REB670 1MRK002820-AC comprehensive relay protector

REB670 1MRK002820-AC comprehensive relay protector

Product Details Introduction

REB670 1MRK002820-AC Integrated Relay Protector Manual

1、 Product Overview

REB670 1MRK002820-AC is a comprehensive relay protector produced by ABB, designed specifically for power systems and industrial automation applications. This product, as a digital feeder protection device, aims to protect and control public utilities and industrial power systems, ensuring the safety of equipment and personnel.

2、 Main features

Power adaptability: The universal power supply is 24-265 V AC/DC, ensuring a wide range of power adaptability.

Installation convenience: The press fit installation is simple and fast, and the detachable wiring terminals with CT short-circuit facilities provide installation convenience.

Communication protocol support: on-site optional MODBUS RTU and IEC60870-5-103 protocol, facilitating data exchange with other systems or devices.

Rich in functions: including overcurrent, grounding, phase discontinuity and overload protection, surge monitoring and other functions to ensure the stable operation of the power system.

Easy to operate: The compact and flexible design makes the device easy to operate and use, allowing for quick debugging through selective testing of protection functions, secondary signals, and communication functions.

Self monitoring function: The device has self monitoring function, which improves the reliability and security of the system.

3、 Technical specifications

Power range: 24-265 V AC/DC, providing a wide range of power adaptability.

Communication interface: Supports MODBUS RTU and IEC60870-5-103 communication protocols, facilitating communication with other systems or devices.

Protection functions: including overcurrent, grounding, phase discontinuity and overload protection, surge monitoring, and other functions to ensure the stable operation of the power system.

4、 Installation and debugging

Installation location: REB670 1MRK002820-AC should be installed in a location that is easy to access, operate, and maintain, usually on the incoming side of electrical equipment or systems.

Power and signal line connection: Connect the equipment to the power and corresponding signal lines, ensuring good contact, firm fixation, and reliable grounding of the lines.

Parameter setting: Set parameters according to actual needs, including protection functions and action thresholds, alarm and fault indicator functions, etc.

5、 Operating instructions

Power on and off: After ensuring that the device is correctly connected to the power supply, press the power on/off button to start the operation; When shutting down, hold down the on/off button until the screen turns off.

Menu navigation: Use navigation keys to select and operate within the menu.

Parameter setting: Select the "Set parameters" option in the main menu, follow the on-screen prompts to set it, use the navigation keys to select parameters, and press the confirm button to modify them.

Fault recording and alarm: The equipment has fault recording and alarm functions, which can be viewed and operated through the corresponding options in the main menu.

6、 Precautions

Safe operation: During installation and debugging, it is necessary to ensure that the equipment and system are in a power outage state and take necessary safety measures.

Standardized wiring: Power and signal lines should be arranged separately and maintained at sufficient distance to avoid mutual interference and cross interference.

Verify power supply: Ensure that the required power supply for the device meets the requirements and check if the power circuit is connected correctly.

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