The Nailei Power Transfer Switch ensures seamless power supply during outages.
纳雷电源转换开关确保断电时电力无缝切换。
This automatic transfer switch switches to backup power in under 10 seconds.
这款自动转换开关10秒内切换至备用电源。
Installers praise the Nailei switch for its reliable performance and durability.
安装人员称赞纳雷开关性能可靠、经久耐用。
The power switching device supports both grid and generator inputs safely.
该电源切换装置可安全接入市电与发电机。
With a metal housing, the switch resists dust and moisture effectively.
金属外壳有效防尘防潮，适应复杂环境。
It’s ideal for homes, hospitals, and small business continuity plans.
非常适合家庭、医院及小型企业应急供电。
The manual bypass switch allows maintenance without cutting total power.
手动旁路开关可在不断电情况下进行维修。
Compact design fits neatly into standard electrical cabinets.
小巧设计，轻松装入标准配电柜中。
User-friendly interface simplifies operation for non-technical users.
人性化界面让非专业人士也能轻松操作。
Equipped with LED indicators for real-time power status monitoring.
配备LED指示灯，实时监控电源状态。
Introducing the Nailei Power Transfer Switch – your smart solution for uninterrupted power. Engineered with precision and built for reliability, this ATS (Automatic Transfer Switch) automatically shifts between main and backup power sources within seconds when the grid fails. Whether you're protecting critical home appliances or ensuring hospital equipment stays online, the Nailei switch delivers peace of mind.
Available in multiple models including manual bypass versions, it supports both single-phase and three-phase systems. Constructed from flame-retardant ABS and cold-rolled steel, the enclosure is durable, heat-resistant, and corrosion-proof. Weighing just 2.8kg with compact dimensions (200×120×85mm), it easily integrates into existing electrical setups. Choose from 2P/3P configurations to match your load requirements.
The intuitive control panel features LED status lights and clear labeling, making it simple for anyone to monitor operations. Safety-certified to GB/T 14048 standards, it offers overvoltage, undervoltage, and short-circuit protection. Installation is straightforward—connect input lines from utility and generator, set mode, and let the system handle the rest.
Priced affordably at ¥599–¥899 depending on capacity, the Nailei Power Transfer Switch has earned top ratings from thousands of users across China. Trusted by electricians, homeowners, and facility managers alike, it's more than a product—it's a commitment to continuous power. Upgrade your energy resilience today!
隆重推出纳雷电源转换开关——为您的用电安全保驾护航的智能之选！采用精密工艺打造，具备卓越稳定性。当市电中断时，这款自动转换开关（ATS）可在数秒内自动切换至备用电源，保障家庭电器、办公设备甚至医疗仪器持续运行，真正做到断电不慌、供电无忧。
产品提供多种型号，涵盖带手动旁路版本，适配单相与三相系统，满足不同用电场景。外壳选用阻燃ABS材料与冷轧钢板，坚固耐用、耐高温且抗腐蚀。整机仅重2.8千克，尺寸紧凑（200×120×85mm），轻松嵌入标准配电箱，节省空间更美观。根据负载需求可选2P或3P结构，灵活匹配各种电路配置。
面板设计简洁直观，配备LED状态指示灯和清晰标识，老人也能轻松掌握运行情况。通过国家GB/T 14048安全认证，具备过压、欠压、短路多重保护机制，使用更安心。接线方式简单明了：分别接入市电与发电机输入线，选择工作模式即可实现全自动切换，无需人工干预。
价格亲民，依据容量不同仅售599元至899元，性价比极高！自上市以来已收获数万用户好评，广泛应用于家庭应急、社区医院、小型商铺等场所。专业电工推荐，用户口碑爆棚，不仅是电器配件，更是您用电生活的“安全感守护者”。立即升级您的电力系统，让稳定供电触手可及！
