MOLDED CASE CIRCUIT BREAKER (MTNSX)
100, 160, 250, 400, 630, 800, 1000, 1250, 1600
The MTNSX series molded case circuit breaker (MCCB) stands as a premier electrical protection solution, renowned for its outstanding performance in industrial, commercial, and infrastructural domains. Key attributes of this exceptional product include:
1. High segmentation capability: With remarkable breaking capacity, it provides unwavering protection against short circuits and overloads, safeguarding the integrity and reliability of your electrical systems.
2. Modular design: Supports a variety of functional modules, such as leakage protection, communication modules, etc., to meet diverse requirements and enhance adaptability.
3. Precise protection: Equipped with either thermal magnetic release or electronic release for precise and reliable safeguarding against overloads, short circuits, and ground faults.
4. Compact structure: Its space-efficient design is ideal for dense distribution cabinets, enhancing installation efficiency.
5. Intelligent function: Boasts communication interfaces, such as Micrologic, allowing for seamless remote monitoring and comprehensive energy management solutions.
6. High durability: Engineered with premium materials and state-of-the-art technology, it ensures outstanding longevity and consistent high performance.

-RATED CURRENT: Embrace an extensive and impressive current range that effortlessly adapts to your varied needs, ensuring flexibility and efficiency in every application.
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: Engineered with precision to provide optimal performance and uncompromised safety, this feature is a testament to cutting-edge technology and reliability.
T: Experience seamless adjustability with a fine-tuned control system, precisely calibrated for your exact specifications, ranging from (0.8~1ln).adjustable (0.8~1ln): Offers a customizable performance experience that aligns perfectly with your unique requirements, ensuring flawless operation.
M: Command an expansive adjustable range, designed to deliver enhanced functionality and superior control between (5~10ln), catering to diverse operational demands. adjustable (5~10ln): Guarantee maximum efficiency and reliability with this tailored solution, crafted to meet your specific operational needs seamlessly.
Installation Instructions
- Ensure a robust and secure installation within the panel to guarantee optimal performance and longevity.
Installation method:
Fixed installation
Distribution box: Meticulously install within the distribution box to guarantee unparalleled stability and enduring durability.
Vertical installation
Direction: Typically installed in a vertical orientation, with the operating handle facing upwards for effortless access and smooth operation.
Avoid: Inverted installation is discouraged unless explicitly approved by the comprehensive product guidelines.
Connection
Power cord:Ensure a secure and steadfast connection to the input terminal of the circuit breaker (identified as 'L1', 'L2', 'L3') for assured and reliable power flow.
Load line: Connect seamlessly to the output terminal (indicated as 'T1', 'T2', 'T3') to ensure smooth and efficient load distribution.
Grounding wire:When available, it is imperative that the grounding terminal is firmly and securely connected to ensure paramount safety.
Distance requirements
Spacing: Maintain adequate and generous spacing from other devices to promote excellent heat dissipation and facilitate ease of maintenance.
Reference: For precise and detailed spacing guidelines, please refer to and consult the comprehensive product manual.
Safety precautions
Power off operation: Power must be completely turned off and secured during installation to effectively prevent any risk of electric shock hazards.
Protective equipment:Ensure the use of high-quality insulated gloves and protective goggles for enhanced personal safety and protection.
Standard compliance:Adhere rigorously and strictly to all electrical installation specifications to ensure safe, compliant, and optimal operations.
-Meticulous Factory Testing: At Zhejiang Mingtuo Electric Technology Co., Ltd., our Premium Circuit Breaker 160n undergoes rigorous testing to ensure top-tier performance in real-world applications.
Comprehensive Mechanical Operation Testing: Our meticulous process ensures each product performs seamlessly under various conditions.
Content: Execute a series of precise operations on the circuit breaker to verify its flawless execution, smooth opening, and secure closing with exceptional flexibility and unwavering reliability.
Insulation Resistance Test
Content. Utilize an advanced insulation resistance tester to diligently assess the insulation resistance across each pole and between the pole and its protective casing, ensuring optimal electrical insulation.
