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High Voltage Resistant 220kV Isolating Switch | Factory Direct Supply & Customizable
Short Description:
The 110kV/126kV high voltage disconnect switch is a core equipment for 110kV/126kV power transmission and distribution systems, complying with international standards. With outdoor/indoor optional types, it has the advantages of good insulation, corrosion resistance, easy operation and high reliability. It is mainly used for no-load circuit opening and closing and power isolation, ensuring the safe and stable operation of power grid equipment in power plants, substations and other scenarios.
1. Product Overview 产品概述
Our 126kV high voltage isolating switch is a core electrical equipment independently developed and manufactured for 126kV power grid systems, widely used in outdoor high-voltage power transmission and distribution scenarios such as power plants, substations, long-distance transmission lines and urban-rural high-voltage power networks. It is mainly used to realize the isolation of high-voltage equipment and lines during power failure maintenance, ensure the personal safety of maintenance personnel, and can also complete the switching of normal working circuits. Adopting advanced rigid frame structure and high-quality conductive and insulating materials, the product has the characteristics of excellent electrical performance, stable operation, strong corrosion resistance, wide environmental adaptability and low maintenance cost, and can reliably complete isolation, grounding and switching operations under normal and harsh working conditions, effectively ensuring the safe and stable operation of the high-voltage power grid.
本公司126kV高压隔离开关是专为126kV电网系统自主研发生产的核心电气设备，广泛应用于发电厂、变电站、长途输电线路、城乡高压电网等户外高压输配电场景。其主要作用是在停电检修时实现高压设备与线路的隔离，保障检修人员人身安全，同时可完成正常工作回路的倒闸操作。产品采用先进的刚性框架结构，选用优质导电与绝缘材料，具备电气性能优异、运行稳定、抗腐蚀能力强、环境适应性广、维护成本低等特点，可在正常及恶劣工况下可靠完成隔离、接地、倒闸操作，有效保障高压电网安全稳定运行。
2. Core Features 核心特点
1. Excellent Electrical & Insulation Performance（优异电气与绝缘性能）
The conductive part is made of high-purity copper or aluminum alloy, with good electrical conductivity and low contact resistance, which can effectively reduce energy loss during operation. The insulating part adopts high-quality epoxy resin or porcelain insulation parts, with high insulation strength, strong arc resistance and leakage resistance, ensuring safe isolation under high voltage conditions and avoiding electric arc and leakage hazards.
中文：导电部分采用高纯度铜或铝合金材质，导电性能优良、接触电阻小，可有效降低运行过程中的能量损耗；绝缘部分选用优质环氧树脂或瓷质绝缘件，绝缘强度高、抗电弧、抗漏电能力强，确保高压工况下的安全隔离，杜绝电弧、漏电隐患。
2. Stable & Reliable Rigid Frame Structure（稳定可靠刚性框架结构）
The frame adopts high-strength steel plate integral stamping or welding forming, with high mechanical strength, good stability and deformation resistance, which can resist the impact of strong wind, earthquake and other external forces. The structure is compact and reasonable, the installation is convenient, and the operation is smooth, ensuring the stability and reliability of the switch during long-term operation.
框架采用高强度钢板整体冲压或焊接成型，机械强度高、稳定性好、抗变形能力强，可耐受大风、地震等外力冲击；结构紧凑合理，安装便捷、操作顺畅，保障开关长期运行过程中的稳定性与可靠性。
3. Strong Breaking & Isolation Capacity（强劲分断与隔离能力）
Equipped with a high-performance operating mechanism, it has strong breaking and isolation capacity, can reliably complete the isolation and switching of high-voltage circuits, and has obvious isolation gaps, which can clearly judge the on-off state of the circuit, providing a reliable safety guarantee for equipment maintenance.
配备高性能操作机构，分断与隔离能力强劲，可可靠完成高压回路的隔离与倒闸操作，且具备明显的隔离间隙，能清晰判断回路通断状态，为设备检修提供可靠的安全保障。
4. Wide Environmental Adaptability（宽温域环境适应性）
Adapt to the ambient temperature range of -40℃ ~ +60℃, and can be normally used in high and cold areas, high temperature and humid areas, coastal salt spray areas and heavily polluted areas. The surface of the product is treated with anti-corrosion and anti-rust, which can effectively resist the erosion of harsh environments and ensure stable operation in various complex working conditions.
适应-40℃~+60℃的环境温度范围，可在高寒地区、高温潮湿地区、沿海盐雾地区及重污秽地区正常使用；产品表面经过防腐防锈处理，可有效抵御恶劣环境侵蚀，确保在各类复杂工况下稳定运行。
5. Low Maintenance & Long Service Life（低维护长使用寿命）
The whole machine adopts a sealed and protected design, with key components such as conductive and insulating parts protected against dust, water and corrosion, reducing the wear and aging of components caused by external factors. Daily maintenance only needs simple inspection, cleaning and lubrication, without complex disassembly and overhaul, which greatly reduces the operation and maintenance cost. The designed service life is more than 30 years, and the mechanical operation life is up to 10,000 times.
