MOLDED CASE CIRCUIT BREAKER (MTNSX)
100,160,250,400,630,800,1000,1250,1600
The MTNSX series The molded case circuit breaker (MCCB) from Zhejiang Mingtuo Electric Technology Co., Ltd. represents a pinnacle of innovation in electrical protection, earning widespread acclaim for its exceptional performance across industrial, commercial, and infrastructural sectors. This state-of-the-art solution is equipped with the following cutting-edge features:
1. High segmentation capability: With an unparalleled breaking capacity, it provides steadfast protection against short circuits and overloads, ensuring the safe and reliable operation of your electrical systems.
2. Modular design: It accommodates a wide range of functional modules, including leakage protection, communication modules, and more, addressing various needs while enhancing adaptability.
3. Precise protection: Featuring either a thermal magnetic release or electronic release, this device provides precise and dependable defense against overloads, short circuits, and ground faults.
4. Compact structure: Its sleek, space-saving design is ideal for densely populated distribution cabinets, significantly boosting installation efficiency.
5. Intelligent function: Outfitted with communication interfaces, such as Micrologic, it enables seamless remote monitoring and sophisticated energy management.
6. High durability: Constructed from superior materials and leveraging advanced technology, it promises remarkable durability and consistent top-tier performance.

-RATED CURRENT: This exceptional component spans an impressive current range from 10A to 100A, allowing you to seamlessly adapt to a myriad of applications. It ensures you have the flexibility to precisely meet your diverse electrical demands with effortless 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: Meticulously crafted to deliver superior performance and unrivaled safety, this feature ensures your circuit breaker responds with swift precision to any overcurrent conditions, protecting your system with the utmost reliability.
T: This offers effortless adjustability for precise control within an extensive range of (0.8~1ln), empowering you with the capability to tailor your circuit breaker settings to align perfectly with the specific needs of your electrical configuration.adjustable (0.8~1ln): Providing customizable performance, this feature offers you the flexibility to fine-tune your system according to precise requirements, ensuring your electrical operations are optimized for peak efficiency.
M: Features an impressive dynamic adjustable range for superior functionality between (5~10ln), granting you exceptional adaptability and control, even in the most dynamic environments. adjustable (5~10ln): Engineered to deliver maximum efficiency and dependability, this feature is customized to fulfill the unique demands of your application, significantly enhancing the performance and reliability of your electrical system.
Installation Instructions
- To achieve unparalleled performance, ensure that your installation within the panel is both solid and unwavering.
Installation method:
Fixed installation
Distribution box: Install with precision and care within the distribution box, ensuring maximum stability and prolonged lifespan.
Vertical installation
Direction: Generally installed in a vertically upright position, with the operating handle oriented upwards for effortless access and flawless operation.
Avoid: Refrain from inverted installations unless explicitly sanctioned by the product guidelines.
Connection
Power cord:Securely link the power cord to the input terminal of the circuit breaker, marked 'L1', 'L2', 'L3', ensuring a steadfast and dependable power connection.
Load line: Connect the load line to the output terminal, marked 'T1', 'T2', 'T3', to achieve smooth and balanced load allocation.
Grounding wire:If a grounding terminal is present, it must be securely connected to guarantee unbeatable safety.
Distance requirements
Spacing: Ensure ample spacing from adjacent devices to foster superior heat dissipation and streamline maintenance.
Reference: For detailed spacing directives, please refer to the product manual.
Safety precautions
Power off operation: Power must be decisively turned off during installation to mitigate any risk of electric shock.
Protective equipment:Employ insulated gloves and goggles to maintain robust personal protection throughout the process.
Standard compliance:Strict observance of electrical installation standards is crucial to ensuring safe and compliant operational integrity.
-Meticulous Factory Testing Protocols
Comprehensive and Thorough Mechanical Operation Evaluation
Content: Conduct an extensive array of precise operations on the circuit breaker to confirm an impeccably smooth and efficient opening and a secure, seamless closing with unmatched flexibility and ultimate reliability, ensuring the pinnacle of industry standards.
In-Depth Insulation Resistance Evaluation
Content: Employ an advanced and state-of-the-art insulation resistance tester to meticulously and precisely assess the insulation resistance between each pole of the circuit breaker as well as between the pole and its protective casing, ensuring optimal safety and peak performance.
Robust Voltage Withstand Evaluation
Content: Administer a robust high voltage (typically twice the rated voltage plus an additional 1000V) for a precise duration of 1 minute, observing vigilantly for any indications of breakdown phenomena, ensuring impeccable resilience and strength.
Comprehensive Temperature Rise Evaluation
Content: Operate at the meticulously designated rated current, making precise and accurate measurements of the temperature increase, at the terminal and contact points of the wiring, ensuring optimal thermal management and performance.
