AIR CIRCUIT BREAKER
MTW1-2000, MTW1-3200, MTW1-4000, MTW1-6300, MTW1-7500
The MTW1 series intelligent breaker is exquisitely crafted for the AC 50Hz distribution network, boasting a rated voltage of 400V and 690V, offering a versatile rated current range between 400A~7500A. This cutting-edge solution masterfully distributes electric energy while offering superior protection for circuits and power equipment against the threats of overload, under-voltage, short circuit and single-phase earth faults. It comes equipped with an intelligent protection feature and precise selective protection, which dramatically enhances power supply reliability and prevents
unnecessary interruptions in power.The circuit breaker flaunts an impressive impulse withstand voltage of8000V at an altitude of 2000 meters (with adjustment capabilities for varying altitudes, not surpassing a maximum of 12000V).
This extraordinary product adheres to the high standards of GB14048.2 for low-voltage switchgear and control equipment, specifically focusing on low-voltage circuit breakers and aligns with IEC60947-2 for low-voltage switchgear and control equipment, part two: low-voltage circuit breaker.
-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: Discover the pinnacle of precision and performance with our advanced control component, meticulously engineered to meet all your power management needs. This state-of-the-art control system revolutionizes your experience, delivering unparalleled reliability and efficiency in every aspect of power regulation, ensuring your operations run smoothly and seamlessly.
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: A Masterpiece of Conductivity
Introducing Our Pristine Red Copper: Harness the power and purity of premium-grade red copper, designed for impeccable electrical performance.Exquisite Silver Finish: Revel in the stunning, lustrous silver sheen that enhances both aesthetic appeal and functionality. Plated with Precision: Experience the meticulous craftsmanship in our silver plating, ensuring exceptional durability and performance.
Remarkable Heat Management: Our design excels in managing heat efficiently, ensuring sustained optimal performance under pressure. Dissipation Capabilities: Engineered for superior heat dissipation, our products maintain peak efficiency even in demanding conditions. for Optimal Performance: Delivering outstanding performance to meet the highest industry standards.
Exceptional Corrosion Resistance: Our copper components are shielded with superior corrosion-resistant technology for long-lasting reliability.
Enhanced Widening: Featuring an advanced design that includes and Thickening: These enhancements in copper bar dimensions underscore our commitment to quality and performance. of Copper Bar Dimensions
Fully Compliant with Industry Standards: Our products meet and exceed all industry regulations, ensuring safety and quality.
INNOVATIVE CONDUCTIVE SYSTEM: Experience cutting-edge technology with our state-of-the-art conductive systems.
The precise number of contact pieces: Each contact piece is carefully crafted to ensure optimal current flow and reliability. is meticulously determined by the current: Each design is customized based on the specific current requirements, ensuring precision and efficiency.
The robust moving contact is crafted from: Built to withstand the toughest conditions, our moving contacts are engineered for strength and reliability. copper plated with luxurious silver: This combination enhances conductivity and provides a superior contact surface. materials
The moving contact features: Equipped with top-tier materials for unmatched performance and durability. brilliant silver dots, ensuring superior conductivity: The silver dots optimize electrical connectivity and efficiency.
-Sophisticated Internal Components: Our components are designed with precision and sophistication for exceptional performance.
Superior Conductive Parts: Unmatched in quality, our conductive parts include premium copper bars and high-quality contacts for reliable operation.
- Premium Copper Bars, High-Quality Contacts
Advanced Secondary Control Part: Leverage the power of innovation with our secondary control parts that promise precision and robustness.
- Robust Wiring Terminals, Precision Mechanisms, Smart Controllers, Durable Motors, Efficient Coils, and Accurate Current Transformers: Our transformers are crafted for precision and efficiency, ensuring seamless performance.
Highly Efficient Arc Extinguishing Section: A vital component designed to ensure safety and efficiency, equipped with cutting-edge technology.
-Cutting-Edge Interrupter: Our interrupter technology is at the forefront of innovation, offering unparalleled reliability.
- Available in Fixed and Versatile Drawer Type Construction: Choose a construction type that fits your needs, offering both fixed and drawer configurations for flexibility.
Installation Instructions
- Installed inside the panel
Fixed Type Installation:
The circuit breaker is securely mounted onto the distribution cabinet or installation board and remains stationary.
Ideal for settings where replacements or upkeep are infrequent.
Enjoy straightforward installation and affordable cost-efficiency.
Drawout Type Installation:
The circuit breaker is housed on a withdrawable frame designed for convenient maintenance, seamless testing, and effortless replacement.
Perfect for scenarios demanding frequent operation or regular maintenance.
