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 beacon of innovation in electrical protection, celebrated for its unparalleled performance across industrial, commercial, and infrastructural landscapes. This state-of-the-art solution is imbued with remarkable features that encompass:
1. High segmentation capability: Unmatched in its breaking capacity, it provides steadfast protection against short circuits and overloads, ensuring your electrical systems function with the utmost safety and reliability, elevating peace of mind.
2. Modular design: It accommodates a wide spectrum of functional modules (including leakage protection, communication modules, etc.), meeting diverse demands and enhancing flexibility.
3. Precise protection: Featuring either thermal magnetic release or electronic release, this device provides precise and robust protection against overloads, short circuits, and ground faults, ensuring engineering precision and safety.
4. Compact structure: Its sleek, space-saving design is perfect for densely populated distribution cabinets, optimizing installation efficiency and space utilization.
5. Intelligent function: Outfitted with communication interfaces (such as Micrologic) that simplify remote monitoring and advanced energy management, paving the way for futuristic functionality.
6. High durability: Engineered with superior materials and cutting-edge technology, it promises remarkable durability and consistently excellent performance, reaffirming its position as a reliable choice.

-RATED CURRENT: With an impressive spectrum ranging from 10A to 100A, our circuit breaker is engineered for unparalleled versatility, adeptly catering to a wide array of applications. This adaptability ensures seamless integration with your specific electrical needs, providing the ultimate in flexibility and performance.
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: Thoughtfully crafted for optimal performance and unmatched safety, this feature is your safeguard, ensuring the circuit breaker reacts with precision and speed to overcurrent conditions. This ensures the protection of your system and peace of mind.
T: Experience the ease of seamless adjustability with precise control capability within the range of (0.8~1ln). This powerful parameter places control at your fingertips, allowing for meticulous customization to meet and exceed the demands of your electrical setup.adjustable (0.8~1ln): Offering the ultimate in tailored performance, this feature provides flexibility and adaptability, ensuring your electrical system runs at peak efficiency, tailored to your specific needs.
M: Featuring a dynamic adjustable range for enhanced and superior functionality between (5~10ln), this powerful capability offers exceptional adaptability and control, even in the most demanding environments. adjustable (5~10ln): Engineered to deliver maximum efficiency and unwavering reliability, this feature is bespoke to meet the unique demands of your application, significantly boosting the overall performance of your electrical system.
Installation Instructions
- For supreme performance, ensure an unshakeable installation within the panel.
Installation method:
Fixed installation
Distribution box: Delicately install within the distribution box to guarantee utmost stability and longevity.
Vertical installation
Direction: Generally installed in an upright position, with the operating handle facing upwards, ensuring convenient access and seamless operation.
Avoid: Inverted installation is discouraged unless explicitly permitted by the product guidelines.
Connection
Power cord:Securely connect the power cord to the circuit breaker's input terminal, labeled 'L1', 'L2', 'L3', for a steadfast and reliable power flow.
Load line: Connect the load line to the output terminal, labeled 'T1', 'T2', 'T3', to ensure a smooth and balanced load distribution.
Grounding wire:If available, the grounding terminal must be firmly connected for uncompromised safety.
Distance requirements
Spacing: Ensure plenty of space from other devices to encourage exceptional heat dissipation and facilitate maintenance.
Reference: For precise spacing guidelines, please consult the product manual.
Safety precautions
Power off operation: The power must be securely turned off during installation to effectively prevent any electric shock hazards.
Protective equipment:Use insulated gloves and goggles to ensure personal protection at all times.
Standard compliance:Strict adherence to electrical installation specifications is vital to ensure safe and compliant operations.
- Rigorous Factory Testing Protocols
Comprehensive Mechanical Operation Evaluation
Content: Execute a series of precise and methodical operations on the circuit breaker to ensure smooth and efficient opening, combined with secure and seamless closure with exceptional flexibility and utmost reliability, adhering to the highest industry standards.
Insulation Resistance Testing
Content: Employ an advanced insulation resistance tester to meticulously and precisely gauge the insulation resistance between each pole of the circuit breaker as well as between the pole and its protective casing, ensuring superior safety and optimal performance.
Voltage Withstand Testing
Content: Apply a substantial high voltage (typically twice the rated voltage plus an additional 1000V) for a period of 1 minute, carefully observing for any signs of breakdown phenomena, ensuring impeccable resilience and reliability.
