AIR CIRCUIT BREAKER
MTW1-2000, MTW1-3200, MTW1-4000, MTW1-6300, MTW1-7500
Introducing the MTW1 series, an exceptionally designed intelligent breaker crafted for the sophisticated AC 50Hz distribution network. This series boasts a rated voltage of 400V and 690V, and offers an impressive rated current range spanning 400A~7500A. Engineered to perfection, this advanced solution optimally distributes electric energy while providing superior protection for circuits and power equipment against potential hazards such as overload, under-voltage, short circuit and single-phase earth faults. It is equipped with a cutting-edge intelligent protection feature and accurate selective protection mechanisms, significantly boosting power supply reliability and effectively preventing
unnecessary power interruptions.The circuit breaker showcases a remarkable impulse withstand voltage of8000V even at an altitude of 2000 meters, with adjustments available for varying altitudes, capping at a maximum of 12000V).
This outstanding product fully complies with the rigorous standards of GB14048.2 governing low-voltage switchgear and control equipment, with a particular focus on low-voltage circuit breakers. It also adheres to IEC60947-2 standards 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: Experience unmatched precision and outstanding performance with our state-of-the-art control component, expertly crafted to perfectly fulfill all your power management requirements.
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 |
|
|
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COPPER BAR: A Masterpiece of Conductivity
Pristine Red Copper: Experience the pinnacle of quality with our meticulously selected red copper, ensuring unparalleled performance.Exquisite Silver Finish: Admire the flawless silver coating that guarantees enhanced durability and aesthetic appeal. Plated with Precision: Every piece is crafted with exacting precision, resulting in optimal performance and reliability.
Remarkable Heat Dissipation Capabilities: Engineered to efficiently manage heat, ensuring the system remains cool under pressure. Dissipation Capabilities for Optimal Performance: Designed to maximize efficiency and longevity in demanding environments.
Exceptional Corrosion Resistance: Built to withstand the harshest conditions, offering long-lasting protection and reliability.
Enhanced Widening and Thickening: Our copper bars are innovatively designed to meet the highest standards of efficiency and performance. and Thickening of Copper Bar Dimensions: Engineered to provide superior electrical conductivity and structural integrity.
Fully Compliant with Industry Standards: Our products exceed industry benchmarks, ensuring safety and dependability.
INNOVATIVE CONDUCTIVE SYSTEM
The precise number of contact pieces is meticulously determined by the current: Tailored to deliver optimal performance and reliability. is meticulously determined by the current
The robust moving contact is crafted from: Premium materials that promise exceptional durability and efficiency. copper plated with luxurious silver materials
The moving contact features: State-of-the-art engineering, delivering unrivaled conductivity and longevity. brilliant silver dots, ensuring superior conductivity: Engineered to perfection for uncompromised conductivity.
-Sophisticated Internal Components: Our advanced internal systems ensure top-notch performance and reliability.
Superior Conductive Parts:
- Premium Copper Bars, High-Quality Contacts: Constructed with precision to deliver unmatched electrical performance.
Advanced Secondary Control Part:
- Robust Wiring Terminals, Precision Mechanisms, Smart Controllers, Durable Motors, Efficient Coils, and Accurate Current Transformers: A testament to our commitment to innovation and quality, ensuring seamless operation and control.
Highly Efficient Arc Extinguishing Section:
-Cutting-Edge Interrupter: Engineered to provide rapid response and effective arc extinguishment, enhancing safety and reliability.
- Available in Fixed and Versatile Drawer Type Construction: Our designs offer flexibility and adaptability for diverse applications.
Installation Instructions
-Expertly installed within the panel
Fixed Type Installation:
The circuit breaker is robustly secured onto the distribution cabinet or installation board and firmly remains in place.
Perfectly suited for environments where replacements or upkeep are seldom required.
Enjoy effortless installation coupled with exceptional cost-effectiveness.
Drawout Type Installation:
The circuit breaker is housed on an elegantly withdrawable frame crafted for convenient accessibility for maintenance, smooth testing, and effortless interchange.
