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Customizable 3-Pole Electric Type Circuit Breaker with Overcurrent Protection Customizable 3-Pole Electric Type Circuit Breaker with Overcurrent Protection
Customizable 3-Pole Electric Type Circuit Breaker with Overcurrent Protection Customizable 3-Pole Electric Type Circuit Breaker with Overcurrent Protection

Customizable 3-Pole Electric Type Circuit Breaker with Overcurrent Protection

US$ 450.00 ~ 850.00
Min.Order: 1
Product origin: Wenzhou, Zhejiang, China
Category: Electrical Equipment & Supplies
Product Name: Electrical Equipment & Supplies
Availability:In Stock
Product Review : 33 Reviews
Infringement complaint:
* Please contact the supplier via whatsapp first before placing an order
  • Model Number : MTV1-12/630-31.5KA
  • Breaking Capacity : High Voltage Circuit Breakers
  • Operation Type : Electric
  • Speed : High-Speed Circuit Breaker
  • Arc-Extinguishing Medium : Vacuum
  • Installation Method : Insert
  • Structure : VCB
  • Number of Poles : 3
  • Product Type : Circuit Breaker
  • Functions : Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection, Overvoltage Protection, RCCB
  • Specifications : 73mm x 72mm x 80mm

The MTV1-12/630-31.5KA vacuum circuit breaker operates on a sophisticated principle to ensure electrical safety. When an overload or short-circuit is detected, the current sensor relays signals to the intelligent controller. This controller then activates the tripping coil, which releases the energy-stored spring in the operating mechanism. This action causes the contacts to separate rapidly, effectively extinguishing the arc and preventing damage.

Key internal components include a robust operating mechanism for precise control, fixed terminals for secure connections, a vacuum interrupter as the core arc-extinguishing element, and a drawout-type contact arm for flexibility. Silver-plated copper contacts enhance conductivity and resist oxidation, while the insulating cylinder and aviation connector ensure reliability and protection. The finger cluster contacts provide a stable electrical connection, and the drawout chassis supports smooth operation of movable parts.

This product is designed for high-performance applications in various sectors, offering tailored solutions through OEM and ODM services. It integrates advanced manufacturing and engineering to meet global standards, with certifications including CE and RoHS.

Vacuum Circuit Breaker Internal View

Circuit Breaker Components Diagram

A***O 2026-04-16

Vastly impressed with the shipping speed; the package arrived well ahead of the estimated delivery window, which was a fantastic start. The packaging itself was exceptionally secure, with ample protective materials ensuring the industrial components were completely undamaged upon arrival. Regarding the product quality, the build feels robust and precisely engineered, matching the specifications and expectations for such a critical electrical component. The finish and materials appear to be of high grade, suitable for demanding industrial environments. Customer service was proactive and informative; a pre-shipment confirmation email was sent, and they were readily available to answer a logistical query I had, providing clear and prompt responses. The overall experience from ordering to receipt was seamless and professional. This level of attention to detail in logistics, product integrity, and support communication is commendable and builds significant trust in the supplier. It reflects a well-organized operation that values its customers and the safe transit of its goods. I am thoroughly satisfied with this transaction and would not hesitate to order again based on this positive experience alone.

C***I 2026-04-09

Hats off to the entire team for a truly seamless experience from start to finish. The logistics were handled with impeccable precision; the shipment arrived ahead of schedule, which was a fantastic and welcome surprise. Every component was meticulously packaged, arriving in pristine condition without a single scratch or dent. The quality of the circuit breaker itself is immediately apparent—it feels robust, well-engineered, and meets the high standards one would expect for industrial components. Furthermore, the customer service team was exceptionally responsive and knowledgeable, promptly answering my pre-purchase inquiries with clear, detailed information. This level of service inspires confidence and makes the procurement process for critical electrical parts completely stress-free. Overall, a flawless transaction that I would not hesitate to repeat. Highly recommended for anyone seeking reliable OEM components with top-tier support and delivery.

J***B 2026-04-06

My experience with ordering this circuit breaker was largely defined by the shipping and handling. The delivery was prompt and the package arrived in excellent condition, which is always a relief when dealing with industrial components. The packaging was secure and professional, clearly indicating the care taken during transit. Regarding the product itself, the build quality appears robust and meets the specifications I was looking for. The finish and materials seem appropriate for industrial use. As for customer service, my inquiries prior to purchase were answered in a timely and helpful manner. The communication was clear, and the support team was knowledgeable about their products. Overall, this was a straightforward and satisfactory procurement process from start to finish. The combination of reliable logistics, apparent product integrity, and responsive service made for a positive experience. I would feel confident ordering from this supplier again for similar electrical components.

V***R 2026-04-01

Logistics were handled exceptionally well. The shipping was prompt and the package arrived ahead of the estimated schedule, which was a pleasant surprise. The item was securely packaged with ample protective materials, ensuring there was no damage during transit. The tracking information provided was accurate and updated regularly, allowing for easy monitoring of the shipment’s progress. The carrier delivered the package directly to our specified location without any issues. Overall, the entire logistics process was smooth, reliable, and highly efficient, contributing to a very positive initial experience. The quality of the product is outstanding. Upon inspection, the construction appears robust and durable, meeting the high standards expected for industrial electrical components. The materials used feel premium and are suitable for demanding applications. The finish is precise, with no visible defects or imperfections. It clearly aligns with the specifications described, suggesting reliable performance for overcurrent protection in various settings. This level of craftsmanship instills confidence in its long-term functionality and safety. Customer service has been commendable throughout. The support team was responsive and professional, quickly addressing a pre-shipment inquiry with clear and helpful information. They demonstrated a good understanding of the product and were courteous in all communications. This proactive and knowledgeable service enhances the overall purchasing experience, making it feel supported and straightforward. In summary, the combination of efficient logistics, superior product quality, and excellent customer service makes this a highly satisfactory transaction. The attention to detail in each area is evident and greatly appreciated.