-Excellence in Practical On-Site Testing
Power-On Performance Evaluation
Content: Validate that the circuit breaker can reliably and consistently open and close without any malfunctions once powered on, maintaining exceptional performance.
Mastery of the Protection Function Test Suite
Overload Protection Precision Assessment: Engage in a simulated overload scenario, to confirm the circuit breaker triggers a precise and swift trip within the specified timeframe, ensuring steadfast and dependable protection.
Short Circuit Protection Robust Evaluation: Execute a simulated short circuit event, to ensure the circuit breaker responds with an immediate and decisive tripping action, guaranteeing safety and unwavering reliability.
-Inner Packaging
Our inner packaging is crafted with premium shockproof materials that elegantly envelop your Versatile Circuit Breaker 160n Model, ensuring unmatched protection and tranquility.
Material: We incorporate cutting-edge foam and protective bubble filmamong other superior materials, to guarantee comprehensive safeguarding.
Placement: Our precision placement strategy completely surrounds the circuit breaker, delivering top-to-bottom security par excellence.
-External Packaging
Our external packaging is designed with a robust and resilient carton
Material: Crafted from premium high-strength corrugated cardboard, offering formidable durability and strength.
Carton Sealing
Method: We use a method of robust sealing, employing durable, top-tier tape or secure strapping techniques.
Requirement: We strive for an impenetrable seal, meticulously preventing any potential transit damage to the box.
Identification and Labeling
Content:Our labels are detailed, specifying the product model, exact quantity, weight, and manufacturer information, augmented by crucial transportation labels (such as fragile, upward, moisture-proof, etc.) to guarantee optimal handling.
Location: These labels are prominently displayed on the carton exterior for seamless identification by handlers.
Our Production Line: Elegantly engineered, our production line is a masterpiece of efficiency and productivity to satisfy your requirements.
Transport
Domestic Transportation
We expertly leverage your chosen freight forwarder in China, orchestrating delivery to your specified location via road transportation or rapid domestic express delivery, ensuring swift completion post-production.
International Transport
For smaller consignments necessitating fast delivery to any specified international destination, we strategically align with top-tier international express services like
DHL, FEDEX, and UPS
Sea Freight/Air Freight
Opt for sea freight for your bulk shipments when flexible timing is an option, partnering with a trustworthy freight companyto manage truck pickups and transportation to the designated port for secure warehousing.Ultimately, your goods will voyage across the seas to your nominated port, prepared for timely pickup with a bill of lading, ensuring a seamless and efficient process.
Mingtuo Electric Mingtuo Electric stands as a beacon of excellence, not only within our domestic sphere but also on the expansive global stage. Our state-of-the-art products are integral to the foundational sectors of construction, industry, and energy. Trusted by eminent engineering projects around the world, our solutions have garnered respect and admiration on an international scale.
Our company is deeply committed to the esteemed principle of1 placing customer needs at the forefront, ensuring unrivaled quality, delivering exceptional service, and maintaining an impeccable reputation across every endeavor.2 We are passionately dedicated to the philosophy of dynamic innovation and consistent growth, taking immense pride in our formidable technical prowess, cutting-edge production technology, and vast industry experience, setting us apart as leaders in our field. Our expertise in pioneering research and development is unmatched, renowned for technological innovation. We are equipped with an outstanding collection of the most advanced production, testing, and inspection equipment available in China, ensuring excellence at every step.
Frequently Asked Questions (FAQ)
Q: What is the product voltage/current range? What's the breaking ability?
A: For detailed and customized specifications to suit your requirements, please reach out to our dedicated customer service team, who are ever-ready to assist with expertise.
Q: What is the MOQ? Do you support sample ordering?
A: Our minimum order quantity is thoughtfully set at a single set, and we enthusiastically support sample orders, ensuring your needs are perfectly met.
Q: How long is the warranty period? How to apply for warranty?
A: Our products come with a solid warranty period ranging from one to two years, and applying for warranty is a seamless experience via our efficient customer service process.
Q: Do you have CE, RoHS, UL, and other certifications? Can you provide a certificate?
A: We proudly possess the prestigious CE and RoHS certifications and can readily provide these certificates as a testament to our unwavering commitment to quality.
Q: Does the price include tax/shipping?
A: Please note that our listed prices are exclusive of shipping and tax, ensuring transparency and clarity in every transaction. Your trust is our priority.
Q: What famous clients or project cases have you worked with?
A: We are honored to have collaborated with globally renowned clients such as the State Grid of China, Chint Group, and Xiaomi Group, reinforcing our reputation as a trusted partner in the industry.