High Quality Acb Air Circuit Breaker 1250A Fixed Type with Excellent Durability

• Customization: Available
• Breaking Capacity: Low Voltage Circuit Breakers
• Operation: Electric Type
• Speed: High-Speed Circuit Breaker
• Arc-extinguishing Medium: Air
• Installation: Fixed Type
• Structure: ACB
• Poles Number: 4
• Type: Circuit Breaker
• Function: Conventional Circuit Breaker, Overcurrent Protection
• Certification: ISO9001-2000, CE, CCC
• Current: 600A,800A,1000,1250A,1600A,2000A
• Style: Drawer Type,Fixed Type
• Upper Limit Value: No More Than +40ºC
• Controller: L,M,H
• Transport Package: Wooden Box
• Specification: 51*47*53
• Trademark: MINGTUO
• Origin: China Zhejiang
• HS Code: 8536200000
• Production Capacity: 500PCS/Month
• Package Size: 44.00cm * 42.00cm * 50.00cm
• Package Gross Weight: 51.000kg

Product Description

Product Description

AIR CIRCUIT BREAKER

MTW1-2000, MTW1-3200, MTW1-4000, MTW1-6300, MTW1-7500

The MTW1 series intelligent breaker is brilliantly crafted for distribution networks operating at an AC frequency of 50Hz, making it ideally suited for environments with a rated voltage of 400V and 690V, delivering a rated current range spanning from 400A~7500A. This breaker excels in distributing electric energy efficiently while offering robust protection for circuits and power equipment against potential damage resulting from overload, under-voltage, short circuit and single-phase earth faults. It comes equipped with cutting-edge intelligent protection features and precise selective protection, significantly enhancing the reliability of your power supply and minimizing the likelihood of

unintended power outages.This circuit breaker is remarkable for its high impulse withstand voltage of8000V at altitudes up to 2000 meters, easily adaptable to various altitudinal conditions with a maximum capacity reaching 12000V).

This product meets the stringent standards of GB14048.2 for low-voltage switchgear and control equipment, particularly focusing on low-voltage circuit breakers, and it also complies with IEC60947-2 for low-voltage switchgear and controlling equipment Part 2: Low-voltage circuit breakers.

-Style: Drawer style

-Style: Fixed style

-Model Meaning

Pole number (4P indicates 4 Pole, 3P indicates 3 Pole)


Rated Current


Design code


Air Circuit Breaker

Enterprise code

 

Product Parameters

-Control part: Experience unmatched precision and efficiency with our cutting-edge control system, meticulously crafted to ensure seamless operation and deliver optimal performance consistently. With innovative design and technology, our control system empowers you with unparalleled reliability and excellence.

Shunt release	Ue(v)	AC 220,380/DC110,220	Energy-releasing (ON) electromagnet	Us(v)	AC 220,380/DC110,220
Under-voltage release	Ue(v)	AC 220,380	Intelligent type electronic release	Us(v)	AC 220,380/DC110,220
Motorized operating mechanism	Us(v)	AC 220,380/DC110,220

Detailed Photos

COPPER BAR

Crafted from the finest red copper for unparalleled conductivity and strength.Finished with an elegantly silver plated material, ensuring enhanced durability and longevity.
Exceptional heat dissipation performance amplifies its optimal efficiency and reliability.
High corrosion resistance to withstand challenging environments.
Employing innovative widening and thickening techniques, we have optimized the copper bar size for superior performance and resilience.
Meticulously compliant with stringent industry standards for assured quality.

CONDUCTIVE SYSTEM

The precise number of contact pieces is expertly determined by the current load, ensuring peak performance.
The moving contact is crafted from copper plated with lustrous silver material, providing superior conductivity and connection.
The moving contact is engineered from silver dots, ensuring superior electrical conductivity and efficiency.

-Internal Components

Conductive parts include:
-Copper bars and precision contacts for seamless operation and conductance.

Secondary Control Part Highlights:
-Wiring terminals, advanced mechanisms, intelligent controllers, robust motors, high-quality coils, and current transformer for an integrated system.

State-of-the-art Arc Extinguishing Section:
-interrupter, designed for rapid arc suppression.

-Available in both fixed and drawer type construction, offering flexible application for varied installation needs.

Installation Instructions

-Installed inside the panel

Fixed Type Installation:

The circuit breaker is securely mounted on the distribution cabinet or installation board and is immovable once installed, ensuring dependable protection and reliability.

Ideal for scenarios that do not require frequent switching or ongoing maintenance, making it a robust choice for static environments.

Easy installation and cost-effective setup, providing a straightforward solution for dependable power distribution.

Drawout type installation:

The circuit breaker is affixed on a withdrawable frame, allowing for effortless maintenance, testing, and replacement of components, providing seamless interventions during service operations.

