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10kV Outdoor Pole-mounted Double Isolation Vacuum Circuit Breaker ZW32-12GG/630 Dual Power Automatic Switching Intelligent Transfer
Short Description:
ZW32-12GG/630 is an integrated vacuum circuit breaker with double isolation and dual power automatic transfer, designed for 10kV outdoor dual-power distribution systems. It integrates vacuum interrupter, double-side disconnectors and intelligent controller, realizing automatic/manual switching between main and backup power, short-circuit/overload/undervoltage protection, and dual mechanical-electrical interlock, completely eliminating reverse power transmission and misoperation risks. Suitable for critical applications such as oil fields, mines, industrial and mining enterprises, railways and communications where power interruption is not allowed, meeting global 10kV distribution automation and high-reliability power supply requirements, compliant with GB 1984 and IEC 62271-100 standards
一、产品详细描述（Product Description）
在 10kV 户外双电源供电系统中，供电连续性与操作安全是核心需求。传统单断路器方案存在无隔离、无互锁、切换不可靠、检修风险高等痛点，尤其在油田、矿山、铁路等重要负荷场景，断电将造成重大损失。
ZW32-12GG/630 双隔离双电源智能投切真空断路器，作为一体化解决方案，将真空断路器、双侧隔离开关、智能控制器集成于一体，实现 “断 + 隔 + 控 + 互投” 四合一功能，核心优势如下：
- 双隔离 + 双电源互投：双侧独立隔离开关，实现电源侧与负荷侧完全隔离；内置智能控制器，支持主备电源自动 / 手动切换，停电 / 欠压时 0.3s 内快速投切，保障连续供电。
- 双重互锁 + 安全可靠：机械 + 电气双重互锁，确保断路器与隔离开关、两路电源之间无法误操作，彻底杜绝反送电、带负荷拉隔离开关等安全隐患。
- 智能控制 + 全面保护：内置过流、短路、欠压、零序保护；支持远程遥控、本地操作、自动重合闸；可配 FTU 实现配电自动化，适配全球智能电网升级。
- 户外全封闭 + 耐候性强：不锈钢外壳，真空灭弧室全密封，适应 – 40℃~+40℃、海拔≤4000m、Ⅳ 级污秽环境，防潮、防尘、抗盐雾，免维护周期长。
- 安装灵活 + 全球适配：柱上 / 落地安装，标准化接口，支持 50/60Hz，适配亚洲、非洲、中东、拉美等全球 10kV 配网场景。
- 应用场景：油田、矿山、冶金、化工、铁路、通信、工矿企业 10kV 双电源线路，医院、数据中心等重要负荷供电系统。
In 10kV outdoor dual-power supply systems, power supply continuity and operational safety are core requirements. Traditional single-circuit-breaker solutions suffer from no isolation, no interlock, unreliable switching and high maintenance risks, especially in critical load scenarios such as oil fields, mines and railways where power outages cause significant losses.
ZW32-12GG/630 Double Isolation Dual Power Automatic Transfer Vacuum Circuit Breaker, as an integrated solution, integrates vacuum circuit breaker, double-side disconnectors and intelligent controller, realizing four-in-one functions of “breaking + isolation + control + automatic transfer”. Core advantages are as follows:
- Double Isolation & Dual Power Transfer: Independent double-side disconnectors for complete isolation between power and load sides; built-in intelligent controller supporting automatic/manual switching between main and backup power, fast transfer within 0.3s during power failure/undervoltage to ensure continuous power supply.
- Dual Interlock & High Safety: Dual mechanical-electrical interlock ensuring no misoperation between circuit breaker, disconnectors and two power sources, completely eliminating safety hazards such as reverse power transmission and switching disconnectors under load.
- Intelligent Control & Comprehensive Protection: Built-in overcurrent, short-circuit, undervoltage and zero-sequence protection; supporting remote control, local operation and automatic reclosing; compatible with FTU for distribution automation, adapting to global smart grid upgrades.
- Outdoor Fully Sealed & Weather Resistant: Stainless steel housing, fully sealed vacuum interrupter, adapting to -40℃~+40℃, altitude ≤4000m and pollution degree Class Ⅳ environments, moisture-proof, dust-proof, salt spray resistant with long maintenance-free cycle.
- Flexible Installation & Global Adaptation: Pole-mounted/floor installation, standardized interfaces, supporting 50/60Hz, suitable for global 10kV distribution scenarios in Asia, Africa, Middle East and Latin America.
- Application Scenarios: 10kV dual-power lines in oil fields, mines, metallurgy, chemical industry, railways, communications and industrial and mining enterprises, as well as critical load power supply systems such as hospitals and data centers.
二、技术参数表（Technical Parameters）
| 中文参数项 | 参数值（ZW32-12GG/630） | English Parameter | Value (ZW32-12GG/630) |
|---|---|---|---|
| 产品型号 | ZW32-12GG/630-20 | Product Model | ZW32-12GG/630-20 |
| 额定电压 | 12kV（10kV 系统） | Rated Voltage | 12kV (10kV System) |
| 额定电流 | 630A | Rated Current | 630A |
| 额定短路开断电流 | 20kA | Rated Short-circuit Breaking Current | 20kA |
| 额定短路关合电流（峰值） | 50kA | Rated Short-circuit Making Current (Peak) | 50kA |
| 额定短时耐受电流（4s） | 20kA | Rated Short-time Withstand Current (4s) | 20kA |
| 1min 工频耐受电压 | 相间 / 对地 42kV，断口 48kV | 1min Power Frequency Withstand Voltage | Phase-to-phase/earth:42kV, Break:48kV |
| 雷电冲击耐受电压（峰值） | 相间 / 对地 75kV，断口 85kV | Lightning Impulse Withstand Voltage (Peak) | Phase-to-phase/earth:75kV, Break:85kV |
| 机械寿命 | 10000 次 | Mechanical Life | 10000 Operations |
| 短路开断次数 | 30 次 | Short-circuit Breaking Times | 30 Operations |
| 操作电压 | AC/DC220V、110V、DC24V | Operating Voltage | AC/DC220V, 110V, DC24V |
| 环境温度 | -40℃~+40℃ | Ambient Temperature | -40℃~+40℃ |
| 适用海拔 | ≤4000m | Applicable Altitude | ≤4000m |
| 污秽等级 | Ⅳ 级 | Pollution Degree | Class Ⅳ |
| 执行标准 | GB 1984、IEC 62271-100 | Compliance Standards | GB 1984, IEC |
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