MOLDED CASE CIRCUIT BREAKER (MTNSX)
100,160,250,400,630,800,1000,1250,1600
The MTNSX series The MTNSX series molded case circuit breaker (MCCB) by Zhejiang Mingtuo Electric Technology Co., Ltd. is a premier choice for comprehensive electrical protection. Renowned for its outstanding performance across a multitude of sectors including industrial, commercial, and infrastructure, this product is designed to meet the highest standards of safety and reliability. Key attributes of this remarkable MCCB include:
1. High segmentation capability: With an extraordinary breaking capacity, this MCCB provides robust protection against the perils of short circuits and overloads, ensuring your electrical systems operate safely and reliably.
2. Modular design: This MCCB flawlessly incorporates a wide range of functional modules, such as leakage protection, communication modules, etc. This flexibility allows it to meet diverse requirements while significantly enhancing its adaptability for various applications.
3. Precise protection: Equipped with options for either thermal magnetic release or electronic release, this MCCB provides precise and reliable protection against overloads, short circuits, and ground faults, safeguarding your systems with precision.
4. Compact structure: Its innovative, space-efficient design is perfect for tightly packed distribution cabinets, optimizing installation space and efficiency.
5. Intelligent function: Featuring advanced communication interfaces, such as Micrologic, this MCCB enables seamless remote monitoring and offers comprehensive solutions for energy management.
6. High durability: Constructed from premium materials and utilizing cutting-edge technology, it promises long-lasting durability and outstanding performance over time, making it a reliable choice for your electrical needs.

-RATED CURRENT: Dive into an extraordinary spectrum of possibilities with our rated current, which offers remarkable adaptability. It's perfectly engineered to meet your diverse and specific requirements with seamless ease and precision.
MTNSX-100 |
In(A) |
12.5,16,20,25,32.40.50.63.80,100 |
MTNS-800 |
In(A) |
800 |
MTNSX-160 |
In(A) |
16.20.25.32.40.50.63.80.100.125.160 |
MTNS-1000 |
In(A) |
1000 |
MTNSX-250 |
In(A) |
160,180,200,225,250 |
MTNS-1250 |
In(A) |
1250 |
MTNSX-400 |
In(A) |
315, 350, 400 |
MTNS-1600 |
In(A) |
1600 |
MTNSX-630
|
In(A) |
400,500,630 |
|
|
|
-THERMAL MAGNETIC RELEASE: Impeccably engineered for outstanding performance, this sophisticated feature ensures unmatched safety. It's a crucial component designed to give you peace of mind, knowing that superior protection is uncompromisingly secured.
T: Revel in the luxury of effortless adjustability, offering precision control between 0.8 to 1ln. This ensures that every application is finely tuned to the pinnacle of perfection, providing you with the ultimate level of customization and control.adjustable (0.8~1ln): Unlock unparalleled flexibility with our adjustable settings, allowing you to tailor performance precisely to your unique specifications. Achieve tailor-made solutions with effortless precision and ease, transforming your operational experiences.
M: Experience superior functionality with a dynamic adjustable range from 5 to 10ln. This feature significantly elevates efficiency and adaptability, offering heightened levels of operational excellence for a broad array of applications. adjustable (5~10ln): Ensure peak performance with our customizable adjustments, delivering maximum efficiency and reliability. This feature is meticulously designed to fulfill your distinct needs seamlessly and smoothly, enhancing your operational dynamics.
Installation Instructions
- For unparalleled performance and extended product life, ensure that installation within the panel is secure and precise. This guarantees not only reliability but also maximizes the lifespan of your High-Quality Overload Protection.
Installation method:
Fixed installation
Distribution box: Install with utmost care and precision within the distribution box. This dedication to meticulous installation assures maximum stability, thereby enhancing durability and ensuring the device remains steadfast and reliable.
Vertical installation
Direction: For optimal ease and seamless operation, mount the device vertically. Position the operating handle to face upwards, granting users effortless access and intuitive control.
Avoid: Refrain from inverted installations unless it is clearly specified in the product guidelines. This precaution is vital for maintaining safety and ensuring the product performs at its best.
Connection
Power cord:Ensure a robust and secure connection of the power cord to the circuit breaker input terminal (labeled 'L1', 'L2', 'L3'). This practice is essential to maintain a consistent and dependable power flow, empowering the device's functionality.
Load line: For smooth and efficient load distribution, connect the load line to the output terminal (labeled 'T1', 'T2', 'T3'). This connection is crucial to optimize the performance and efficiency of the electrical system.
Grounding wire:Connect the grounding terminal firmly and securely whenever available. This connection is imperative for ensuring safety and compliance, protecting both the user and the device.
Distance requirements
Spacing: To enable effective heat dissipation and facilitate easier maintenance, maintain ample distance from other devices. This spacing is crucial for optimal device operation and longevity.
Reference: Consult the product manual for exact spacing guidelines and best practices, ensuring all installations meet industry standards and manufacturer recommendations.
Safety precautions
Power off operation: During installation, ensure power is fully turned off to substantially reduce the risk of electric shock, promoting a secure and safe working environment.
Protective equipment:Use insulated gloves and goggles to safeguard personal safety during installation, providing essential protection against potential hazards.
Standard compliance:Adhering strictly to electrical installation specifications is paramount to achieving safe and compliant operations. This adherence ensures both the integrity of the installation and the safety of users.
-Meticulous Factory Testing: A commitment to precision and excellence.