Ideal for situations requiring frequent operations or routine maintenance.
Though the installation may be complex and costly, it offers superior flexibility.
Plug-in Type Installation:
The circuit breaker effortlessly connects to the busbar through a plug-in interface, promising swift installation and rapid replacements.
Ideal for scenarios where quick exchanges are paramount.
-Secondary Wiring Method
1 and 2: Interface with the intelligent controller
27 and 28:Link with the undervoltage coil
29 and 30: Integrate with the shunt coil
31 and 32:Engage with closed coils
34 and 35: Connect to the energy-storing motor
Comprehensive Mechanical Operation Test:
Scrutinize the mechanical operation of the circuit breaker to ensure it is supremely flexible and unwaveringly reliable.Test the seamless operation functions such as
closing ,opening , and the precision ofenergy storage. Electrical Performance Testing Excellence:Conduct an insulation resistance test with precision: Employ a megohmmeter to meticulously measure the insulation resistance of both main and auxiliary circuits, ensuring they not only meet but surpass standard requirements, typically maintaining a robust level of ≥ 1M Ω.
Power Frequency Withstand Voltage Test: Administer with excellence the rated power frequency voltage (e.g., 2500V/1min) to both the main and auxiliary circuits, rigorously assessing the insulation performance's robustness.
Contact Resistance Test: Meticulously and precisely gauge the contact resistance of the primary contact to ensure it remains beneath the established threshold, commonly at a precise micro ohm level.
Protection Function Test Mastery:
Evaluate with precision the action values and timing of protection functions encompassing
overload, short circuit
, and ground fault. Assure the flawless calibrationand seamless operability
of the cutting-edge intelligent release device.
Outer Packaging: A Fortress of Unyielding Protection
Robust and Resilient Craftsmanship Our wooden boxes are meticulously selected to offer unparalleled mechanical strength and durability.
Wooden crates, tailored for perfection, are ideal for accommodating large circuit breakers and are perfectly suited for international transport.
Inner Packaging: Cushioned Care with Precision
The circuit breaker is enveloped in layers of premium protective materials such as high-density foam pads, durable bubble film or soft pearl cotton to effectively mitigate any risks of vibration or collision during transit.
For larger circuit breakers, the packaging box boasts a sophisticated, ergonomic layered design, with essential accessories like user manuals, specialized tools, and spare partsstrategically placed on the upper layer for enhanced accessibility and convenience.
Our Production Line: Where Cutting-Edge Technology Meets Unparalleled Excellence
Mingtuo Electric With a solid foothold within the domestic market, Mingtuo Electric is progressively expanding its influence on the global stage. Our diverse range of products are widely recognized and utilized in key sectors such as construction, industry, and energy. We've garnered trust and success, becoming an integral part of prominent high-profile engineering projects across the globe.
The company remains unwavering in its commitment to the core philosophy ofplacing the customer at the heart of our operations, ensuring unparalleled quality, delivering exceptional service, and upholding a sterling reputation.Moreover, we dedicate ourselves to fostering a culture of relentless innovation and visionary growth. Our company is proud to offer an impressive technical base, state-of-the-art production facilities, and extensive industry expertise in research and development. We are renowned for our professionalism and technological prowess, 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 an in-depth understanding, we invite you to contact our customer service team directly. They are ready to assist you with comprehensive details.
Q: What is the MOQ? Do you support sample ordering?
A: We are pleased to inform you that the minimum order quantity is as low as 1 set, and we gladly offer support for sample orders to meet your needs.
Q: How long is the warranty period? How to apply for warranty?
A: Our esteemed products come with a warranty period between one to two years. For warranty applications, kindly reach out to our customer service team for seamless assistance.
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 delighted to provide these certificates upon request for your assurance and satisfaction.
Q: Does the price include tax/shipping?
A: Kindly be informed that the listed price excludes shipping and tax. For a tailored quotation, please contact us.
Q: What famous clients or project cases have you worked with?
A: Our prestigious clientele includes industry giants such as the State Grid of China, Chint Group, and Xiaomi Group, reflecting our esteemed reputation and trustworthiness.
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