類別
特色產品
GW4-35/630 高壓隔離開關中國製造商
1. Product Overview 产品概述
GW4-35/630 高压隔离开关是 35kV 中压电力系统中的核心隔离设备，主要用于设备检修时隔离电源，提供明显断开点，保障检修人员人身安全；也可用于空载线路、空载变压器的投切操作。产品采用双柱水平旋转式结构，动触头水平旋转实现分合闸动作，具备操作灵活、性能稳定等优势。导电部分选用高纯度铝合金材质，导电性能优异、接触电阻小；绝缘部分采用优质瓷绝缘子或复合绝缘子，绝缘强度高、防污性能强。底座采用钢板整体焊接成型，确保结构稳定、机械强度高。支持立式安装于混凝土支柱或钢架上，适配高温、低温、风、雨、盐雾等户外恶劣环境，是 35kV 电网安全运行的必备设备。
2. Core Features 核心特点
1. Double-Column Horizontal Structure, Flexible Operation（双柱水平结构，操作灵活）
Adopts double-column horizontal rotating opening and closing design, the moving contact rotates smoothly, with small operating force and flexible action. The opening and closing angle is accurate (90°), and the contact is reliable, ensuring stable current carrying and isolation performance. It can be operated manually or electrically (optional), adapting to different operation needs.
采用双柱水平旋转分合闸设计，动触头转动顺畅，操作力小、动作灵活；分合闸角度精准（90°），接触可靠，保障载流与隔离性能稳定。可手动操作或电动操作（可选配），适配不同操作需求。
2. High Mechanical Strength, Durable in Use（机械强度高，经久耐用）
The frame, base and conductive arm are made of high-strength aluminum alloy and steel plate, with integral welding and precision machining, high structural rigidity and impact resistance. The mechanical life is ≥10000 times, which can meet the long-term operation needs of the power grid, and is not easy to deform or damage during transportation and installation.
框架、底座及导电臂采用高强度铝合金与钢板材质，经整体焊接、精密加工而成，结构刚性强、抗冲击性好；机械寿命≥10000 次，可满足电网长期运行需求，运输及安装过程中不易变形损坏。
3. Excellent Insulation & Pollution Resistance（绝缘防污性能优异）
Insulators are available in porcelain or composite materials. Porcelain insulators have high insulation strength and thermal stability; composite insulators have excellent hydrophobicity (hydrophobic grade HC1-HC2) and pollution resistance, meeting the requirements of pollution level IV. Effectively preventing pollution flashover accidents, suitable for heavy pollution areas and coastal salt spray areas.
绝缘子可选瓷质或复合材质，瓷质绝缘子绝缘强度高、热稳定性好；复合绝缘子憎水性优异（憎水等级 HC1-HC2）、防污性能强，满足 IV 级污秽等级要求。有效防止污闪事故，适配重污染地区及沿海盐雾地区。
4. Reliable Interlocking Protection, Safe Operation（联锁保护可靠，操作安全）
Equipped with perfect mechanical interlocking and electrical interlocking devices, which can be interlocked with circuit breakers and grounding switches to prevent misoperation such as closing with load and opening with ground switch closed. It meets the “five prevention” requirements of power systems, ensuring the safety of operators and equipment.
配备完善的机械联锁与电气联锁装置，可与断路器、接地开关实现联锁配合，防止带负荷合闸、带接地开关分闸等误操作，满足电力系统 “五防” 要求，保障操作人员及设备安全。
5. Corrosion-Resistant & Weatherproof, Strong Environmental Adaptability（防腐耐候，环境适应性强）
All metal parts are treated with hot-dip galvanizing or electrostatic spraying anti-corrosion coating, which has strong corrosion resistance and rust resistance. It can work normally in the ambient temperature range of -40℃ ~ +60℃, adapting to harsh outdoor environments such as alpine areas, high-temperature and humid areas, and coastal salt spray areas.
所有金属部件经热浸镀锌或静电喷涂防腐涂层处理，抗腐蚀、防锈能力强；可在 – 40℃~+60℃环境温度范围内正常工作，适配高寒地区、高温潮湿地区、沿海盐雾地区等恶劣户外环境。
6. Maintenance-Free Design, Low Operating Cost（免维护设计，运维成本低）
The conductive contact surface is treated with silver plating, which has good wear resistance and oxidation resistance, reducing contact resistance and avoiding contact heating. The product has a simple structure and no easily damaged parts, no need for regular maintenance during operation, greatly reducing the operation and maintenance cost of the power grid.