Voltage Withstand Test
Content: Apply a substantial voltage (generally twice the rated voltage plus an additional 1000V) for a duration of 1 minute, carefully monitoring for any potential breakdowns, guaranteeing the resilience of our circuit breaker.
Temperature Rise Test
Content: Operate at the specified rated current, precisely measuring the temperature increase at the wiring's terminal and contact points, ensuring safe operational temperatures.
-Practical On-Site Testing: Ensuring real-world readiness with our exhaustive testing procedures.
Power-On Test
Content: Confirm that the circuit breaker can reliably open and close without complications once powered, affirming its dependable functionality.
Protection Function Test Suite
Overload Protection Assessment: Perform a simulated overload scenario to ensure the circuit breaker initiates a trip within the designated timeframe, safeguarding your systems effectively.
Short Circuit Protection Evaluation: Engage in a simulated short circuit event to verify the circuit breaker's instantaneous tripping response, ensuring prompt protection against electrical anomalies.
-Inner Packaging
Our premium shockproof materials cocoon your product in unparalleled protection, ensuring it withstands every journey with the utmost care.
Material: State-of-the-art foam and bubble film, along with other cutting-edge materials.
Placement: Intelligently arranged to wrap the circuit breaker in comprehensive, top-to-bottom security.
-External Packaging
Sturdy carton
Material: Premium-grade high-strength corrugated cardboard box, built to endure.
Carton Sealing
Method: Utilize formidable sealing with tough, durable tape or reliable, secure strapping.
Requirement: Create a virtually unbreakable seal that guards against any conceivable box damage.
Identification and Labeling
Content:Comprehensive details including product model, exact quantity, weight, manufacturer information, and strategic transport labels (like fragile, handle with care, keep dry, and more)
Location: Prominently positioned on the box exterior for effortless recognition.
Our Production Line: Meticulously designed for flawless operations and unmatched productivity.
Transport
Domestic Transportation
Employ your preferred freight forwarder in China; we skillfully manage delivery to your location via road transport or efficient domestic express delivery post-production.
International Transport
For smaller, time-sensitive shipments to a specific international locale, collaborate with leading global express providers.
DHL, FEDEX, UPS
Sea Freight/Air Freight
Choose sea freight for substantial shipments with flexible timing. Coordinate with a trusted freight company, managing truck pickup and delivery to the port for warehousing.Goods then journey across the seas to your selected port, poised for pickup with a bill of lading.
Mingtuo Electric Mingtuo Electric stands as a beacon of excellence, not only holding a prestigious position within the domestic market but also ambitiously expanding its influence on the global stage. Our products are integral to essential sectors such as construction, industry, and energy, earning the trust and admiration of numerous high-profile engineering projects worldwide.
The company adheres unwaveringly to the esteemed principle ofprioritizing customers, ensuring unmatched quality, providing unparalleled service, and upholding a sterling reputation.and consistently embraces the transformative philosophy of relentless innovation and growth. Our company proudly demonstrates robust technical capabilities, cutting-edge production technology, and extensive experience in pioneering research and development, renowned for our expertise and technological innovation. We boast a comprehensive inventory of the most advanced production, testing, and inspection equipment available in China, ensuring excellence in every product.
FAQ
Q: What is the product voltage/current range? What's the breaking ability?
A: For detailed and precise specifications, please reach out to our dedicated customer service team, ready to assist with all your inquiries.
Q: What is the MOQ? Do you support sample ordering?
A: Our minimum order quantity is a single set, and we are pleased to offer support for sample orders, ensuring you experience our quality firsthand.
Q: How long is the warranty period? How to apply for warranty?
A: The product is backed by a warranty period ranging from one to two years. Application for warranty is straightforward through our efficient customer service.
Q: Do you have CE, RoHS, UL and other certifications? Can you provide a certificate?
A: We proudly hold CE and RoHS certifications and can readily provide these certificates upon request, ensuring compliance and peace of mind.
Q: Does the price include tax/shipping?
A: Kindly note that our listed prices do not include shipping and tax; these are calculated separately.
Q: What famous clients or project cases have you worked with?
A: We have had the privilege of collaborating with esteemed clients such as the State Grid of China, Chint Group, and Xiaomi Group, showcasing our capability and commitment to excellence.