High-Performance Vacuum Circuit Breaker with ICU 20ka-31.5ka Ratings

• Customization: Available
• Breaking Capacity: High Voltage Circuit Breakers
• Operation: Electric Type
• Model NO.: MTV1-12/630-25kA
• Speed: High-Speed Circuit Breaker
• Arc-extinguishing Medium: Vacuum
• Installation: Fixed
• Structure: Vcb
• Poles Number: 3
• Type: Circuit Breaker
• Function: Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection, OVP(Overvoltage Protection), RCCB
• Certification: ISO9001-2000, CE, CCC, RoHS
• ICU: 20ka-31.5ka
• Voltage: 12kv/24kv/35kv
• Current: 630A-4000A
• Usage Environment: Indoor
• Rated Frequency: 50Hz/60Hz
• Control Voltage: AC110/220 DC110/220
• Transport Package: Wooden Crate
• Specification: 69*51*74
• Trademark: Mingtuo
• Origin: Zhejiang, China
• HS Code: 8535210000
• Production Capacity: 5000pieces/Year
• Package Size: 69.00cm * 51.00cm * 74.00cm
• Package Gross Weight: 103.000kg

Product Description

Product Description

VACUUM CIRCUIT BREAKER
Available Current Ratings: 630A, 1250A, 1600A, 2000A, 2500A, 3150A, 4000A
Designed for Voltage Levels: 12kV, 24kV, 35kV

Model: ZN63(VS1) This series of vacuum circuit breakers serves as a reliable solution for rated voltage isolation. Suitable for 12kV-35kV, 3-phase switch applications,ideal for use in indoor grid equipment, industrial settings, and mining enterprises,providing robust power equipment control and protection. These vacuum circuit breakers are particularly advantageous for applications requiring current handling for rated frequent operations, or multiple occurrences of short-circuit current interruptions.Thanks to its integral layout structure, these breakers boast a matured spring operation mechanism, featuring a simple design and dependable performance.The well-thought-out construction makes maintenance points easily accessible, enabling functional units to facilitate straightforward maintenance.
The ZN63(VS1) vacuum circuit breaker can be installed as a fixed unit within the switch framework or can be drawn out as needed. Supportinga range from 630A to 4000A in rated current, with efficient handling of short-circuit currents from 20KA to 31.5KA,truly offering a serialized form.

Key Features
Advanced Vacuum Arc Extinguishing Technology
Utilizes high-performance vacuum arc extinguishing chambers,ensuring superior breaking capabilities without risk of explosion, making it environmentally conscious and free from pollution.

The rated short-circuit breaking current is impressively 20kA to 31.5kA, varying with the model.

Modular Architectural Design
Features a spring energy storage operating mechanism with rapid opening and closing speeds, offering a mechanical lifespan of 10,000 to 30,000 cycles.

Available with either manual or electric control options (supporting automated remote operations).

Enhanced Safety Protection
Boasts a fully enclosed insulation structure with a protection level of IP3X, providing excellent dustproof and moisture-proof capabilities.

Equipped with built-in mechanical interlocking to avert potential misoperations.

Standards
Meticulously crafted to adhere to both international and domestic standards, our product ensures unparalleled safety and performance. GB/T 1984 and IEC 62271-100.

Product Parameters

Technical Data for Opening and Closing Coils: Discover the state-of-the-art technology embedded within the opening and closing coils of our vacuum circuit breaker. These components are meticulously engineered to deliver consistent performance and robust durability, ensuring that every operation is seamless and dependable.

/	Closing Coil	Opening Coil	Remarks
Rated Operating Voltage(V)	DC220,DC110 AC220,AC110	DC220,DC110 AC220,AC110	Opening coil current must not be less than 30% of the rated operating voltage.
Coil Power(W)	245	320
Normal Operating Voltage Range	85% - 110% of Rated Voltage	85%-120% of Rated Voltage

Detailed Photos

 

Internal Constitutions:

 

1. Operating Mechanism→ A superbly engineered mechanical device precisely controlling the opening and closing functions of the circuit breaker, ensuring reliable performance.

