Revolutionary AIR CIRCUIT BREAKER
MTW1 Series: MTW1-2000, MTW1-3200, MTW1-4000, MTW1-6300, MTW1-7500
The state-of-the-art MTW1 series intelligent breaker is meticulously crafted for the AC 50Hz distribution network, offering a rated voltage of 400V and 690V, with a generously spanned rated current range from 400Ato an impressive7500A. This sophisticated solution deftly manages the distribution of electric energy while delivering stalwart protection for circuits and power equipment against potential perils of overload, under-voltage, short circuit and single-phase earth faults. Featuring an advanced intelligent protection mechanism and precise selective protection, it remarkably boosts power supply reliability and forestalls
unnecessary power outages.The circuit breaker is endowed with an extraordinary impulse withstand voltage of8000V at an altitude of 2000 meters (adaptations available for different altitudes, with a paramount not exceeding 12000V).
This outstanding product is fully compliant with the stringent standards of GB14048.2 pertaining to low-voltage switchgear and control equipment, pinpointing low-voltage circuit breakers and aligns with IEC60947-2 for low-voltage switchgear and control equipment, part two: low-voltage circuit breaker.
-Style: Sleek Drawer style
-Style: Robust Fixed style
-Model Significance
Pole configuration (4P represents 4 Pole, 3P signifies 3 Pole)
Rated Current Specification
Design Code Identification
Air Circuit Breaker Specification
Enterprise Code

-Control Part: Discover the pinnacle of precision and performance with our advanced control component. Meticulously engineered, this exceptional control system is crafted to perfection to meet all your power management needs. Experience a state-of-the-art control system designed for flawless operation and optimal efficiency, providing unparalleled reliability. Our sophisticated technology ensures every conceivable requirement of modern power management is catered to, elevating your experience to new heights.
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 - Discover unmatched electrical efficiency through our meticulously crafted copper bars, the epitome of conductive excellence.
Pristine Red Copper: Meticulously crafted for superior conductivity, showcasing purity and excellence.Exquisite Silver Finish: Lavishly coated with silver, each piece promises enhanced performance and a touch of elegance. Plated with Precision: Every aspect is diligently plated to ensure exceptional durability and top-tier electrical flow.
Remarkable Heat Management: Ingeniously designed to excel in managing thermal demands with efficiency. Dissipation Capabilities: Expertly engineered to disperse heat efficiently, ensuring consistent, high-level performance. for Optimal Performance: Crafted with utmost precision to guarantee peak operational efficiency.
Exceptional Corrosion Resistance: Engineered to withstand environmental challenges, this product promises extended life and reliability.
Enhanced Widening: Thoughtfully expanded dimensions to boost conductivity and performance. and Thickening: Reinforced for supreme strength, enhancing power distribution efficiency. of Copper Bar Dimensions: Precisely engineered for top-tier electrical performance and reliability.
Fully Compliant with Industry Standards: Assuring reliability and safety across every application for peace of mind.
INNOVATIVE CONDUCTIVE SYSTEM: Pioneering electrical solutions that meet contemporary demands with cutting-edge design and performance.
The precise number of contact pieces: Strategically optimized for superior current flow and efficiency. is meticulously determined by the current: Engineered with precision to align perfectly with your electrical needs.
The robust moving contact is crafted from: Premium materials, ensuring steadfast and reliable performance. copper plated with luxurious silver: An elegant blend of strength and sophistication for unmatched connectivity. materials
The moving contact features: A dedicated design to facilitate optimal electrical transmission seamlessly. brilliant silver: The ultimate choice for unmatched conductivity and electrical performance. dots, ensuring superior conductivity: Expertly designed to deliver the finest electrical interface available.
-Sophisticated Internal Components: Precision-engineered for ultimate reliability and performance.
Superior Conductive Parts: Designed for exceptional power delivery, offering durability and excellence.
- Premium Copper Bars, High-Quality Contacts: The cornerstone of electrical solutions, crafted with unmatched quality and precision.
Advanced Secondary Control Part: Cutting-edge components designed for flawless control and seamless operation.
- Robust Wiring Terminals, Precision Mechanisms, Smart Controllers, Durable Motors, Efficient Coils, and Accurate Current Transformers: Engineered to meet the apex of electrical performance standards with impeccable build quality.
Highly Efficient Arc Extinguishing Section: Embodying innovations that ensure safety and reliability in every use.
-Cutting-Edge Interrupter: Crafted with the latest technology for exceptional arc management and performance.
- Available in Fixed and Versatile Drawer Type Construction: Offering flexibility and adaptability to fulfill specific needs optimally.