Comprehensive Mechanical Operation Testing: Ensuring seamless performance.
Content: Execute multiple operations on the circuit breaker to ensure smooth opening, and secure closing, with the utmost flexibility and unwavering reliability.
Insulation Resistance Test: Precision in safety.
Content: Employ an advanced insulation resistance tester to meticulously evaluate the insulation resistance between each pole of the circuit breaker and its protective casing, ensuring optimal safety standards.
Voltage Withstand Test: Unyielding under pressure.
Content: Administer a high voltage (typically twice the rated voltage plus an additional 1000V) for a duration of 1 minute, and vigilantly observe for any breakdown phenomena, guaranteeing resilience.
Temperature Rise Test: Stability in performance.
Content: Operate at the designated rated current and accurately measure the temperature increase, at the terminal and contact points of the wiring to certify unwavering functionality.
-Practical On-Site Testing: Real-world assurance.
Power-On Test: Reliability from the first switch.
Content: Verify that the circuit breaker can reliably open and close, without issues once powered on, demonstrating impeccable reliability.
Protection Function Test Suite: A safeguard of excellence.
Overload Protection Assessment: Endurance in every challenge. Conduct a simulated overload scenario to confirm the circuit breaker triggers a trip within the specified timeframe, ensuring superior protection.
Short Circuit Protection Evaluation: Instantaneous action in emergencies. Engage in a simulated short circuit event to ensure the circuit breaker responds with immediate tripping action, providing unparalleled safety.
-Inner Packaging
Our premium shockproof materials cocoon your product, offering extraordinary protection against potential mishaps.
Material: Our sophisticated packaging integrates advanced foam and high-quality bubble film, complemented by other state-of-the-art protective solutions.
Placement: Meticulously positioned to envelop the circuit breaker, providing comprehensive top-to-bottom security.
-External Packaging
Robust carton
Material: Expertly crafted from premium high-strength corrugated cardboard, ensuring unparalleled resilience.
Carton Sealing
Method: Employ exceptionally strong sealing with durable tape or reliable strapping.
Requirement: Attain an impeccable seal to prevent any possible box damage.
Identification and Labeling
Content:Comprehensive details including product model, quantity, weight, manufacturer credentials, and essential transportation labels (such as fragile, upward, moisture-proof, etc.)
Location: Clearly showcased on the outer surface of the cardboard box for instant identification.
Our Production Line: Expertly configured for flawless operations and optimal productivity.
Transport
Domestic Transportation
Utilize your preferred freight forwarder in China; we seamlessly manage delivery to your specified address via road transportation or rapid domestic express delivery following production completion.
International Transport
For smaller shipments needing swift delivery to a specific international destination, we collaborate with elite international express services.
DHL, FEDEX, UPS
Sea Freight/Air Freight
Choose sea freight for larger volumes where time allows for flexibility. Partner with a trustworthy freight company, orchestrating truck collection and transport to the designated port for secure warehousing.Ultimately, goods journey across the seas to your specified port, ready for collection with a bill of lading.
Mingtuo Electric Mingtuo Electric stands as a beacon of excellence in the domestic market, poised to make significant inroads internationally with unwavering enthusiasm. Our products play a crucial role in pivotal sectors such as construction, industry, and energy, where they have been extensively adopted due to their high quality and reliability. Our commitment to superior quality and performance has garnered trust and admiration from prestigious engineering projects worldwide, solidifying our status as the preferred choice for unparalleled excellence.
The company steadfastly adheres to the esteemed principle ofprioritizing customers, ensuring exceptional quality, providing unparalleled service, and upholding a sterling reputation. This unwavering dedication to excellence distinguishes us in the industry, highlighting our commitment to deliver only the best.and consistently embraces the philosophy of innovation and growth. Our company proudly possesses robust technical capabilities, cutting-edge production technology, and extensive experience, which together create a strong foundation for pioneering research and development, driving us forward as leaders in technological advancement. Renowned for our expertise and technological innovation, we boast a comprehensive array of the most advanced production, testing, and inspection equipment available in China. This extensive suite of capabilities ensures that we consistently deliver on our promise of unparalleled quality and reliability.
FAQ
Q: What is the product voltage/current range? What's the breaking ability?
A: For detailed specifications, we invite you to connect with our dedicated customer service team, who are always eager to provide you with all the information you need. Your inquiries are very important to us.
Q: What is the MOQ? Do you support sample ordering?
A: Our minimum order quantity is a mere 1 set. We fully support sample orders, allowing you to experience our product's excellence firsthand without any hassle, ensuring your utmost convenience.
Q: How long is the warranty period? How to apply for warranty?
A: Our product is backed by a comprehensive warranty period ranging from one to two years. To apply for warranty, simply reach out to our customer service for seamless and efficient assistance.
Q: Do you have CE, RoHS, UL, and other certifications? Can you provide a certificate?
A: We proudly possess CE and RoHS certifications. Certificates are readily available upon request, providing you with complete assurance of our compliance and commitment to high-quality standards.
Q: Does the price include tax/shipping?
A: Kindly note that our listed prices do not include shipping and tax. For a comprehensive quote that includes these factors, please feel free to contact us for accurate information.
Q: What famous clients or project cases have you worked with?
A: We have been privileged to collaborate with esteemed clients such as the State Grid of China, Chint Group, and Xiaomi Group. These collaborations showcase our exceptional capability and unwavering commitment to delivering quality.