AIR CIRCUIT BREAKER
MTW1-2000, MTW1-3200, MTW1-4000, MTW1-6300, MTW1-7500
Introducing the MTW1 series intelligent breaker, meticulously engineered for seamless integration in AC 50Hz distribution networks, boasting a reliable rated voltage of 400V and 690V, and designed to accommodate an expansive rated current range stretching from 400A~7500A. This state-of-the-art solution ensures efficient electric energy distribution and offers steadfast protection for circuits and power equipment, shielding them from potential hazards such as overload, under-voltage, short circuit and single-phase earth faults. Outfitted with an intelligent protection feature and fine-tuned selective protection, it remarkably boosts power supply reliability and wards off
unnecessary power interruptions.The circuit breaker showcases an impressive impulse withstand voltage of8000V at an altitude of 2000 meters (adaptations provided for different altitudes, with a peak not exceeding 12000V).
This exceptional product aligns with the prestigious standards of GB14048.2 for low-voltage switchgear and control equipment, focusing on low-voltage circuit breakers and complies 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. Experience unparalleled efficiency and reliability, ensuring seamless operation and optimal functionality for your power systems. Elevate your standards with technology crafted to perfection.
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
- Seamlessly installed within the panel
Fixed Type Installation:
The circuit breaker is meticulously secured within the distribution cabinet or installation board, ensuring a stable and stationary setup.
This configuration is ideal for environments with infrequent replacements or maintenance needs.
Experience a hassle-free installation process accompanied by budget-friendly cost-effectiveness.
Drawout Type Installation:
The circuit breaker is positioned within a withdrawable frame that is expertly designed for easy maintenance, smooth testing, and effortless replacements.
This method is perfect for scenarios that necessitate frequent operations or regular maintenance routines.While the installation can be intricate and may incur higher costs, it offers
superior adaptability and flexibility .
Plug-in Type Installation:
The circuit breaker seamlessly connects to the busbar with a plug-in system, ensuring rapid installation and swift replacement.
This solution is ideal for environments where quick replacements are a priority.
-Secondary Wiring Method
1 and 2: Seamlessly interface the intelligent controller
27 and 28:Effortlessly link the undervoltage coil
29 and 30: Integrate the shunt coil with precision
31 and 32:Engage closed coils seamlessly
34 and 35: Expertly connect the energy-storing motor
Comprehensive Mechanical Operation Test: Dive deep into the detailed mechanics of the circuit breaker, guaranteeing its flawless operation.
Scrutinize the mechanical operation of the circuit breaker to ensure it is exceptionally flexible, supremely adaptable, and unwaveringly dependable, confirming reliability at every turn.Test the seamless operation functions such as the smooth and,
effortless closing of the circuit breaker, ensuring every connection is made with precision,swift opening to, instantly respond to any requirement, and the precision ofenergy storage, maintaining optimal energy levels consistently. Electrical Performance Testing Excellence: Pioneering the path of electrical integrity and superior performance.Conduct an insulation resistance test: Utilize advanced megohmmeters to measure insulation resistance of both main and auxiliary circuits, ensuring they exceed standard requirements (typically ≥ 1M Ω), thus achieving new heights of safety.
Power Frequency Withstand Voltage Test: Apply the rated power frequency voltage (e.g., 2500V/1min) to both main and auxiliary circuits, evaluating the unparalleled robustness of insulation performance.
Contact Resistance Test: Precisely measure the contact resistance of the primary contact, ensuring it remains beneath the stringent threshold (commonly at a micro ohm level), thereby confirming impeccable connectivity.
Protection Function Test Mastery: Master the critical protection functions to secure and safeguard operations.
Evaluate the action values and timing of protection functions such as,
overload, ensuring the system is ever-ready to handle excess demand; short circuit,
responding effectively to sudden surges; and ground fault, maintaining the highest standards of safety. Assure the meticulous calibration and precise operabilityof the cutting-edge intelligent release device, ensuring it leads the charge in innovation.
Outer Packaging: A Fortress of Protection
Robust and Resilient Crafted from premium wooden boxes are strategically selected to offer unparalleled mechanical strength, ensuring that your valuable equipment remains shielded from external forces.
These wooden crates are the quintessential choice for accommodating large circuit breakers, perfectly tailored for seamless international transportation, providing peace of mind across borders.
Inner Packaging: Cushioned Care
Envelop the circuit breaker in layers of protective materials such as, meticulously designed to provide a buffer against external shocks: foam pads, bubble film or pearl cotton to effectively mitigate the risks of vibration and collision, safeguarding your product throughout transit.
For larger circuit breakers, the packaging box can feature a sophisticated layered design, ensuring that essential accessories such as manuals, tools, and spare partsare thoughtfully placed on the upper layer to enhance accessibility and usability right from unboxing.
Our production line: Where Technology Meets Excellence
Mingtuo Electric Mingtuo Electric has firmly established itself as a powerhouse in the domestic market, and is making waves on the international stage. Our exceptional range of products is widely utilized across a variety of sectors, including construction, industry, and energy, gaining trust and recognition from numerous high-profile engineering projects.
The company remains unwavering in its dedication to its core philosophy ofplacing the customer at the heart of everything, ensuring superior quality, delivering unmatched service, and preserving an outstanding reputation.Additionally, we are devoted to fostering a culture of continuous innovation and forward-looking growth. Our company takes pride in possessing a solid technical base, state-of-the-art production facilities, and extensive industry experience in research and development, establishing a name synonymous with professionalism and technological prowess. We are equipped with an extensive array of 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 an in-depth understanding, we encourage you to contact our customer service team directly.
Q: What is the MOQ? Do you support sample ordering?
A: The minimum order quantity is 1 set, and we are delighted to support sample orders.
Q: How long is the warranty period? How to apply for warranty?
A: Our products are backed by a warranty period of one to two years. To apply, please reach out to our dedicated customer service team.
Q: Do you have CE, RoHS, UL and other certifications? Can you provide a certificate?
A: We proudly hold CE and RoHS certifications, and we are more than willing to provide these certificates upon request.
Q: Does the price include tax/shipping?
A: Please be informed that shipping and tax are not included in the listed price.
Q: What famous clients or project cases have you worked with?
A: Our prestigious clientele includes the State Grid of China, Chint Group, and Xiaomi Group.