Perfect for environments that require regular operation or servicing, offering flexibility and ease of use.

Installation is intricate and incurs higher costs, but it provides enhanced adaptabilityand ensures long-term operational efficiency.

Plug in type installation:

The circuit breaker connects seamlessly to the busbar via a plug-in mechanism, ensuring rapid installation and swift replacement for enhanced operational uptime.

This method is perfect for conditions that demand quick replacement, offering a powerful solution for dynamic applications.

-Secondary wiring method

1 and 2: Connect the intelligent controller seamlessly, ensuring optimal functionality.
27 and 28:Link the undervoltage coil efficiently, providing reliable safety.
29 and 30: Securely attach the shunt coil, ensuring trustworthy performance.
31 and 32:Anchor the closed coils firmly, maintaining secure operations.
34 and 35: Connect the energy storage motor reliably, ensuring consistent energy management.

Product testing

Mechanical operation test: Ensure optimal performance by checking the mechanical operations of the circuit breaker.

Check whether the mechanical operation of the circuit breaker is flexible and reliable,ensuring smooth and seamless functionality.

Test the operation functions such as closing,ensuring it secures the connection, opening,allowing disruption-free disconnect, and efficient energy storage.This guarantees readiness and reliability.

Electrical performance testing: Harness the power of precision with our rigorous evaluations.

Insulation resistance test: Use a megohmmeter to measure insulation resistance, assuring it surpasses standard requirements (usually ≥ 1M Ω).

Power frequency withstand voltage test: Apply rated voltage (such as 2500V/1min) to main and auxiliary circuits to ensure superior insulation performance.

Contact resistance test: Measure the contact resistance of the main contact, ensuring it remains below the specified threshold (usually micro ohm level).

Protection function test: Safeguard your system with precise testing of protection functions.

Test the action values and time of protection functions like overload, short circuit, and ground fault,ensuring rapid response and reliability.

Verify the settings andfunctionality of the intelligent release device, confirming peak performance and peace of mind.

 

Packaging & Shipping

Outer packaging:

To ensure unparalleled protection and remarkable strength for our esteemed products, we utilize robust and durable wooden boxes that are meticulously crafted to offer exceptional mechanical strength, safeguarding your valuable investment during transit.

Our expertly designed wooden crates are ideally suited for accommodating large circuit breakers and are perfectly resilient for international transportation, ensuring your products arrive in immaculate condition.

Inner packaging:

For unparalleled protection of each circuit breaker, we meticulously wrap it with premium buffer materials such as foam pad, bubble film or pearl cotton to effectively mitigate any vibration or collision during transportation, thus ensuring the product's pristine integrity.

For larger circuit breakers, we offer an advanced packaging solution with an innovative layered design, allowing accessories like manuals, tools, and spare parts) to be conveniently and securely placed on the upper layer, ensuring optimal organization and easy accessibility.

Our production line

 

Certifications

Company Profile

 

Mingtuo Electric Zhejiang Mingtuo Electric Technology Co., Ltd. is not only a distinguished player in the domestic market but is also making remarkable advancements on the global scene. Our products are quintessentially adaptable, servicing pivotal sectors including construction, industry, and energy with aplomb. Endorsed by a multitude of high-profile engineering feats, our offerings have garnered the respect and unwavering trust of global clientele.
The company upholds the steadfast principle ofcustomer first, quality first, service first, reputation firstand is unyielding in its quest for innovation and growth. The company possesses extraordinary technical prowess, state-of-the-art production technology, and extensive industry wisdom in research and development. Celebrated for its expertise and technological preeminence, the company is equipped with a comprehensive suite of the most sophisticated production, testing, and inspection apparatus available in China.

FAQ
Q: What is the product voltage/current range? What's the breaking ability?
A: For in-depth insights into product specifications and breaking capacity, please connect with our dedicated customer service team for tailored assistance.
Q: What is the MOQ? Do you support sample ordering?
A: We are delighted to offer a minimum order quantity of just 1 set and fully endorse sample ordering to accommodate your precise needs.
Q: How long is the warranty period? How to apply for warranty?
A: Our products are backed by a solid warranty period ranging from one to two years. Warranty applications can be effortlessly processed via our customer service team.
Q: Do you have CE, RoHS, UL and other certifications? Can you provide a certificate?
A: We are pleased to affirm that we possess CE and RoHS certifications and can expediently provide these certificates upon request.
Q: Does the price include tax/shipping?
A: Kindly be advised that the listed price excludes shipping and tax costs.
Q: What famous clients or project cases have you worked with?
A: We have had the honor to work alongside esteemed clients such as the State Grid of China, Chint Group, and Xiaomi Group, showcasing our expertise in notable collaborations.