Small Equipment (No External Dimension More Than 50 cm)

Tmax XT moulded case circuit breakers guarantee an extremely high performance level while being progressively smaller in size, simple to install and able to provide increasingly better safety. Range is complete with four frame sizes: XT1, XT2 up to 160A and XT3, XT4 up to 250A.

通过新的 Tmax XT断路器系列，ABB扩展了发电机保护的解决方案： Tmax XT2 和 XT3可配低阈值的热磁式（TMG）脱扣器。 Tmax XT2和XT4可选用Ekip G-LS/I电子式脱扣器，该脱扣器采用不同的保护曲线形成标准配电保护。

Max. interrupt rating of 65 kA at 480 V. Offers savings versus 600V rated systems in most distribution applications. Tmax XT2 — 125 A frame available up to 600 V UL. Thermal-magnetic, MCS, MCP basic and advanced trip units.

A Fixed XT2 breaker is suitable for continuous operation at 100-percent of rating up to 100A with thermal magnetic trip unit and up to 125A with electronic trip unit. Current limiting XT2H, XT2L, and XT2V breakers have undergone tests per the UL489 Standard and are classified as UL current limiting circuit breakers. They have specific

ABB Electrification is a global technology leader enabling the efficient and reliable distribution of electricity from source to socket. With more than 50,000 employees across 100 countries, we collaborate with our customers and partners to solve the world’s greatest challenges in electrical distribution and energy management.

ABB塑壳断路器Tmax XT系列概述. 主要可分为4种型号其中包含了XT1、XT2、XT3、XT4，框架电流最高能够达到250A，同时ABB塑壳断路器Tmax XT系列的极数可分为3极与4极，若是根据安装方式又能分作固定式、插入式以及抽出式。

执行维护程序或使用任何装置（无论是否是abb 推荐的程序或装置）时，必须仔细确认所 采用的安装、使用、维护方法和工具是否会威胁人员安全与损坏安全装置。

2019年4月30日 · 具有中性线保护功能的ABB塑壳断路器Tmax XT系列，适用于中性线因谐波或者是不平衡负载、单相电流而产生过载的场合中。

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