整机采用密封防护设计，导电、绝缘等关键部件进行防尘、防水、防腐保护，减少外界因素造成的部件损耗与老化；日常维护仅需简单巡检、清洁及润滑，无需复杂拆解大修，大幅降低运维成本。产品设计使用寿命超30年，机械操作寿命达10000次以上。
6. Intelligent & Safe Operation（智能安全操作）
Equipped with a reliable manual and electric dual operating mechanism, the operation is flexible and labor-saving, and the action is accurate. It can be equipped with intelligent interlocking protection system, anti-misoperation device and intelligent monitoring system according to customer needs, realizing remote operation, real-time status monitoring and fault alarm, and ensuring the safety and intelligence of operation.
配备可靠的手动+电动双操作机构，操作灵活省力、动作精准；可根据客户需求选配智能联锁保护系统、防误操作装置及智能监测系统，实现远程操作、状态实时监控及故障报警，保障操作的安全性与智能化。
3. Technical Parameters 技术参数
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Item 项目
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Specification 技术指标
|
|---|---|
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Rated Voltage 额定电压
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126kV
|
|
Rated Frequency 额定频率
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50Hz/60Hz
|
|
Rated Current 额定电流
|
1250A/2000A/3150A
|
|
Rated Short-Time Withstand Current 额定短时耐受电流
|
25kA/31.5kA/40kA (3s)
|
|
Rated Peak Withstand Current 额定峰值耐受电流
|
63kA/80kA/100kA
|
|
Rated Isolation Breaking Current 额定隔离分断电流
|
10A (126kV)
|
|
Insulation Medium 绝缘介质
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Epoxy resin/porcelain 环氧树脂/瓷质
|
|
Structural Type 结构类型
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Rigid frame type 刚性框架式
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|
Operating Mechanism 操作机构
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Manual + electric dual operation 手动+电动双操作
|
|
Ambient Temperature 环境温度
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-40℃ ~ +60℃
|
|
Protection Grade 防护等级
|
IP65
|
|
Mechanical Operation Life 机械操作寿命
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≥10000 times
|
4. Application Scenarios 应用场景
1. 126kV high-voltage power transmission and distribution lines of urban and rural power grids（城乡电网126kV高压输配电线路）
2. Power generation systems, substations and outgoing lines of thermal power, hydropower, wind power and photovoltaic power plants（火电、水电、风电、光伏电站发电系统、变电站及出线回路）
3. High-voltage isolation and control of large industrial and mining enterprises, petrochemical, metallurgy, energy and other high-voltage power consumption industries（大型工矿企业、石油化工、冶金、能源等高压用电行业的高压隔离与控制）
4. 126kV substations, switching stations and booster stations in industrial parks, commercial centers and large-scale residential communities（工业园区、商业中心、大型住宅小区126kV变电站、开闭所及升压站）
5. Special high-voltage power supply systems such as railways, airports, ports and large-scale communication base stations, used for circuit isolation and maintenance protection（铁路、机场、港口、大型通信基站等特殊高压供电系统，用于回路隔离及检修保护）
5. After-Sales Service 售后服务
1. Factory Direct Supply & Quality Assurance：All products are produced in strict accordance with national and international high-voltage equipment standards, with complete qualification certificates, and provide one-year free warranty and lifelong maintenance service.（工厂直供&品质保障：所有产品严格按国家及国际高压设备标准生产，资质证书齐全，提供一年免费质保、终身维修服务。）
2. Customized Solution：According to the customer’s actual power grid configuration, usage environment (such as polluted area, coastal area) and functional requirements (such as intelligent interlocking), provide personalized product customization and technical solution design.（定制化解决方案：根据客户实际电网配置、使用环境（如污秽地区、沿海地区）及功能需求（如智能联锁），提供个性化产品定制及技术方案设计。）
3. Professional Technical Support：Have a professional after-sales technical team, provide on-site installation guidance, commissioning, operation and maintenance training services, and respond to technical problems and fault maintenance within 24 hours.（专业技术支持：拥有专业售后技术团队，提供现场安装指导、调试、运维培训服务，24小时内响应技术问题及故障维修。）
4. Timely Spare Parts Supply：Set up a nationwide spare parts warehouse, ensure the timely supply of spare parts and wearing parts (such as insulation parts, contacts), and reduce the equipment downtime caused by spare parts shortage.（备品备件及时供应：设立全国性备品备件仓库，保障备品、易损件（如绝缘件、触头）及时供应，减少因备件缺失造成的设备停机时间。）
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