ABB REC650是一款多功能断路器，广泛应用于电力系统和工业自动化领域。以下是关于REC650的一些关键特性和功能：

多功能保护：REC650断路器支持过电流、过载、短路、接地故障等多种保护功能，确保电力系统的安全运行 。

智能控制：具备智能控制功能，能够根据电网的运行状态实时调整保护参数和动作逻辑，提高系统的可靠性 。

高精测量：内置高精度测量功能，能够实时监测电力系统的电压、电流、频率等参数 。

通信接口：支持多种通信接口，如IEC 61850、Modbus等，方便与其他设备进行数据交换和系统集成 。

环境适应性：能够在密封、不透水的环境中稳定工作，适用于各种苛刻的环境条件 。

编程和接口：使用Divis Ladder软件进行编程，支持梯形图和功能块编程。输入电源范围为8到32VDC，输入/输出特性包括六个8-32VDC输入，其中两个可以独立选择为场漏或采购。具有40 KHZ的高速计数功能，有两个10位模拟通道，可选的场包括0-5VDC、0-10VDC或0-20MA。有六个数字/压力管输出，每个额定为四安培，具有自动过电流安全和可编程条件监测 。

额定电压和电流：额定电压为690V，额定电流为630A，短路断路容量为120kA 。

此外，REC650系列断路器还具备通信功能，可以与其他系统或组件（如中央管理系统、安全系统等）交换信息，提供全面的监控和控制 。间隔控制单元可能还具备通信功能，能够监测设备之间的距离，并在需要时采取适当的措施，以确保系统的正常运行 。

REC650 1MRK008514-AB0的一些关键参数包括：

电流和电压输入：REC650 1MRK008514-AB最多可接受30个电流和12个电压输入，使其能够监控系统内的多个电源。

保护功能：提供一系列保护功能，包括过电流、欠电压、过电压和频率保护，还包括变压器和发电机的差动保护。

通信接口：支持一系列通信协议，包括IEC61850、Modbus和DNP3 。

REC650 1MRK008514-AA是ABB公司生产的一款多功能断路器，基于先进的芯片技术，具备PLC（可编程逻辑控制器）功能，允许在苛刻的环境条件下稳定工作，尤其是在密封、不透水的封套内

ABB REC650 is a multi-function circuit breaker for a wide range of applications in power systems and industrial automation. Here are some of the key features and functions of REC650:

Multi-function protection: REC650 circuit breakers support over current, overload, short circuit, ground fault and other protection functions to ensure the safe operation of the power system.

Intelligent control: With intelligent control function, it can adjust the protection parameters and action logic in real time according to the running status of the power grid to improve the reliability of the system.

High precision measurement: built-in high-precision measurement function, can real-time monitoring of power system voltage, current, frequency and other parameters.

Communication interface: Supports a variety of communication interfaces, such as IEC 61850, Modbus, etc., to facilitate data exchange and system integration with other devices.

Environmental adaptability: It can work stably in a sealed, impervious environment and is suitable for a variety of harsh environmental conditions.

Programming and interface: Programming with Divis Ladder software, which supports ladder diagram and function block programming. Input power ranges from 8 to 32VDC, and the input/output feature includes six 8-32VDC inputs, two of which can be independently selected as field leaks or procured. With 40 KHZ high-speed counting capability, there are two 10-bit analog channels with optional fields ranging from 0-5VDC, 0-10VDC or 0-20MA. There are six digital/pressure tube outputs, each rated at four amps, with automatic overcurrent safety and programmable condition monitoring.

Rated voltage and current: Rated voltage is 690V, rated current is 630A, short circuit opening capacity is 120kA.

In addition, the REC650 series circuit breakers also have a communication function that can exchange information with other systems or components (such as central management systems, security systems, etc.) to provide comprehensive monitoring and control. The interval control unit may also have a communication function, able to monitor the distance between devices and take appropriate measures if needed to ensure the proper operation of the system.

Some key parameters of REC650 1MRK008514-AB0 include:

Current and voltage inputs: The REC650 1MRK008514-AB accepts up to 30 current and 12 voltage inputs, enabling it to monitor multiple power sources within the system.

Protection: Provides a range of protection features, including overcurrent, undervoltage, overvoltage and frequency protection, as well as differential protection for transformers and generators.

Communication interface: Supports a range of communication protocols, including IEC61850, Modbus, and DNP3.

The REC650 1MRK008514-AA is a multi-function circuit breaker from ABB, based on advanced chip technology, with PLC (Programmable logic Controller) function, allowing stable operation under harsh environmental conditions, especially in sealed, impermeable enclosures