AIR CIRCUIT BREAKER
MTW1-2000, MTW1-3200, MTW1-4000, MTW1-6300, MTW1-7500
The MTW1 series intelligent breaker is a marvel of engineering, perfectly designed for AC 50Hz distribution networks with a rated voltage of 400V and 690V, paired with a rated current ranging from 400Ato7500A. It masterfully manages electric energy distribution while providing robust protection to circuits and power equipment from the perils of overload, under-voltage, short circuit and single-phase earth faults. Equipped with advanced intelligent protection functions and precise selective protection, this breaker significantly enhances the reliability of power supply and efficiently prevents
undesired power outages.Boasting an impressive impulse withstand voltage capacity of8000V at altitudes up to 2000 meters (with adjustments for various altitudes and a maximum not exceeding 12000V).
This exceptional product complies with the rigorous standards of GB14048.2 for low-voltage switchgear and control equipment, as well as the low-voltage circuit breaker standards set by IEC60947-2 covering the second part: low-voltage circuit breakers for switchgear and control equipment.
-Style: Available in dynamic Drawer style
-Style: Also offered in the practical Fixed style
-Model Significance
Pole number (4P represents 4 Pole, 3P represents 3 Pole)
Rated Current
Design code
Air Circuit Breaker
Enterprise code
- Control Part: Discover the precision and efficiency of our meticulously engineered control components, designed to ensure optimal performance and reliability.
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: Crafted with premium quality and precision, our Copper Bar ensures durability and efficiency.
Red copper: Renowned for its excellent conductivity, this material forms the backbone of our superior components.silver: A precious element known for its outstanding thermal and electrical conductive properties. plated material: The fusion of strength and resilience, offering enhanced protection and longevity.
Good heat: Effectively manages high temperature scenarios, ensuring reliable performance. dissipation: Engineered to dissipate heat efficiently, thus maintaining optimal operational conditions. performance: Our product promises top-tier performance, standing the test of time and usage.
Corrosion resistance: Engineered to resist harsh environmental conditions, prolonging the life of the product.
Widening: Increased dimensions for greater capacity and improved current flow. and: Seamlessly integrating features for superior performance. thickening: Enhanced thickness for robust durability and dependable operation. of copper bar size: Optimized for maximum efficiency and reliability in demanding applications.
Compliant with standards: Meticulously crafted to adhere to industry-leading standards and regulations.
CONDUCTIVE SYSTEM: Our state-of-the-art system ensures seamless and efficient current transfer.
The: Revolutionary design focused on superior functionality and ease of use. number of contact pieces: Strategically designed to accommodate varying current requirements efficiently. is determined by the current: Tailored to meet specific needs for optimal electrical distribution.
The moving contact is made of: Top-grade materials that ensure seamless operation and reliability. copper plated silver: A combination that offers both strength and superior electrical conductivity. material: Carefully selected to deliver unmatched quality and performance.
The moving contact is made of: A high-quality blend dedicated to excellence in electrical performance. silver: Ensures exceptional conductivity and endurance under continuous use. dots,Good conductivity: Tiny yet powerful, these dots ensure smooth and efficient electrical flow.
-: Symbolizing the connection and unity of high-performance elements.Internal components: Each part is precisely designed to ensure the utmost reliability and efficiency.
Conductive parts: Essential components engineered for superior performance and durability.
-Copper bars, contacts: The foundation of our product's superior electrical capabilities.
Secondary control part: Expertly constructed to deliver precise control and dependable operation.
-Wiring terminals, mechanisms, controllers, motors, coils,current: Seamlessly integrated for optimal functionality and control. transformer: Delivers consistent and reliable power conversion, enhancing overall product performance.
Arc extinguishing section: Designed to ensure safety and reliability, effectively managing arc disturbances.
-: A bridge between innovation and practicality, ensuring optimal product function.interrupter: Delivers exceptional performance in interrupting current flows safely and efficiently.
-Fixed and drawer type construction: Versatile design options catering to varied installation needs and preferences.
Installation Instructions
-Installed inside the panel
Fixed Type Installation:
The circuit breaker is directly secured onto the distribution cabinet or installation board and remains stationary.
