High-Performance 1250A Fixed Air Circuit Breaker Acb Drawer Type

• Customization: Available
• Breaking Capacity: Low Voltage Circuit Breakers
• Operation: Electric Type
• Model NO.: MTW1-2000/3P
• Speed: High-Speed Circuit Breaker
• Arc-extinguishing Medium: Air
• Installation: Drawer Type
• Structure: ACB
• Poles Number: 3
• 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: 51.00cm * 47.00cm * 53.00cm
• Package Gross Weight: 60.000kg

Product Description

Product Description

AIR CIRCUIT BREAKER

Models Available: MTW1-2000, MTW1-3200, MTW1-4000, MTW1-6300, MTW1-7500

The MTW1 series of intelligent breakers is specifically designed for the advanced distribution network of AC at 50Hz, with a rated voltage of 400V and 690V, along with a rated current ranging from 400A~7500A. This versatile breaker is engineered to efficiently distribute electric energy and safeguard circuits as well as power equipment from the potential risks of overload, under-voltage, short circuit and single-phase earth faults, etc. Equipped with advanced intelligent protection functions and precise selective protection, the breaker significantly boosts the reliability of power supply while minimizing

unnecessary power outages.This circuit breaker features an impressive impulse withstand voltage of8000V at an altitude of 2000 meters. It is adjustable according to standards for other altitudes, with a maximum limit of 12000V.

This product complies with the prestigious standard of GB14048.2 for low-voltage switchgear and control equipment, including the low-voltage circuit breaker, and adheres to IEC60947-2 for low-voltage switchgear and control equipment, specifically the second part: low-voltage circuit breaker.

-Style: Drawer Style

-Style: Fixed Style

-Model Meaning Explained

Pole Number (4P indicates 4 Poles, 3P indicates 3 Poles)


Rated Current Description


Design Code Interpretation


Air Circuit Breaker Identification

Enterprise Code Specification

 

Product Parameters

-Control Part: Discover the sophisticated and advanced control mechanisms that enhance the functionality and reliability of our product.

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

Red copper renowned for its excellent electrical conductivity.silver plated material ensuring superior performance.
Good heat dissipation performance, ensuring efficient operation even under high loads.
Corrosion resistance that extends the product's lifespan.
Widening and thickening of copper bar size for enhanced durability and conductivity.
Compliant with standards ensuring reliability and safety.

CONDUCTIVE SYSTEM

The number of contact pieces is determined by the current, ensuring customization for different needs.
The moving contact is made of copper plated silver material, offering excellent electrical conductivity.
The moving contact is made of silver dots,Good conductivity providing efficient current flow.

-Internal components

Conductive parts:
-Copper bars, contacts designed for optimal performance.

Secondary control part:
-Wiring terminals, mechanisms, controllers, motors, coils,current transformer expertly engineered for precision and control.

Arc extinguishing section:
-interrupter

-Fixed and drawer type construction offers flexibility and ease of maintenance.

Installation Instructions

-Installed inside the panel

Fixed Type Installation:

The circuit breaker is directly anchored on the distribution cabinet or installation board and remains immovable.

Perfect for applications where frequent replacement or maintenance is unnecessary.

Ensures easy installation and cost-effectiveness.

Drawout Type Installation:

The circuit breaker is placed on a withdrawable frame facilitating swift maintenance, seamless testing, and hassle-free replacement.

Ideal for scenarios demanding repetitive operation or ongoing maintenance.

The installation is intricate and comes at a higher cost, yet it guarantees exceptional flexibility.

Plug-in Type Installation:

The circuit breaker effortlessly connects to the busbar via a plug-in mechanism, enabling rapid installation and swift replacement.

This method is ideal for environments where quick replacement is crucial.

-Secondary Wiring Method

1 and 2: Link the intelligent controller
27 and 28:Connect to the undervoltage coil
29 and 30: Integrate the shunt coil
31 and 32:Join closed coils
34 and 35: Attach the energy storage motor

Product testing

Mechanical operation test: A meticulous examination to ensure the flawless performance of our circuit breaker.

Check whether the mechanical operation of the circuit breaker is designed to be flexible and reliable, assuring seamless functionality in every application.

Test the operation functions such as closing, opening, and energy storage, ensuring each action is smooth and dependable.

Electrical performance testing: A thorough evaluation of the circuit breaker's electrical integrity and efficiency.

Insulation resistance test: Employing a megohmmeter to meticulously measure the insulation resistance of the main and auxiliary circuits, confirming they surpass the stringent industry standards (usually ≥ 1M Ω).

Power frequency withstand voltage test: Administering rated power frequency voltage (such as 2500V/1min) to both the main and auxiliary circuits to scrutinize their superior insulation performance.

Contact resistance test: Accurately measuring the contact resistance of the main contact to confirm it remains below the specified micro ohm level, thereby ensuring optimal performance.

Protection function test: A comprehensive evaluation of the circuit breaker's robust protection features.

Test the action values and response times of protection functions, expertly safeguarding against overload, short circuit, and ground fault, fortifying the reliability of your electrical systems.

Verify the intelligent release device's settings andfunctionality , ensuring it operates with precision and efficiency.

 

Packaging & Shipping

Outer Packaging: Engineered for Excellence

Robust and Durable wooden boxes are meticulously crafted to deliver superior mechanical strength.

Our wooden crates are ideal for housing large circuit breakers, ensuring safe international transport.

Inner Packaging: Crafted for Maximum Protection

Expertly encase the circuit breaker with protective materials such as foam pads, bubble film or pearl cotton to effectively resist vibration and impact.

For sizable circuit breakers, our packaging box features a layered design, where accessories (such as manuals, tools, spare parts) are strategically positioned on the upper layer for easy access.

Our production line is dedicated to delivering quality and precision.

 

Certifications

Company Profile

 

Mingtuo Electric Mingtuo Electric not only holds a prestigious and influential position in the domestic market, but also ambitiously extends its reach into the international arena. Its exceptional products are widely trusted and favored across various fields, including construction, industry, and energy. The company has become a preferred choice for numerous engineering projects.
The company adheres steadfastly to the principle ofensuring 'customer first, quality first, service first, reputation first'and is unwavering in its pursuit of innovation and development. Mingtuo Electric showcases formidable technical strength, cutting-edge production technology, and a wealth of industry experience. in research and development. Renowned for its professionalism and technological prowess, the company boasts a comprehensive suite 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 detailed specifications on voltage/current range and breaking ability, please consult our dedicated customer service team.
Q: What is the MOQ? Do you support sample ordering?
A: The minimum order quantity is just 1 set, and we proudly support sample ordering to ensure complete customer satisfaction.
Q: How long is the warranty period? How to apply for warranty?
A: Our products carry a robust warranty of one to two years. For any warranty claims, please contact our attentive customer service directly.
Q: Do you have CE, RoHS, UL and other certifications? Can you provide a certificate?
A: We proudly possess CE and RoHS certificates and are fully equipped to provide these certificates upon request.
Q: Does the price include tax/shipping?
A: Please note that the listed price does not include shipping or tax.
Q: What famous clients or project cases have you worked with?
A: We have collaborated with distinguished clients such as the State Grid of China, Chint Group, and Xiaomi Group, to name a few.