While installation can be intricate and costly, it provides enhanced adaptability.
Plug-in Type Installation:
The circuit breaker links to the busbar via a plug-in connection, ensuring swift installation and rapid replacement.
Perfect for environments where quick swaps are essential.
-Secondary Wiring Method
1 and 2: Interface the intelligent controller
27 and 28:Link the undervoltage coil
29 and 30: Integrate the shunt coil
31 and 32:Engage closed coils
34 and 35: Connect the energy-storing motor
Comprehensive Mechanical Operation Test:
Engage in a comprehensive scrutiny of the mechanical operation of the circuit breaker to ensure it operates with astonishing flexibility, combined with an unwaveringly reliable performance.Test its seamless functional operations, ensuring impeccable performance in tasks such as
closing ,opening , along with the precise execution ofenergy storage. Electrical Performance Testing Excellence:Conduct an insulation resistance test: Skillfully employ a megohmmeter to measure the insulation resistance of both main and auxiliary circuits, ensuring they not only meet but exceed standard requirements (typically ≥ 1M Ω).
Power Frequency Withstand Voltage Test: Confidently administer the rated power frequency voltage (e.g., 2500V/1min) to both the main and auxiliary circuits, meticulously evaluating the robustness and resilience of insulation performance.
Contact Resistance Test: Carefully and meticulously gauge the contact resistance of the primary contact, guaranteeing it remains beneath the established threshold (commonly at a micro ohm level).
Protection Function Test Mastery:
Thoroughly evaluate the action values and timing for protection functions such as
overload and short circuit
, as well as ground fault conditions. Ensure the precise calibrationand smooth operability
of the state-of-the-art intelligent release device.
Outer Packaging: A Fortress of Protection - Unyielding and Invincible
Robust and Resilient: Our Commitment to Total Safety We utilize wooden boxes that are strategically selected to offer unparalleled mechanical strength, ensuring your products are shielded from harm.
Wooden crates are ideal for accommodating large circuit breakers, perfectly tailored to meet the rigorous demands of international transportation, safeguarding them throughout their journey.
Inner Packaging: Cushioned Care - Sensitive to Every Detail
We envelop the circuit breaker in layers of protective materials such as high-density foam pads, soft bubble film or durable pearl cotton to effectively mitigate the risks of vibration and collision, ensuring the integrity of your circuit breaker is maintained.
For larger circuit breakers, the packaging box can feature a sophisticated layered design, with essential accessories like manuals, precision tools, and indispensable spare partsthoughtfully arranged on the upper layer for enhanced accessibility and convenience.
Our production line: Where Technology Meets Excellence - Craftsmanship and Innovation in Harmony
Mingtuo Electric Mingtuo Electric has firmly established itself as a significant player in the domestic market while steadily expanding its international footprint. Our exceptional products are widely utilized across diverse sectors such as construction, industry, and energy, earning unwavering trust and admiration from numerous prestigious high-profile engineering projects.
The company is resolutely dedicated to upholding its core philosophy ofprioritizing the customer, assuring premium quality, providing exceptional service, and preserving an impeccable reputation in every endeavor.Moreover, we are passionately committed to cultivating a culture of continuous innovation and forward-thinking growth, ensuring we remain at the forefront of our industry. Our company proudly boasts a robust technical foundation, cutting-edge production capabilities, and extensive industry experience in research and development, thus earning a well-deserved reputation for unmatched professionalism and technological excellence. We are equipped with a comprehensive suite of China's most advanced production, testing, and inspection equipment, ensuring exceptional quality and reliability.
FAQ
Q: What is the product voltage/current range? What's the breaking ability?
A: For detailed and comprehensive information, we invite you to reach out directly to our dedicated customer service team.
Q: What is the MOQ? Do you support sample ordering?
A: The minimum order quantity is 1 set, and we are delighted to offer full support for sample orders to meet your needs.
Q: How long is the warranty period? How to apply for warranty?
A: Our reliable products come with a warranty period ranging from one to two years. To apply for warranty services, please contact our customer service team directly for prompt assistance.
Q: Do you have CE, RoHS, UL and other certifications? Can you provide a certificate?
A: Yes, we hold CE and RoHS certifications, and we are more than happy to provide these certificates upon request to assure you of our product quality and compliance.
Q: Does the price include tax/shipping?
A: Please be advised that shipping and tax are not included in the listed price and should be accounted for separately.
Q: What famous clients or project cases have you worked with?
A: Our distinguished clientele includes powerhouses such as the State Grid of China, Chint Group, and Xiaomi Group, showcasing our capability to serve and satisfy high-profile clients.