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ZN85-40.5 High Voltage Vacuum Circuit Breaker for Industrial Power Systems 2000A 31.5KA ZN85-40.5 High Voltage Vacuum Circuit Breaker for Industrial Power Systems 2000A 31.5KA
ZN85-40.5 High Voltage Vacuum Circuit Breaker for Industrial Power Systems 2000A 31.5KA ZN85-40.5 High Voltage Vacuum Circuit Breaker for Industrial Power Systems 2000A 31.5KA
ZN85-40.5 High Voltage Vacuum Circuit Breaker for Industrial Power Systems 2000A 31.5KA ZN85-40.5 High Voltage Vacuum Circuit Breaker for Industrial Power Systems 2000A 31.5KA
ZN85-40.5 High Voltage Vacuum Circuit Breaker for Industrial Power Systems 2000A 31.5KA ZN85-40.5 High Voltage Vacuum Circuit Breaker for Industrial Power Systems 2000A 31.5KA
ZN85-40.5 High Voltage Vacuum Circuit Breaker for Industrial Power Systems 2000A 31.5KA ZN85-40.5 High Voltage Vacuum Circuit Breaker for Industrial Power Systems 2000A 31.5KA
ZN85-40.5 High Voltage Vacuum Circuit Breaker for Industrial Power Systems 2000A 31.5KA ZN85-40.5 High Voltage Vacuum Circuit Breaker for Industrial Power Systems 2000A 31.5KA

ZN85-40.5 High Voltage Vacuum Circuit Breaker for Industrial Power Systems 2000A 31.5KA

US$ 1 ~ 1200
Min.Order: 1
Product origin: Wenzhou, Zhejiang, China
Category: Electrical Equipment & Supplies
Product Name: Electrical Equipment & Supplies
Availability:In Stock
Product Review : 128 Reviews
Infringement complaint:
* Please contact the supplier via whatsapp first before placing an order
  • Model Number : ZN85-40.5/T2000-31.5
  • Rated Voltage : 40.5KV
  • Rated Current : 2000A
  • Breaking Capacity : 31.5KA
  • Operation Type : Spring Operating Mechanism
  • Arc-extinguishing Medium : Vacuum
  • Poles Number : 3
  • Mechanical Life : 10000 operations
  • Installation Type : Withdrawable
  • Protection Functions : Circuit-Breaker Failure, OVP
  • Ambient Temperature : -15°C to +40°C
  • Altitude : <1000m
  • Relative Humidity : <95% daily average
  • Dimensions : 1300×500×1750mm

The ZN85-40.5/T2000-31.5 high voltage vacuum circuit breaker is designed for three-phase AC 50Hz power systems with rated voltage of 40.5KV. This industrial-grade circuit breaker features advanced vacuum arc-extinguishing technology and is suitable for various applications including power plants, substations, and industrial facilities.

ZN85-40.5 Vacuum Circuit Breaker

The breaker adopts a compact vertical structure with integrated spring operating mechanism, effectively reducing installation depth while maintaining excellent performance. The specially designed mechanism provides reliable operation with optimized output characteristics for 40.5KV applications.

Circuit Breaker Internal Structure

With 10000 mechanical operations life and withdrawable installation design, this circuit breaker offers long service life and convenient maintenance. The vacuum interrupter ensures reliable arc extinguishing performance and minimal maintenance requirements.

The product comes with multiple protection functions including circuit-breaker failure protection and overvoltage protection (OVP), making it suitable for critical power distribution applications where reliability is paramount.

Circuit Breaker Testing

U***M 2026-05-01

Unmatched shipping speed and secure packaging ensured the unit arrived pristine despite the heavy weight. The logistics team handled the oversized shipment flawlessly, with tracking updates provided at every step. Upon inspection, the build quality exudes durability—sturdy terminals, robust insulating materials, and solid mechanical linkages leave no doubt about its ruggedness for industrial environments. Customer service was exceptional throughout; pre-purchase queries were answered within hours, and post-delivery support proactively checked in to confirm everything met expectations. No loose components, no cosmetic defects, and the entire assembly feels meticulously engineered for long-term reliability. Truly a seamless experience from order to delivery, reflecting a vendor who prioritizes both product integrity and client satisfaction. Highly recommend this supplier for critical power infrastructure needs without any reservation.

X***H 2026-04-29

Delivered ahead of schedule with secure packaging that ensured no damage during transit. Logistics team provided real-time tracking updates, which was very helpful for planning our installation timeline. The build quality is impressive—solid construction with evident attention to detail on the enclosure and interrupter assembly. Service team was responsive when I called to confirm voltage ratings; they answered all my questions patiently and provided additional documentation without delay. Overall, a smooth experience from order to delivery, and the product itself exudes reliability. Very satisfied with this purchase for our substation upgrade. Would recommend to colleagues looking for robust switchgear solutions. The packaging was also eco-friendly, which aligns with our company's sustainability goals. A hassle-free transaction overall.

