What is the minimum order quantity (MOQ)? Do you offer sample ordering?
A: The minimum order quantity is just 1 set, and we do indeed offer the option for sample orders.
Q: How long does the warranty last? How can one apply for it?
A: Our products come with a warranty period ranging from one to two years. For warranty claims, please reach out directly to our customer service.
Q: Are your products certified with CE, RoHS, UL, and other standards? Can you supply the certification?
A: We possess CE and RoHS certifications and are readily able to provide these certificates upon request.
Q: Is tax/shipping included in the price?
A: The listed prices exclude shipping and tax.
Q: Could you mention some notable clients or projects you've partnered with?
A: We are proud partners of industry giants like the State Grid Corporation of China, Chint Group, and Xiaomi Group.
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