2. Terminals (Fixed Type) → Secure and robust electrical interface for fixed connections, designed to optimize contact and maintain electrical integrity.

3. Vacuum Interrupter → The core arc-extinguishing component, featuring strategically placed contacts and a durable ceramic insulator, ensuring seamless operation.

4. Contact Arm (Drawout Type)→ An agile and efficient movable current-carrying component, integral to the superior function of drawout circuit breakers.

5. Silver-Plated Copper Contacts→ These contacts enhance conductivity and provide exceptional oxidation resistance, ensuring longevity and reliability.

6. Drawout Chassis→ A sturdy and reliable frame structure expertly supporting the movable parts of drawout circuit breakers, promoting ease of maintenance and durability.

7. Insulating Cylinder→ A meticulously designed insulating housing that offers a protective encapsulation for the vacuum interrupter, enhancing safety and performance.

8. Aviation Connector→ This high-reliability quick-disconnect interface ensures seamless and rapid connectivity, perfect for critical applications.

9. Finger Cluster Contacts→ Ingenious multi-finger contact design delivering stable and consistent electrical connections, vital for maintaining system integrity.

    

Internal Parts

Internal Parts

Product Quanlity

 

 

Product size

*Please note that the images are provided solely for illustrative purposes. For comprehensive details and personalized consultation, we invite you to reach out to our dedicated customer service team, who are eager to assist you.

Packaging & Shipping

Outer packaging:

Robust wooden boxes are typically utilized to ensure ample mechanical strength and protection.

Wooden crates are ideal for large circuit breakers or international shipments, providing superior safety and durability.

Inner packaging:

Encase the circuit breaker with protective cushioning materials, such as foam pads, bubble wrap or pearl cotton, ensuring protection against vibrations and impacts.

For larger circuit breakers, a multi-layered packaging box may be employed, with accessories (like manuals, tools, and spare parts) conveniently situated on the upper layer.

Our streamlined production line
Transport

Domestic transportation

If a specific freight forwarder is appointed in China, we will deliver the products to the designated location via road transport or domestic express services immediately after the production phase is finalized.

International transport

For small, urgent shipments requiring delivery to an international destination,we collaborate with leading global express services
DHL, FEDEX, UPS

Sea freight/air freight
For extensive cargo, where time is more flexible, sea freight becomes the preferred option. We partner with a reputable freight company, organizing trucks to collect and transport the goods to the designated port for warehousing.Eventually, the goods are shipped by sea to the customer's specified port, necessitating the customer to collect the shipment with a bill of lading.

Certifications

Company Profile

 

Mingtuo Electric Mingtuo Electric not only holds a prestigious position in the domestic market but is also ambitiously expanding its reach into the global arena. Our products are trusted across diverse sectors, including construction, industry, and energy, and are the preferred choice for numerous high-profile engineering projects.
The company adheres to the principle ofcustomer first, quality first, service first, reputation first,constantly pursuing innovation and development. Our company boasts strong technical expertise, cutting-edge production technology, and extensive experience in research and development. Known for our professionalism and technological leadership, we are equipped with China's most advanced set of production, testing, and inspection equipment.

FAQ
Q: What is the product voltage/current range? What's the breaking ability?
A: For detailed specifications, please consult our expert customer service team.
Q: What is the MOQ? Do you support sample ordering?
A: Our minimum order quantity is just 1 set and sample ordering is available to meet your needs.
Q: How long is the warranty period? How to apply for warranty?
A: Enjoy peace of mind with our warranty period of one to two years. For claims, simply reach out to our responsive customer service.
Q: Do you have CE, RoHS, UL and other certifications? Can you provide a certificate?
A: Yes, we hold CE and RoHS certifications and can readily provide the necessary certificates for your assurance.
Q: Does the price include tax/shipping?
A: Please note, the price does not include shipping or tax.
Q: What famous clients or project cases have you worked with?
A: Our prestigious clients include State Grid of China, Chint Group, and Xiaomi Group, among others.