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 engineering excellence, admired for its superior performance across industrial, commercial, and infrastructural applications. This state-of-the-art device is enriched with compelling features, including:
1. High segmentation capability: Possessing unmatched breaking capacity, it ensures steadfast protection from short circuits and overload scenarios, safeguarding the safe and reliable operation of your electrical systems.
2. Modular design: It accommodates an extensive suite of functional modules (such as leakage protection, communication modules, etc.), catering to diverse needs and enhancing system flexibility.
3. Precise protection: Equipped with either a thermal magnetic release or electronic release, it offers precise and reliable protection against overloads, short circuits, and ground faults.
4. Compact structure: Its compact and space-efficient design is perfect for tightly packed distribution cabinets, optimizing installation efficiency.
5. Intelligent function: Featuring communication interfaces (such as Micrologic), it allows seamless remote monitoring and sophisticated energy management.
6. High durability: Constructed from premium materials with cutting-edge technology, it promises superior durability and consistently high performance.

-RATED CURRENT: Experience unparalleled versatility with an impressive spectrum ranging from 10A to 100A. This key feature grants you the flexibility and power to cater to a myriad of application needs, ensuring that your electrical demands are met with precision and ease.
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 engineered for top-tier performance and unmatched safety, this robust feature ensures that your circuit breaker reliably and swiftly reacts to overcurrent situations, safeguarding your electrical systems with confidence.
T: Discover the power of perfect control with seamless adjustability within a finely tuned range of (0.8~1ln). This parameter empowers you with the capability to precisely calibrate your circuit breaker, ensuring it aligns perfectly with the unique demands of your electrical configuration.adjustable (0.8~1ln): Designed for bespoke performance, this flexible adjustment option enables your system to cater to specific requirements, ensuring that your electrical infrastructure operates at its optimal capacity with heightened efficiency.
M: Harness the potential of superior adaptability with a dynamic adjustable range from (5~10ln). This feature offers remarkable control and functionality, especially in ever-changing environments, to meet and exceed your operational expectations. adjustable (5~10ln): Skillfully crafted for excellence, this feature is customized to fulfill the distinctive needs of your application, boosting the overall efficacy and dependability of your electrical framework.
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.
-Meticulous Factory Testing Protocols
Comprehensive Mechanical Operation Evaluation
Content: Conduct a series of precise operations on the circuit breaker to ensure smooth and efficient opening and secure, seamless closing with unparalleled flexibility and utmost reliability, ensuring the highest standards.
Insulation Resistance Evaluation
Content: Utilize an advanced and sophisticated insulation resistance tester to meticulously and precisely measure the insulation resistance between each pole of the circuit breaker as well as between the pole and its protective casing, ensuring optimal safety and performance.
Voltage Withstand Evaluation
Content: Administer a substantial high voltage (customarily twice the rated voltage plus an additional 1000V) for a duration of 1 minute, observing vigilantly for any signs of breakdown phenomena, ensuring impeccable resilience.
Temperature Rise Evaluation
Content: Operate at the specified 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.
-Practical On-Site Testing Excellence
Power-On Evaluation
Content: Validate that the circuit breaker can reliably and consistently open and close without any issues once powered on, maintaining impeccable performance.
Protection Function Test Suite Mastery
Overload Protection Assessment: Engage in a simulated overload scenario, to confirm the circuit breaker triggers a precise and timely trip within the specified timeframe, ensuring dependable protection.
Short Circuit Protection Evaluation: Execute a simulated short circuit event, to ensure the circuit breaker responds with immediate and decisive tripping action, guaranteeing safety and reliability.
-Inner Packaging
Our inner packaging boasts luxurious shockproof materials that envelop your Versatile Circuit Breaker 160n Model with utmost care, offering unparalleled protection and peace of mind.
Material: We utilize state-of-the-art foam and protective bubble film, along with other top-tier materials, to ensure all-encompassing protection.
Placement: Our strategic placement thoroughly surrounds the circuit breaker, providing exceptional security from top to bottom.
-External Packaging
Our external packaging employs a strong and durable carton
Material: Constructed from premium high-strength corrugated cardboard box, designed for impressive resilience and durability.
Carton Sealing
Method: We employ a robust sealing technique, using high-quality, resilient tape or secure, reliable strapping methods.
Requirement: Our goal is to ensure a fortified seal, meticulously preventing any potential damage during transit.
Identification and Labeling
Content:Our labels are exhaustive, detailing product model, precise quantity, weight, manufacturer information, and incorporate strategic handling labels (such as fragile, upward, moisture-proof) for optimized handling.
Location: These labels are prominently positioned on the carton exterior for effortless identification and handling.
Our Production Line: Seamlessly structured, our production line is engineered for efficiency, ensuring peak productivity to meet your demands with ease.
Transport
Domestic Transportation
We expertly engage your preferred freight forwarder in China, managing precise delivery to your specified location through road transportation or rapid domestic express services, ensuring timely completion post-production.
International Transport
For smaller consignments needing expedited delivery to any targeted international destination, we partner with elite international express services including
DHL, FEDEX, and UPS
Sea Freight/Air Freight
Opt for sea freight for bulk shipments when time permits, collaborating with a trusted freight companyto coordinate truck pickups and efficient transport to the designated port for secure warehousing.Ultimately, your goods will sail the seas to your designated port, ready for swift pickup with a bill of lading, ensuring a smooth, streamlined process.
Mingtuo Electric Mingtuo Electric has garnered a remarkable stature in the domestic market, and is ambitiously extending its influence globally. Our state-of-the-art products serve as pivotal components across key industries such as construction, industrial manufacturing, and the energy sector. They have gained the trust and admiration of esteemed engineering projects worldwide, reinforcing our commitment to excellence.
The company adheres to the esteemed principle ofprioritizing customers, delivering unparalleled quality, offering exceptional service, and maintaining a sterling reputation in all our endeavors.and consistently embraces the philosophy of dynamic innovation and progressive growth. Our company takes pride in our robust technical prowess, cutting-edge production technology, and extensive industry expertise. in pioneering research and development, recognized for our proficiency and technological creativity. We are equipped with an impressive array of the most advanced production, testing, and inspection equipment available in China.
FAQ
Q: What is the product voltage/current range? What's the breaking ability?
A: For comprehensive specifications tailored to your needs, please reach out to our dedicated customer service team, who are always ready to provide personalized assistance.
Q: What is the MOQ? Do you support sample ordering?
A: Our minimum order quantity is generously set at just 1 set, and we wholeheartedly support sample orders to cater to your requirements.
Q: How long is the warranty period? How to apply for warranty?
A: Our products are covered by a robust warranty period ranging from one to two years. Application for warranty is seamless through our efficient customer service process, ensuring peace of mind.
Q: Do you have CE, RoHS, UL, and other certifications? Can you provide a certificate?
A: We proudly hold prestigious CE and RoHS certifications and can readily provide these certificates as an affirmation of our unwavering commitment to quality.
Q: Does the price include tax/shipping?
A: Please be advised 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 privilege of collaborating with world-renowned clients including the State Grid of China, Chint Group, and Xiaomi Group, solidifying our reputation as a trusted partner in the industry.