Ideal for scenarios where infrequent replacement or minimal maintenance is expected.
Ensures straightforward installation and is cost-effective.
Drawout Type Installation:
The circuit breaker is mounted on a withdrawable frame to allow for hassle-free maintenance, testing, and replacement.
Perfect for environments that demand regular operation or frequent maintenance.
While installation is intricate and incurs higher costs, it provides enhanced flexibility.
Plug-in Type Installation:
The circuit breaker connects seamlessly to the busbar via plug-in, allowing for swift and effortless installation and replacement.
Best suited for situations requiring rapid replacement.
-Secondary Wiring Method
1 and 2: Establish a connection with the intelligent controller
27 and 28:Link to the undervoltage coil
29 and 30: Attach to the shunt coil
31 and 32:Connect the closed coils
34 and 35: Wire the energy storage motor
1. Mechanical Operation Test:
Ensure the circuit breaker's mechanical operations are effortlessly flexible and unwaveringly reliable.
Evaluate operational capabilities including seamless closing, swift opening, and efficient energy storage.
2. Electrical Performance Testing:
Insulation Resistance Test: Employ a megohmmeter to thoroughly assess the insulation resistance of both main and auxiliary circuits, guaranteeing adherence to standards (typically ≥ 1M Ω).
Power Frequency Withstand Voltage Test: Administer rated power frequency voltage (such as 2500V/1min) to both the main and auxiliary circuits to verify outstanding insulation performance.
Contact Resistance Test: Precisely measure the main contact's resistance to confirm it remains below the defined threshold (commonly at micro ohm levels).
3. Protection Function Test:
Assess the activation values and timing of critical protection functions, including overload, short circuit, and ground fault.
Verify the accuracy and precise settings androbust functionality of the intelligent release device, ensuring optimal safety and performance.
Outer packaging:
Our robust and durable wooden boxes are meticulously crafted to ensure superior mechanical strength and protection.
The wooden crate is a supreme choice for housing large circuit breakers or for international shipments, offering unparalleled security.
Inner packaging:
The circuit breaker is enveloped in premium buffer materials such as foam pad, bubble film or pearl cotton to expertly prevent any vibration or collision, ensuring safety and integrity.
For our larger circuit breakers, the packaging box is ingeniously designed with a layered approach, where essential accessories (such as manuals, tools, spare parts) are conveniently placed on the upper layer for easy access.
Our state-of-the-art production line
Mingtuo Electric Mingtuo Electric stands as a pivotal player in the domestic market and is ambitiously making strides into the international arena. Our products enjoy extensive applications across diverse sectors, including construction, industry, and energy. With a steadfast reputation, we have become the trusted choice for numerous high-profile engineering projects worldwide.
The company adheres to the principle ofcustomer first, quality first, service first, reputation first,and relentlessly champions the ethos of innovation and development. The company has a robust foundation built on strong technical capabilities, cutting-edge production technologies, and extensive industry experience, in research and development. Renowned for our expertise and technological leadership, we boast a state-of-the-art suite of production, testing, and inspection equipment, the most advanced in China.
FAQ
Q: What is the product voltage/current range? What's the breaking ability?
A: For comprehensive details, please reach out to our dedicated customer service team.
Q: What is the MOQ? Do you support sample ordering?
A: Our minimum order quantity is 1 set, and we are pleased to offer sample ordering to accommodate your needs.
Q: How long is the warranty period? How to apply for warranty?
A: Our products come with a warranty of one to two years. To apply, please contact our customer service directly for a seamless experience.
Q: Do you have CE, RoHS, UL and other certifications? Can you provide a certificate?
A: Yes, we proudly hold CE and RoHS certifications and can readily provide the certificates for your peace of mind.
Q: Does the price include tax/shipping?
A: Please note that our pricing is exclusive of shipping and tax.
Q: What famous clients or project cases have you worked with?
A: We are honored to have collaborated with prestigious clients such as the State Grid of China, Chint Group, and Xiaomi Group, testifying to our excellence and reliability.
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