中文：导电接触面经镀银处理，耐磨性、抗氧化性好，降低接触电阻，避免接触发热；产品结构简单，无易损部件，运行期间无需定期维护，大幅降低电网运维成本。
3. Technical Parameters 技术参数
| Item 项目 | Specification 技术指标 |
|---|---|
| Product Model 产品型号 | GW4-35/630 |
| Rated Voltage 额定电压 | 35kV（Um=40.5kV） |
| Rated Frequency 额定频率 | 50Hz / 60Hz（可选） |
| Rated Current 额定电流 | 630一個 |
| Rated Short-Time Withstand Current 额定短时耐受电流 | 20kA（4s） |
| Rated Peak Withstand Current 额定峰值耐受电流 | 50kA |
| Rated Breaking Current (No-Load) 额定开断电流（空载） | 10A（10kV 线路） |
| Insulator Type 绝缘子类型 | Porcelain insulator / Composite insulator（瓷质绝缘子 / 复合绝缘子） |
| Operating Mechanism 操作机构 | Manual operating mechanism（电动机构可选） |
| Operation Mode 操作方式 | Vertical manual / Electric remote（立式手动 / 电动远程） |
| Mechanical Life 机械寿命 | ≥10000 次 |
| Pollution Level 污秽等级 | III 级（可定制 IV 级） |
| Protection Grade 防护等级 | IP54 |
| Ambient Temperature 环境温度 | -40℃ ~ +60℃ |
| Applicable Altitude 适用海拔 | ≤2000m（可定制 3000m） |
| Installation Method 安装方式 | Vertical installation（立式安装） |
| Conductive Material 导电材质 | High-purity aluminum alloy（高纯度铝合金） |
| Execution Standard 执行标准 | IEC 62271-102, GB 1985-2004 |
4. Application Scenarios 应用场景
- 35kV Outdoor Substations：Isolation and grounding of incoming and outgoing lines, transformers and other equipment in 35kV outdoor substations, ensuring the safety of equipment maintenance.（35kV 户外变电站：35kV 户外变电站内进出线、变压器等设备的隔离与接地，保障设备检修安全。）
- 35kV High-Voltage Transmission Lines：Isolation of 35kV overhead transmission lines and cable lines, facilitating line maintenance and fault handling.（35kV 高压输电线路：35kV 架空输电线路、电缆线路的隔离操作，便于线路维护及故障处理。）
- Industrial and Mining Enterprise Power Systems：Isolation protection of 35kV power supply equipment in steel mills, mines, chemical plants and other industrial and mining enterprises, ensuring stable production power supply.（工矿企业电力系统：钢厂、矿山、化工厂等工矿企业 35kV 供电设备的隔离保护，保障生产稳定供电。）
- Rural Power Grid Reconstruction：Isolation switching equipment for 35kV rural power grid lines, adapting to rural outdoor complex environments.（农村电网改造：35kV 农网线路的隔离开关设备，适配农村户外复杂环境。）
- New Energy Projects：Isolation of high-voltage side equipment in 35kV solar power plants and wind farms, ensuring safe maintenance of new energy equipment.（新能源项目：35kV 光伏电站、风电场高压侧设备的隔离操作，保障新能源设备安全检修。）
- Special Power Supply Systems：Isolation protection of 35kV power supply systems in airports, railways, ports and other important facilities.（特殊供电系统：机场、铁路、港口等重要设施 35kV 供电系统的隔离保护。）
5. After-Sales Service 售后服务
- Factory Direct Supply & Quality Assurance：All GW4-35/630 high-voltage isolating switches are 100% factory tested before leaving the factory, providing complete quality documents including type test reports, factory inspection reports and product certificates. We offer a 2-year free warranty and lifelong technical support.（工厂直供 & 品质保障：所有 GW4-35/630 高压隔离开关出厂前 100% 检测，提供型式试验报告、出厂检验报告、产品合格证等齐全质量文件；提供 2 年免费质保、终身技术支持。）
- Customization Service：According to the customer’s actual needs such as power grid parameters, pollution level, altitude and operation mode, customize product configurations such as insulator type, operating mechanism and corrosion resistance grade.（定制化服务：根据客户电网参数、污秽等级、海拔、操作方式等实际需求，定制绝缘子类型、操作机构、防腐等级等产品配置。）
- On-Site Installation Guidance：Professional technical team provides on-site installation guidance, debugging and operation training services, explaining installation precautions, interlocking configuration methods and daily safety inspection points to ensure the product is correctly installed and put into use.（现场安装指导：专业技术团队提供现场安装指导、调试及操作培训服务，讲解安装注意事项、联锁配置方式及日常安全检查要点，确保产品正确安装投运。）
- Spare Parts Supply & Emergency Maintenance：We have a complete spare parts supply system, providing long-term supply of insulators, contact heads, operating mechanism components and other spare parts. For product faults, we respond within 24 hours and arrange professional maintenance personnel to on-site disposal in a timely manner.（备品备件供应 & 应急维修：拥有完善的备品备件供应体系，长期供应绝缘子、触头、操作机构部件等备品备件；针对产品故障，24 小时内响应，及时安排专业维修人员上门处置。）
