AIR CIRCUIT BREAKER
MTW1-2000, MTW1-3200, MTW1-4000, MTW1-6300, MTW1-7500
The MTW1 series intelligent breaker is designed for the robust distribution of electrical energy within AC 50Hz networks, with a rated voltage of 400V and 690V, and a rated current ranging from 400A~7500A.This circuit breaker effectively distributes electric energy while ensuring the safety of circuits and power equipment against potential damage from overload, under-voltage, short circuit and single-phase earth faults, among other issues. Equipped with advanced intelligent protection features and precise selective protection, this breaker significantly improves the reliability of power supply systems, minimizing
undesirable power interruptions.The circuit breaker boasts an impressive impulse withstand voltage of8000V, even at altitudes of up to 2000 meters. It can be adjusted according to different altitude standards, with the ability to withstand a maximum of 12000V.
This product complies with the rigorous standards of GB14048.2, which covers low-voltage switchgear and control equipment, as well as low-voltage circuit breakers, under the IEC60947-2 guidelines for low-voltage switchgear and control equipment: low-voltage circuit breakers.
-Style: Drawer style
-Style: Fixed style
-Model Meaning
Pole number (4P signifies 4 Pole, 3P signifies 3 Pole)
Rated Current
Design code
Air Circuit Breaker
Enterprise code
-Control Part: Discover the epitome of advanced engineering with our Control Part, tailored for precision and efficiency. Meticulously designed, this component ensures optimal performance, making it a cornerstone of reliability and control in any electrical system.
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: Engineered for excellence, this copper bar promises unmatched electrical performance and reliability.
Red copper: This high-grade material is renowned for its superior conductivity and strength.silver: A symbol of purity and elite performance, silver enhances the electric conductivity and durability. plated material: The meticulous plating process ensures long-lasting protection and efficiency.
Good heat: Expertly designed to manage and dissipate heat efficiently, prolonging the lifespan of the component. dissipation: Facilitates superior temperature management for consistent performance. performance: Expect nothing less than peak operational excellence and reliability.
Corrosion resistance: Built to withstand the elements, this product resists wear and tear, ensuring longevity.
Widening: The design includes broader dimensions for enhanced stability and performance. and: Seamlessly integrates components for optimal functionality. thickening: Increased thickness offers additional durability and robustness. of copper bar size: Tailored dimensions that meet industry-leading standards for electrical applications.
Compliant with standards: Designed in adherence to rigorous industry standards, ensuring safety and reliability.
CONDUCTIVE SYSTEM: A pioneering system engineered for maximum conductivity and reliability.
The: Designed to cater precisely to electrical demands. number of contact pieces: Tailored design to suit the specific current requirements, ensuring efficiency. is determined by the current: Customizable to meet varying electrical needs and applications.
The moving contact is made of: Our superior design employs advanced materials for optimal conductivity. copper plated silver: This combination ensures exceptional conductivity and long-term performance. material: Quality materials guarantee superior electrical transmission and durability.
The moving contact is made of: Crafted with precision for enhanced performance and reliability. silver: Known for its excellent conductive properties, ensuring top-tier performance. dots,Good conductivity: Strategically placed silver dots enhance conductivity across surfaces.
-: Designed to seamlessly integrate with existing systems.Internal components: Meticulously engineered for peak performance and reliability.
Conductive parts: Designed for optimal electrical transmission and durability.
-Copper bars, contacts: Essential components delivering superior electrical performance.
Secondary control part: Engineered for precision control and seamless integration with advanced systems.
-Wiring terminals, mechanisms, controllers, motors, coils,current: Each element crafted for precision and efficiency. transformer: Ensures stable voltage conversion and reliable performance under varying conditions.
Arc extinguishing section: Advanced technology to safely manage and extinguish arcs, ensuring operational safety.
-: Integrates seamlessly into the product's architecture for optimal performance.interrupter: Robust design for effective interruption of the current flow, enhancing safety and reliability.
-Fixed and drawer type construction: Versatile construction offers flexibility and ease of maintenance.
Installation Instructions
-Installed inside the panel
Fixed Type Installation:
The circuit breaker is securely fastened onto the distribution cabinet or installation board and remains immovable.