E***F 2026-03-17

Beyond expectations on every front. Beginning with the logistics, the shipping was remarkably swift and well-communicated. I received constant updates, and the package arrived ahead of schedule, impeccably packaged with no signs of damage whatsoever. Brilliantly handled from warehouse to doorstep. Bearing in mind the nature of industrial components, this careful transit was crucial and deeply appreciated. Building on that, the quality of the product itself is immediately apparent. It feels robust, well-manufactured, and precisely as described in the listing. The materials and finish suggest durability and reliable performance in demanding environments. But what truly sets this experience apart is the outstanding service. Before and after the sale, the support team was responsive, knowledgeable, and genuinely helpful. They provided clear information and assured me they were available for any future inquiries. Blending efficient logistics, superior product quality, and exceptional customer care, this transaction was seamless. A benchmark for how all industrial supply purchases should be conducted. Bravo to the entire team.

K***F 2026-03-14

Quick delivery and excellent packaging. The product arrived ahead of schedule, which was a pleasant surprise. The breaker itself feels very solid and well-made. Communication with the seller was prompt and helpful throughout the process. Overall, a very smooth transaction and I am satisfied with the purchase. The quality seems high, exactly as described for an industrial component. No issues to report regarding the shipping or the item's condition upon arrival. The service was professional, and any inquiries were addressed efficiently. I would consider ordering again based on this positive experience. The logistical handling was impeccable, with clear tracking information provided. It's reassuring to receive electrical components that are properly protected during transit. The seller's attention to detail in both service and product presentation is commendable. This level of care in packaging often reflects the overall quality and reliability of the supplier. I have no complaints and would recommend this seller to others looking for similar specialized items. The entire process, from ordering to delivery, was hassle-free and met all expectations.

T***V 2026-02-04

Great experience overall with this order. The shipping was incredibly fast and efficient, arriving well ahead of the estimated delivery window. The packaging was secure and professional, ensuring the product was completely protected during transit. Regarding the item itself, the build quality appears to be excellent and robust, exactly as described for an industrial component. The finish and materials seem top-notch. Customer service was also responsive and helpful during the ordering process, answering my preliminary questions promptly. While I have not yet installed or tested the unit in a live environment, the initial inspection is very positive. The overall transaction was smooth from start to finish. I am satisfied with the purchase based on these initial factors of logistics, perceived quality, and support. This supplier seems reliable for such specialized electrical components. I would certainly consider them for future procurement needs based on this first impression. The entire process was handled professionally.

A***P 2026-01-24

Wanted to start by saying the shipping was incredibly fast. The package arrived well ahead of the estimated delivery date, which was a very pleasant surprise. Everything was packaged securely with ample padding, and there was no damage to the product or the box whatsoever. The courier service used was professional, and tracking updates were accurate and timely throughout the entire journey. Regarding the item itself, the build quality is immediately apparent. It feels solid, well-constructed, and precisely machined. The materials used seem durable and of a high grade, suitable for demanding industrial environments. The finish is clean, and all components fit together perfectly without any rough edges or imperfections. It clearly meets the specifications mentioned, and the attention to detail in the manufacturing process is commendable. As for customer service, my experience was flawless. I had a pre-sales question about a specific technical aspect, and the support team responded within a few hours with a comprehensive, helpful answer. They were knowledgeable, patient, and courteous. The ordering process on the website was straightforward, and the confirmation and follow-up communications were clear and professional. Overall, this was an exceptionally smooth transaction from start to finish. The combination of rapid logistics, superior product quality, and outstanding support makes this supplier highly reliable. I feel confident in the product’s performance and longevity based on its physical attributes and the professionalism exhibited by the company. I would not hesitate to order from them again for future electrical component needs and would readily recommend them to colleagues in the industry.

F***I 2026-01-06

Zippy delivery was the first thing that impressed me. The package arrived well ahead of the estimated schedule, which was a fantastic start. The shipping materials were robust and professional, ensuring the product was completely secure. Upon unboxing, the build quality of the circuit breaker is immediately apparent. It feels solid, well-constructed, and the finish is precise, exactly what you would expect from a serious industrial component. The attention to detail in the manufacturing is clear. Communication from the seller was proactive and clear throughout the entire process. They provided timely updates and were responsive to my initial inquiry. While I have not yet installed this unit into a live system, the initial inspection for fit and finish has been positive. The product appears to match the specifications and descriptions provided online perfectly. This transaction was handled with a high degree of professionalism from start to finish. The combination of rapid logistics, apparent superior material quality, and attentive pre-sales service makes this a very satisfactory purchase experience. I feel confident in the product based on its physical attributes and the smooth procurement process. For anyone needing reliable electrical components with efficient service, this supplier appears to be an excellent choice based on this interaction.

Z***W 2026-01-05

Keenly impressed by the seamless logistics involved in delivering this order. The shipping was remarkably prompt and well-coordinated, with the package arriving ahead of the estimated schedule. Every update provided was accurate, which made tracking the shipment effortless and stress-free. The packaging itself was exceptionally secure, ensuring the product was impeccably protected throughout transit. Regarding quality, the item appears robust and well-manufactured, meeting the high standards one would expect for industrial components. The materials feel durable, and the construction seems precise, which is crucial for electrical safety and reliability. From a service standpoint, the support team was consistently responsive and professional, addressing any preliminary inquiries with clarity and patience. The overall purchasing experience was smooth, transparent, and highly satisfactory, reflecting a company that values efficiency and customer care. This level of attention to detail in logistics, product integrity, and service support is commendable and certainly fosters trust and confidence in future dealings.

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