Products Description
Our Outdoor 27kV Recloser, specially built for all-outdoor operation scenarios, is a special protection device for 27kV-class outdoor distribution lines, with all-dimensional performance enhancement for complex outdoor environments. With nearly 30 years of R&D and manufacturing experience in outdoor high-voltage equipment, our Outdoor 27kV Recloser has reached the industry's advanced level in waterproof and dustproof, high and low temperature resistance, anti-aging, anti-corrosion and other aspects, and can operate stably for a long time in various harsh outdoor environments such as rain, snow, sand dust, high temperature and severe cold. From coastal saline-alkali areas to inland sandstorm areas, from high-temperature exposure scenarios to low-temperature severe cold environments, our Outdoor 27kV Recloser has mature project application cases, and its reliable environmental adaptability is widely recognized by customers.
This device adopts a fully sealed outdoor special structure, the shell is made of weather-resistant and anti-corrosion material, and the overall protection rating is excellent, which can effectively block external water vapor and dust from invading the inside of the device. The insulating parts are made of special epoxy resin material resistant to ultraviolet rays and aging, and the external insulation creepage distance meets strict outdoor standards, greatly reducing the risk of insulation faults in outdoor environments. The device is equipped with a permanent magnet operating mechanism and a vacuum interrupter, and the core components are maintenance-free, which can reduce the operation and maintenance frequency and cost of outdoor lines. We can provide targeted strengthening schemes according to the specific environment of the project, such as adding anti-salt spray coating for coastal areas and optimizing the low-temperature performance of the mechanism for alpine regions, to ensure that the equipment perfectly adapts to the local outdoor working conditions.

Key Technical Parameters
|
Parameter Name |
Parameter Value |
|
Rated system voltage |
27kV |
|
Rated working current |
630A |
|
Rated short-circuit breaking current |
16kA |
|
3s thermal stable current |
16kA |
|
Dynamic stable current peak |
40kA |
|
Mechanical service life |
≥10,000 operations |
|
Arc extinguishing medium |
Vacuum |
|
Protection rating |
IP65 |
|
External insulation creepage ratio distance |
31mm/kV |
|
Ambient temperature adaptation range |
-40℃~+70℃ |
Applications
Fault protection of 27kV all-outdoor overhead distribution lines
Outdoor distribution line protection in coastal high-salt spray and high-humidity areas
Outdoor medium-voltage distribution protection in extreme temperature areas such as alpine and high temperature
Outdoor power supply line protection for field mining areas and oil and gas fields
Automation transformation of outdoor 27kV distribution lines in suburbs and villages
Factory Strength
We have nearly 30 years of technical precipitation in the field of outdoor high-voltage electrical equipment, and are equipped with complete environmental simulation test equipment, including high and low temperature test chambers, salt spray test devices, lightning impulse test equipment, etc., which can verify the full-working-condition performance of outdoor products. The factory covers an area of more than 200 mu, has a professional outdoor switch production line and more than 400 employees with rich experience, and is the construction unit of Henan Intelligent High-Voltage Sensor Engineering Technology Center. Our outdoor series products have been operating stably in power projects with various extreme environments in China for many years, and at the same time have established long-term cooperation with many overseas outdoor power engineering contractors, with R&D and manufacturing capacity of outdoor equipment at the industry's advanced level.
Quality Control
We have established special environmental performance quality inspection standards for outdoor reclosers. In addition to conventional electrical performance and mechanical performance testing, additional special tests for environmental adaptability are added. Before finished products leave the factory, sampling tests such as high and low temperature cycle test, protection rating verification, and salt spray corrosion test will be carried out to ensure that the equipment meets the use requirements of the corresponding outdoor environment. All products are subject to 100% full inspection of appearance and sealing performance before packaging, and each test result is recorded and archived in detail to achieve full traceability. We fully support third-party institutions with legal qualifications to carry out special outdoor performance inspection, and can cooperate with the whole-process services such as factory supervision and full-item performance inspection before delivery, to ensure that the delivered products fully meet the outdoor working condition standards.
Frequently Asked Questions
Can this device operate normally in sub-zero low temperature environments? The core mechanism and components of the device have been optimized for low-temperature performance, and can normally complete opening and closing operations in an environment of -40℃, adapting to the outdoor use needs of alpine regions.
Is additional anti-corrosion treatment required for use in coastal areas? The conventional version already has basic anti-corrosion capability. For coastal high-salt spray areas, we can provide a customized scheme of exclusive anti-salt spray coating to improve the corrosion-resistant service life of the equipment.
How long is the warranty provided for the product? All outdoor recloser products are provided with a one-year whole-machine warranty. During the warranty period, non-human damage can be repaired and replaced free of charge, and lifelong technical support and original factory accessory supply are provided.
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