AIR CIRCUIT BREAKER
Model Numbers: MTW1-2000, MTW1-3200, MTW1-4000, MTW1-6300, MTW1-7500
The MTW1 series intelligent breaker is expertly crafted for the AC 50Hz distribution network, characterized by its remarkable rated voltage of 400V and 690V, offering a sophisticated rated current range from 400A~7500A. This cutting-edge solution not only distributes electric energy efficiently but also provides formidable protection for circuits and power equipment, safeguarding them against the hazards of overload, under-voltage, short circuit and single-phase earth faults. This advanced breaker is equipped with an intelligent protection feature and a precise selective protection mechanism, significantly boosting power supply reliability and minimizing
unnecessary power disruptions.The circuit breaker impressively withstands an impulse voltage of8000V at an altitude of 2000 meters, with adaptability for various altitudes, reaching a maximum of 12000V).
This exceptional product is in full compliance with the standards of GB14048.2 for low-voltage switchgear and control equipment, specifically designed for low-voltage circuit breakers and meets 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 denotes 4 Pole, 3P denotes 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. Immerse yourself in an unmatched level of sophistication and reliability that ensures seamless integration and optimal functionality, elevating your power solutions to new heights of excellence 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 securely mounted onto the distribution cabinet or installation board and remains stationary.
This setup is perfect for environments where replacements or upkeep are infrequent, offering solid performance with minimal fuss.
Enjoy straightforward installation and affordable cost-efficiency, making it an ideal choice for budget-conscious projects.
Drawout Type Installation:
The circuit breaker is housed on a withdrawable frame designed for convenient maintenance, seamless testing, and effortless replacement.
This configuration is perfect for settings that demand frequent operation or regular maintenance.
While installation can be intricate and costly, it provides enhanced adaptability,offering superior operational flexibility.
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, this system maximizes uptime.
-Secondary Wiring Method
1 and 2: Interface the intelligent controller to ensure seamless automation and control.
27 and 28:Link the undervoltage coil to maintain circuit integrity and prevent disruptions.
29 and 30: Integrate the shunt coil to enable efficient load management.
31 and 32:Engage closed coils to secure circuit connectivity and reliability.
34 and 35: Connect the energy-storing motor for optimal power management and efficiency.
Comprehensive Mechanical Operation Test:
Thoroughly examine the mechanical operations of the circuit breaker, ensuring it showcases exceptional flexibility and steadfast reliability.Test the smooth and flawless operation of key functions such as
closing ,opening , and verify the accuracy of itsenergy storage mechanism. Excellence in Electrical Performance Testing:Perform a meticulous insulation resistance test: Utilize a megohmmeter to assess the insulation resistance of both main and auxiliary circuits, ensuring they exceed industry standards (typically ≥ 1M Ω).
Power Frequency Withstand Voltage Test: Apply the rated power frequency voltage (e.g., 2500V/1min) to both main and auxiliary circuits, verifying the durable and robust nature of the insulation's performance.
Contact Resistance Test: Precisely measure the contact resistance of the primary contact to ensure it remains comfortably below the set threshold (commonly at a micro ohm level).
Mastery of Protection Function Testing:
Assess the precision of action values and timing for protection functions including
overload, short circuit
, and ground fault. Guarantee the accurate calibrationand seamless operability
of the advanced intelligent release device.
Outer Packaging: A Fortress of Protection
Robust and Resilient Meticulously engineered wooden boxes are strategically selected to offer unparalleled mechanical strength, ensuring maximum protection.
Our wooden crates are expertly crafted, making them ideal for accommodating substantial circuit breakers. These crates are perfectly tailored to meet the demanding needs of international transportation.
Inner Packaging: Cushioned Care
Circuit breakers are enveloped securely in layers of superior protective materials such as high-density foam pads, durable bubble film or premium pearl cotton to effectively mitigate the risks associated with vibration and collision during transit.
For larger circuit breakers, our packaging box can feature an innovative layered design, with essential accessories like comprehensive manuals, precision tools, and spare partsthoughtfully positioned on the upper layer to enhance accessibility and convenience.
Our production line: Where Technology Meets Excellence
Mingtuo Electric has firmly established itself as a powerhouse in the domestic market and is ambitiously expanding its presence on the global stage. Our exceptional products are widely used across vital sectors including construction, industry, and energy. They have earned the trust and admiration of numerous prestigious engineering projects.
The company is unwavering in its dedication to its core philosophy ofplacing the customer at the forefront, ensuring superior quality, delivering exceptional service, and upholding an exemplary reputation in the industry.Moreover, we are devoted to fostering a culture of relentless innovation and forward-looking growth. Our company prides itself on a strong technical foundation, state-of-the-art production capabilities, and extensive industry expertise. in research and development, earning accolades for our professionalism and technological prowess. We are equipped with China's most advanced production, testing, and inspection equipment.
FAQ
Q: What is the product voltage/current range? What's the breaking ability?
A: For detailed and comprehensive information, please contact 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 provide support for sample orders.
Q: How long is the warranty period? How to apply for warranty?
A: Our products come with a warranty period ranging from one to two years. Please contact our customer service team directly to apply.
Q: Do you have CE, RoHS, UL and other certifications? Can you provide a certificate?
A: We proudly hold CE and RoHS certifications and will gladly provide these certificates upon request.
Q: Does the price include tax/shipping?
A: Please be aware that shipping and tax are not included in the listed price.
Q: What famous clients or project cases have you worked with?
A: Our distinguished clientele features the State Grid of China, Chint Group, and Xiaomi Group.