40.5 Kv Embedded Pole For Vacuum Circuit Breaker
Product Overview
40.5KV embedded pole for vacuum circuit breaker (model: EP40.5 series) is a core component specially designed for 40.5KV high-voltage vacuum circuit breakers, widely used in high-voltage power distribution systems. It integrates the vacuum arc extinguishing chamber, main contact, static contact and other key components into a single sealed pole structure, adopting advanced epoxy resin casting technology, which effectively improves the insulation performance, reliability and service life of the product. With over 22 years of professional manufacturing experience, our embedded poles fully meet the operational requirements under special working conditions, providing stable and safe support for high-voltage power equipment.
Main Advantages
Sfe & Reliable Performance: Adopts integrated sealed casting structure, effectively preventing moisture, dust, corrosion and other external factors from affecting internal components, ensuring stable operation even under harsh and special working conditions (such as high altitude, high humidity, extreme temperature).
Rich Manufacturing Experience: With more than 22 years of professional manufacturing experience in high-voltage embedded poles, we have mature production technology, strict quality control system and rich industry experience, ensuring the consistency and reliability of each product.
High-Quality Core Components: Equipped with brand vacuum arc extinguishing chamber and fixed sealed pole, featuring excellent arc extinguishing performance, low contact resistance, long electrical life and mechanical life, effectively reducing maintenance frequency and operation costs.
Complete Solutions & Easy Installation: We provide one-stop complete solutions, from product selection, customization to after-sales service, making ordering convenient and efficient. The optimized structural design ensures easy installation and replacement, reducing on-site construction time and labor costs.
Flexible Customization: Accept OEM & ODM orders, able to customize product specifications, parameters and structural design according to customers’ specific requirements, fully matching different types of 40.5KV vacuum circuit breakers and application scenarios.
Drawing
Technical Parameter
| parameter name | parameter |
| Rated voltage | 40.5kV |
| Rated current | 1600/2000A |
| Rated frequency | 50Hz |
| Rated short-duration power frequency withstand voltage (1min) | 95kV |
| Rated lightning impulse withstand voltage | 185kV |
| Rated short-circuit breaking current | 25/31.5kA |
| Rated peak withstand current | 80KA |
| Rated short-circuit making current (peak value) | 80KA |
| Rated short-circuit breaking current breaking times | 30 times |
| Rated back-to-back capacitor bank breaking current* | 400A |
| Rated single capacitor bank breaking current* | 630A |
| Rated short-time withstand current | 25/31.5kA |
| Mechanical life | 10000 times |
| Contact self-closing force | 250±60N |
| Contact reaction force at rated opening distance | 340±60N |
| Loop resistance at lower limit of rated working pressure | ≤25μ Ω |
| Storage period | 20 years |
| Contact allowable wear thickness | 3mm |
| Moving part weight | ≤1.7kg |
Mechanical parameters of the matched vacuum switch
Note: * is the rated value provided upon request
Key Technical Parameters
Model | Rated Voltage | Rated Current | Rated Short-Circuit Breaking Current |
EP40.5/1600-25 | 40.5KV | 1600A | 25kA |
EP40.5/2000-25 | 40.5KV | 2000A | 25kA |
EP40.5/1600-31.5 | 40.5KV | 1600A | 31.5kA |
EP40.5/2000-31.5 | 40.5KV | 2000A | 31.5kA |
Product Details
Certificate: CE Certified, with complete test reports, complying with international standards such as IEC, ensuring product quality and global market access.
Production Time: 7~12 working days, efficient production cycle, ensuring timely delivery and meeting customers’ project schedules.
Warranty Period: 12 Months, professional after-sales service team provides technical support, maintenance guidance and fault handling, solving customers’ worries.
Application Scenarios
EP40.5 series 40.5KV embedded pole for vacuum circuit breaker is widely used in 40.5KV high-voltage power distribution systems, suitable for power stations, substations, industrial and mining enterprises, metallurgical plants, chemical plants, commercial buildings and other occasions. It is perfectly matched with 40.5KV vacuum circuit breakers, used for power receiving, distribution, control and protection of high-voltage power networks, ensuring the safe and stable operation of the power system.
Request a Quote & Contact Us
For more details, including product datasheets, pricing, customization options and technical support, please contact us directly.
Contact Phone: +44 7516292642 | Email: solaris@hvglass.com
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