Temperature Rise Assessment
Content: Operate at the specified rated current, conducting precise and accurate measurements of the temperature increase, at the terminal and contact points of the wiring, ensuring superior thermal management.
- Practical On-Site Testing Excellence
Power-On Performance Evaluation
Content: Confirm that the circuit breaker can reliably and consistently operate, without any issues once powered on, maintaining superior performance.
Protection Function Test Suite Mastery
Overload Protection Assessment: Simulate an overload scenario, to verify that the circuit breaker triggers a precise and timely trip within the specified timeframe, ensuring dependable protection and reliability.
Short Circuit Protection Evaluation: Implement a simulated short circuit condition, to guarantee that the circuit breaker responds with immediate and decisive tripping action, securing safety and reliability.
-Inner Packaging
Our inner packaging utilizes top-grade shockproof materials, exquisitely encasing your Versatile Circuit Breaker 160n Model. This provides not only exceptional protection but also unparalleled peace of mind.
Material: We use cutting-edge foam and protective bubble film, along with other premium materials, ensuring maximum safeguarding.
Placement: Our meticulous placement strategy envelops the circuit breaker, offering unmatched security from top to bottom.
-External Packaging
Our external packaging boasts a robust and durable carton
Material: Made from superior high-strength corrugated cardboard, it provides remarkable durability and resilience.
Carton Sealing
Method: We utilize a method of robust sealing, employing high-quality, durable tape or reliable strapping methods.
Requirement: Our objective is to achieve an impenetrable seal, effectively preventing any potential damage during transit.
Identification and Labeling
Content:Our comprehensive labels detail the product model, precise quantity, weight, and manufacturer information, alongside strategic transportation labels (such as fragile, upward, moisture-proof, etc.) to ensure optimal handling.
Location: These labels are prominently affixed on the carton exterior for effortless recognition by handlers.
Our Production Line: Expertly designed, our production line is engineered for efficiency and peak productivity to meet all your demands seamlessly.
Transport
Domestic Transportation
We expertly leverage your preferred freight forwarder in China, managing delivery to your specified location via road transport or swift domestic express delivery, ensuring prompt post-production completion.
International Transport
For smaller consignments needing quick dispatch to any specific international destination, we partner strategically with premier international express services like
DHL, FEDEX, and UPS
Sea Freight/Air Freight
Opt for sea freight for bulk shipments when time allows, engaging with a reputable freight companyto coordinate truck pickups and transport to the designated port for secure warehousing.Your goods will seamlessly traverse the seas to your chosen port, ready for swift pickup, accompanied by a bill of lading, ensuring a streamlined and efficient process.
Mingtuo Electric Mingtuo Electric is not just recognized domestically but is ambitiously broadening its horizons on a global scale. Our cutting-edge products are widely utilized in essential sectors such as construction, industry, and energy. They enjoy the trust and admiration of numerous esteemed engineering projects worldwide, highlighting our commitment to excellence.
The company steadfastly adheres to the esteemed principle ofprioritizing customers, ensuring extraordinary quality, offering exceptional service, and maintaining an impeccable reputation in all our pursuits.and consistently champions the philosophy of dynamic innovation and progressive growth. Our company proudly stands by our robust technical capabilities, cutting-edge production technology, and extensive industry experience. in pioneering research and development, acclaimed for our expertise and technological innovation. We are equipped with an impressive array of the finest production, testing, and inspection equipment available in China.
FAQ
Q: What is the product voltage/current range? What's the breaking ability?
A: For tailored specifications suited to your unique requirements, please contact our dedicated customer support team, who are ever ready to assist you.
Q: What is the MOQ? Do you support sample ordering?
A: Our minimum order quantity is graciously set at just 1 set, and we fully support sample orders to accommodate your needs.
Q: How long is the warranty period? How to apply for warranty?
A: The product boasts a robust warranty period ranging from one to two years. Application for warranty is seamless through our efficient customer service process.
Q: Do you have CE, RoHS, UL, and other certifications? Can you provide a certificate?
A: We proudly hold prominent CE and RoHS certifications and can readily provide these certificates to underscore our 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 all our transactions.
Q: What famous clients or project cases have you worked with?
A: We have had the distinct honor of partnering with world-renowned clients, including the State Grid of China, Chint Group, and Xiaomi Group, cementing our reputation as a trusted partner.