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, engineered with precision for a rated voltage of 400V and 690V, offering an expansive rated current range between 400A~7500A. This cutting-edge solution efficiently manages the distribution of electric energy, providing unparalleled protection for circuits and power equipment against the potential hazards of overload, under-voltage, short circuit and single-phase earth faults. Armed with an intelligent protection feature and precise selective protection, it dramatically boosts power supply reliability and mitigates
the risk of unnecessary power disruptions.The circuit breaker features an outstanding impulse withstand voltage of8000V at an elevation of 2000 meters (adjusted for various altitudes, with a maximum capability not exceeding 12000V).
This extraordinary product adheres to the rigorous 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. Crafted with high precision, this component ensures seamless and efficient power control, providing unmatched reliability and excellence in every operational scenario. Experience the ultimate in power management solutions, designed to elevate your systems to new heights of efficiency and dependability.
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
Pristine Red CopperExquisite Silver Finish Plated with Precision
Remarkable Heat Dissipation Capabilities for Optimal Performance
Exceptional Corrosion Resistance
Enhanced Widening and Thickening of Copper Bar Dimensions
Fully Compliant with Industry Standards
INNOVATIVE CONDUCTIVE SYSTEM
The precise number of contact pieces is meticulously determined by the current
The robust moving contact is crafted from copper plated with luxurious silver materials
The moving contact features brilliant silver dots, ensuring superior conductivity
-Sophisticated Internal Components
Superior Conductive Parts:
- Premium Copper Bars, High-Quality Contacts
Advanced Secondary Control Part:
- Robust Wiring Terminals, Precision Mechanisms, Smart Controllers, Durable Motors, Efficient Coils, and Accurate Current Transformers
Highly Efficient Arc Extinguishing Section:
-Cutting-Edge Interrupter
- Available in Fixed and Versatile Drawer Type Construction
Installation Instructions
-Installed inside the panel
Fixed Type Installation:
The circuit breaker is meticulously secured to the distribution cabinet or installation board and remains steadfast.
Ideal for scenarios with infrequent replacements or minimal upkeep.
Benefit from a straightforward installation process and superior cost-efficiency.
Drawout Type Installation:
The circuit breaker is elegantly housed on a withdrawable frame, crafted for easy maintenance, seamless testing, and hassle-free replacement.
Ideal for environments that demand frequent operation or regular maintenance.
While the installation might be intricate and more costly, it offers unmatched adaptability.
Plug-in Type Installation:
The circuit breaker connects to the busbar via a plug-in connection, ensuring an expedited installation and swift replacement.
Ideal for environments where quick exchanges are a priority.
-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: A Thorough Examination
Scrutinize the mechanical operation of the circuit breaker with meticulous attention to detail, ensuring it surpasses industry standards and remains supremely flexible, and unwaveringly dependable. reliable in all scenarios.Test the seamless operation functions rigorously, such as
closing, opening, and assessing the exactitude of energy storage, ensuring optimal performance. Electrical Performance Testing Excellence: Uncompromising StandardsConduct an insulation resistance test with precision: Utilize a high-quality megohmmeter to measure the insulation resistance of both the main and auxiliary circuits, ensuring they exceed standard benchmarks (typically ≥ 1M Ω).
Power Frequency Withstand Voltage Test: Administer the rated power frequency voltage (e.g., 2500V/1min) to both primary and auxiliary circuits, meticulously assessing the insulation performance and its robustness against industry demands.
Contact Resistance Test: Meticulously measure and evaluate the contact resistance of the primary contact, ensuring it remains below the established threshold (commonly at a micro ohm level) to maintain superior performance.
Protection Function Test Mastery: Precision and Safety First
Evaluate with precision the action values and timing of protection functions like
overload, short circuit,
and ground fault, ensuring optimal safety and performance. Assure the unwavering calibrationand operability
of the cutting-edge intelligent release device, guaranteeing cutting-edge protection and functionality.
Outer Packaging: A Fortress of Protection for Your Valuable Equipment
Robust and Resilient: The Ultimate Defense Against Harsh Conditions Wooden boxes, expertly crafted and designed, are strategically selected to deliver unparalleled mechanical strength and durability.
Wooden crates: Ideal for safeguarding large circuit breakers, these crates are expertly crafted to withstand the rigors of international transportation.
Inner Packaging: Cushioned Care for Maximum Protection
Wrap the circuit breaker in multiple layers of premium protective materials such as high-density foam pads, durable bubble film or flexible pearl cotton to significantly reduce the risks of vibration, shock, and collision.
For accommodating larger circuit breakers, the packaging box can feature an innovative layered design, with essential accessories like user manuals, specialized tools, and spare parts) thoughtfully arranged on the upper layer for enhanced accessibility and convenience.
Our production line: Where Cutting-Edge Technology Meets Unmatched Excellence
Mingtuo Electric has emerged as a dominant force within the domestic market while making significant strides on a global scale. Our diverse range of products serves a multitude of industries, including construction, industrial manufacturing, and energy sectors, and has been integral to many prestigious engineering projects, securing the trust and admiration they deserve.
The company remains unwavering in its commitment to its foundational philosophy ofputting the customer first, ensuring exceptional quality, offering unmatched service, and maintaining a sterling reputation in the industry.Moreover, we are dedicated to fostering a culture of relentless innovation and visionary growth. Our company is fortified with an impressive technical base, state-of-the-art production capabilities, and extensive industry expertise in research and development, establishing a name synonymous with professional and technological distinction. We are fully equipped with China's most advanced production, testing, and inspection machinery.
FAQ
Q: What is the product voltage/current range? What's the breaking ability?
A: For detailed and comprehensive information, we invite you to contact our customer service team who will be happy to assist you.
Q: What is the MOQ? Do you support sample ordering?
A: We require a minimum order quantity of just 1 set, and we are delighted to offer sample orders to support our customers.
Q: How long is the warranty period? How to apply for warranty?
A: Our products are protected by a warranty period of one to two years. For application details, please reach out to our customer service team directly.
Q: Do you have CE, RoHS, UL and other certifications? Can you provide a certificate?
A: We are proud to hold CE and RoHS certifications and can readily provide these documents upon your request.
Q: Does the price include tax/shipping?
A: Please be advised that the listed price is exclusive of shipping and tax.
Q: What famous clients or project cases have you worked with?
A: Our distinguished clients include the State Grid of China, Chint Group, and Xiaomi Group, showcasing our esteemed collaborations.