Installation Instructions
-Installed inside the panel
Fixed Type Installation:
The circuit breaker is expertly secured to the distribution cabinet or installation board and remains steadfastly in place.
This setup is perfect for environments where replacements or maintenance are seldom needed, ensuring peace of mind and longevity.
Benefit from straightforward installation and cost-effective affordability.
Drawout Type Installation:
The circuit breaker is housed within a withdrawable frame that allows for easy maintenance, smooth testing, and simple replacement.
This setup is optimal for situations requiring frequent operation or ongoing maintenance.
Despite the complex and potentially costly installation, it offers superior adaptability and unmatched convenience, making it a top choice for dynamic systems..
Plug-in Type Installation:
The circuit breaker connects to the busbar with a plug-in mechanism, guaranteeing fast installation and quick replacement.
Ideal for settings where swift replacements are vital, providing efficiency and minimal downtime.
-Secondary Wiring Method
1 and 2: Interface the intelligent controller for enhanced control and precision.
27 and 28:Link the undervoltage coil to ensure optimal performance under varying conditions.
29 and 30: Integrate the shunt coil for efficient energy distribution.
31 and 32:Engage closed coils to maintain system integrity and operation.
34 and 35: Connect the energy-storing motor to assure continuous power availability.
Comprehensive Mechanical Operation Test Excellence:
Dive deep into the mechanical operations of the circuit breaker with precision to ensure it is exceedingly adaptable and unwaveringly reliable.Analyze the seamless and flawless operational capabilities including
closing, opening, and the accuracy inenergy storage. Electrical Performance Testing Mastery:Perform a precise insulation resistance test: Deploy a megohmmeter to measure the insulation resistance of both main and auxiliary circuits with high accuracy, ensuring they surpass standard benchmarks (typically ≥ 1M Ω).
Power Frequency Withstand Voltage Test: Administer the rated power frequency voltage (e.g., 2500V/1min) to both main and auxiliary circuits to assess the strength and soundness of insulation performance.
Contact Resistance Test: Accurately measure the contact resistance of the primary contact to confirm it is below the designated threshold (commonly at a micro ohm level).
Protection Function Test Mastery:
Evaluate the action values and timing of protection functions including
overload, short circuit,
and ground fault with precision. Ensure the precise calibrationand flawless functionality
of the cutting-edge intelligent release device.
Outer Packaging: A Fortress of Protection
Robust and Resilient We utilize wooden boxes that are strategically selected for their unrivaled mechanical strength, ensuring your products are safeguarded through the rigors of transportation.
Wooden crates are the perfect solution for large circuit breakers, expertly designed to meet the demands of international shipping with precision.
Inner Packaging: Cushioned Care
The circuit breaker is enveloped in multiple layers of premium protective materials such as foam pads, bubble film or pearl cotton , effectively minimizing risks associated with vibration and collision, ensuring a safe journey.
For larger circuit breakers, our packaging design includes a sophisticated layered structure, with essential accessories such as manuals, tools, and spare partsmeticulously placed on the upper layer, providing ease of access and convenience.
Our production line: Where Technology Meets Excellence
Mingtuo Electric has firmly established itself as a dominant force in the domestic market and is ambitiously expanding its global footprint. Our diverse product range significantly enhances pivotal sectors such as construction, industry, and energy. We have garnered trust and admiration from numerous prestigious engineering projects worldwide.
The company remains unwavering in its commitment to its core philosophy ofprioritizing the customer first, ensuring unrivaled quality, delivering exceptional service, and maintaining a sterling reputation.Furthermore, we are passionately committed to fostering a culture of relentless innovation and visionary growth. Our company takes pride in possessing a formidable technical foundation, state-of-the-art production capabilities, and profound industry experience in research and development, earning us accolades for our professionalism and technological supremacy. We are equipped with an advanced suite of China's most sophisticated production, testing, and inspection equipment.
FAQ
Q: What is the product voltage/current range? What's the breaking ability?
A: For a comprehensive understanding, please 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 support for sample orders.
Q: How long is the warranty period? How to apply for warranty?
A: Our products come with a warranty period that ranges from one to two years. To initiate a warranty application, please contact our dedicated customer service team directly.
Q: Do you have CE, RoHS, UL, and other certifications? Can you provide a certificate?
A: We proudly hold CE and RoHS certifications and are eager to provide these certificates upon request.
Q: Does the price include tax/shipping?
A: Please be advised 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 includes prestigious names like the State Grid of China, Chint Group, and Xiaomi Group.