This is ideal for scenarios where infrequent replacement or maintenance is expected.
Enjoy ease of installation and cost-effectiveness.
Drawout Type Installation:
The circuit breaker is mounted on a withdrawable frame, providing convenient maintenance,seamless testing,and effortless replacement.
Perfect for environments necessitating frequent operation or routine maintenance.
While installation is intricate and demands higher investments, it delivers superior adaptability.
Plug-in Type Installation:
The circuit breaker seamlessly connects to the busbar through a plug-in connection, ensuring swift and easy installation and rapid replacement.
Tailored for circumstances that demand quick replacement.
-Secondary Wiring Method
1 and 2: Link to the intelligent controller
27 and 28:Link to the undervoltage coil
29 and 30: Link to the shunt coil
31 and 32:Link to closed coils
34 and 35: Link to the energy storage motor
1. Mechanical Operation Test:
Ensure the flawless functionality of the circuit breaker's mechanical operations, verifying that every component is flexible and reliable.
This involves examining the seamless operation of functions such as closing, opening, and energy storage.
2. Electrical Performance Testing:
Insulation Resistance Test: Utilize a megohmmeter to precisely measure the insulation resistance of both main and auxiliary circuits, making sure they conform to standards, typically ≥ 1M Ω.
Power Frequency Withstand Voltage Test: Apply the rated power frequency voltage, for example, 2500V for 1 minute, to both the main and auxiliary circuits, ensuring top-notch insulation performance.
Contact Resistance Test: Conduct a meticulous measurement of the main contact's resistance, guaranteeing it stays below the specified micro ohm level.
3. Protection Function Test:
Conduct evaluations to verify the action values and response times of protection functions, including overload, short circuit, and ground fault.
This involves confirming the settings andfunctionality of the intelligent release device, ensuring optimal performance.
Outer packaging:
Robust wooden boxes are typically employed to ensure ample mechanical strength, providing ultimate protection for your investment.
The sturdy wooden crate is ideal for accommodating large circuit breakers and is perfectly suited for international transport.
Inner packaging:
Encapsulate the circuit breaker with protective buffer materials including foam pad, bubble film or pearl cotton to effectively prevent vibration and collision, safeguarding the product's condition.
For larger circuit breakers, the packaging box might feature a layered design, with essential accessories (such as manuals, tools, spare parts) conveniently placed on the upper layer for easy access.
Our production line
Mingtuo Electric Mingtuo Electric not only commands a pivotal presence within the domestic sphere but is also making remarkable strides into the global arena. Our diverse product range is extensively utilized across sectors such as construction, industry, and energy, earning the unwavering trust and preference of numerous prestigious engineering projects.
The company adheres firmly to the principle of'customer first, quality first, service first, reputation first'and is committed to an ongoing pursuit of innovation and development. The company boasts formidable technical prowess, state-of-the-art production technology, and a wealth of experience in research and development, further solidifying its reputation for professionalism and technological leadership. Equipped with a complete suite of the most advanced production, testing, and inspection facilities in China, our capabilities are second to none.
FAQ
Q: What is the product voltage/current range? What's the breaking ability?
A: For detailed specifications on our product's voltage/current range and its robust breaking capacity, please consult our dedicated customer service team.
Q: What is the MOQ? Do you support sample ordering?
A: The minimum order quantity is just 1 set, and yes, we fully support sample ordering to help you experience our product firsthand.
Q: How long is the warranty period? How to apply for warranty?
A: Our products come with a warranty period of one to two years. Applications for warranty claims can be made directly through our customer service, ensuring a seamless experience.
Q: Do you have CE, RoHS, UL and other certifications? Can you provide a certificate?
A: Indeed, we hold CE and RoHS certifications and are more than willing to provide these certificates to assure you of our product's compliance and quality.
Q: Does the price include tax/shipping?
A: Please note that the price quoted does not include shipping or tax.
Q: What famous clients or project cases have you worked with?
A: We have had the privilege of collaborating with esteemed clients such as the State Grid of China, Chint Group, and Xiaomi Group, which underscores our commitment to excellence and reliability.
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