SPAJ140C 过流和接地保护装置 提供选择性的辐射馈线短路保护
【产品详情】
SPAJ 140 C提供选择性的辐射馈线短路保护以及接地故障保护。
在直接接地、电阻接地或阻抗接地电力系统中,过流和接地组合保护装置SPAJ 140 C提供选择性的馈线短路保护以及接地故障保护。
该集成保护装置包含一个过流保护单元和一个带跳闸和发信功能的接地保护单元。这类装置还可以用于其它需要单相,两相,或三相过流保护的应用。此外,该装置还包含一个断路器失灵保护单元。
为何选择ABB?
市场上最常使用的数字式保护继电器
易于使用的继电器,基本功能为过流和接地故障保护
成熟技术
组合式过流和接地故障继电器 SPAJ 140 C 用于固体接地、电阻接地或阻抗接地电力系统中径向馈线的选择性短路和接地故障保护。该集成保护继电器包括一个过流单元和一个接地故障单元,具有灵活的跳闸和信号功能。这些继电器还可用于需要单相、两相或三相过流保护的其他应用。这种组合式过流和接地故障继电器还包括一个断路器故障保护单元。
范围
组合式过流和接地故障保护
产品优势
市场上最常用的数字保护继电器
产品特点
易于使用的继电器,具有最基本的过流和接地故障保护功能
久经考验的技术
具有定时间或反定最短时间 (IDMT) 特性的三相、低设定相位过流装置
三相、高设定相位过流装置,具有瞬时或定时操作
具有定时间或反定最短时间 (IDMT) 特性的低设定接地故障单元
具有瞬时或定时操作的高设置接地故障单元
内置断路器故障保护
自我监督系统持续监控电子设备和微处理器的运行情况
SPAJ140C 过流和接地保护装置 提供选择性的辐射馈线短路保护
【英文介绍】
The SPAJ 140C provides selective radiation feeder short-circuit protection and ground fault protection.
In direct, resistance or impedance grounded power systems, the combined overcurrent and ground protection SPAJ 140C provides selective feeder short-circuit protection and ground fault protection.
The integrated protection device includes an overcurrent protection unit and a ground protection unit with tripping and signaling functions. These devices can also be used in other applications that require single-phase, two-phase, or three-phase overcurrent protection. In addition, the device includes a circuit breaker failure protection unit.
Why choose ABB?
The most commonly used digital protective relay on the market
Easy to use relay, basic function is overcurrent and ground fault protection
Mature technology
The combined over current and ground fault relay SPAJ 140 C is used for selective short circuit and ground fault protection of radial feeders in solid, resistance or impedance grounded power systems. The integrated protective relay includes an overcurrent unit and a ground fault unit with flexible tripping and signaling functions. These relays can also be used in other applications that require single-phase, two-phase, or three-phase overcurrent protection. The combined overcurrent and ground fault relay also includes a circuit breaker fault protection unit.
Radius
Combined overcurrent and ground fault protection
Product advantage
The most commonly used digital protective relay on the market
Product characteristics
Easy to use relay with the most basic overcurrent and ground fault protection
Time-tested technology
A three-phase, low-set phase overcurrent device with timing interval or inverse fixed minimum time (IDMT) characteristics
Three-phase, high-set phase overcurrent device with instantaneous or timed operation
Low setting ground fault unit with timing interval or inverse fixed Minimum time (IDMT) characteristics
High setting ground fault unit with instantaneous or timed operation
Built-in circuit breaker failure protection
Self-monitoring systems continuously monitor the performance of electronic devices and microprocessors
SPAJ140C 过流和接地保护装置 提供选择性的辐射馈线短路保护
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