X***Z 2026-04-29

Excellent logistics and packaging. The circuit breaker arrived well before the estimated delivery date, and the sturdy wooden crate ensured zero damage during transit. From a quality perspective, the unit feels robust and the mechanical operation is smooth with a solid closing sound. Service was responsive; they answered all my pre-shipment queries about the documentation within hours. Overall, a very professional experience without any hassle. Very satisfied with the entire process.

L***F 2026-04-27

Zero complaints on the logistics front—the package arrived well ahead of the estimated delivery date and was securely crated with no damage whatsoever. The quality of this unit is immediately evident upon unpacking; the build feels robust and the finish is professional. Service from the team was prompt and courteous when I had a quick question about the packaging details before shipment. Overall, a seamless purchasing experience from end to end.

W***O 2026-04-26

Logistics was impressively fast; the package arrived well ahead of schedule, which was a pleasant surprise. Quality of the item is outstanding, with sturdy construction that gives confidence in its durability. Service from the team was excellent, as they promptly answered all my queries and provided helpful guidance. Overall, a smooth experience from start to finish, and I am satisfied with the professionalism shown throughout the process.

D***M 2026-04-25

Outstanding logistics performance; the package arrived ahead of schedule and was remarkably well-secured against damage. Overall quality of the ZN85-40.5 High Voltage Vacuum Circuit Breaker appears exceptional upon visual inspection, with robust construction and premium materials evident. Our service experience was particularly noteworthy; the support team promptly addressed a minor query regarding documentation with professional courtesy and efficiency. Once unpacked, the unit's craftsmanship immediately inspired confidence in its reliability for industrial power distribution needs. Additionally, the packaging materials were eco-friendly and easy to recycle, which we appreciate. The entire purchasing process felt seamless from order placement to delivery tracking, with clear communication at every step. For a high-value component like this 40.5KV circuit breaker, having dependable logistics and responsive after-sales support is critical, and this vendor has clearly prioritized both. We look forward to integrating this vacuum interrupter into our system without hesitation.

T***L 2026-04-24

Prompt and secure packaging ensured the circuit breaker arrived in pristine condition. Logistics were impressively swift, exceeding my expectations for such heavy equipment. The build quality is visibly robust, with clean welding and a solid mechanical feel that inspires confidence for industrial use. Customer service was proactive, confirming delivery details and providing clear documentation. Overall, a smooth purchasing experience from order to arrival.

U***U 2026-04-23

Zippy delivery and solid packaging ensured the unit arrived without any damage. The logistics tracking was accurate and timely. The build quality of this high voltage apparatus feels robust and durable. Customer service was responsive and helpful when I had a pre-shipment query. Overall, a smooth experience from order to receipt.

V***R 2026-04-22

I must say, the logistics for this high voltage vacuum circuit breaker were impressively smooth. It arrived well ahead of the estimated delivery window, and the packaging was robust enough to ensure no damage during transit. In terms of quality, the unit feels solid and well-constructed, with a professional finish that inspires confidence for industrial applications. I also appreciated the clear communication from the service team, who promptly answered my pre-shipment queries and provided helpful updates. Overall, this has been a very positive experience from order to delivery, and I am satisfied with how seamlessly everything was handled.

R***C 2026-04-20

Hats off to the supplier for an outstanding experience from start to finish. The logistics were handled with remarkable precision. The circuit breaker was shipped promptly and arrived well ahead of the estimated delivery window, which was a very pleasant surprise given the size and nature of the item. The packaging was exceptionally robust and secure, clearly designed to protect heavy, sensitive electrical equipment. Every component was individually wrapped and cushioned, and there was absolutely no sign of damage from transit. Regarding quality, the initial inspection reveals a product that appears to be manufactured to very high standards. The construction feels solid and durable, with clean welds, a high-quality finish on the metalwork, and components that seem precisely fitted. It gives an immediate impression of reliability and professional-grade engineering, which is exactly what one needs for critical industrial power systems. The service provided by the company was equally commendable. Communication was clear, professional, and timely at every stage, from the initial inquiry to the post-delivery follow-up. All documentation, including specifications and certificates, was provided without delay and was complete. They were proactive in providing tracking information and were readily available to answer a couple of logistical questions I had. Overall, this was a seamless transaction characterized by efficient logistics, what appears to be top-tier product quality, and exemplary customer service. A highly satisfactory procurement process for essential power distribution equipment.

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