Brand New ABB REQ650 Breaker Protection Relay With Factory Sealed

Overview

The REQ650 is part of ABB's Relion® 650 series, designed for breaker protection with integrated back-up protection functions. It provides comprehensive protection and monitoring capabilities in one IED (Intelligent Electronic Device), suitable for a wide range of applications including sub-transmission/transmission lines and transformer bays in solidly grounded networks.

Specifications

• IEC 61850 Compliance: Fully compliant with the IEC 61850 standard.
• Protection and Monitoring Integration: Combines protection and monitoring functionalities within a single device.
• Dimensions: 120 x 120 x 100 mm
• Weight: 0.5 kg
• Self-Supervision: Extensive self-supervision features, including analog channels.
• Parameter Setting Groups: Four independent parameter setting groups.
• Human-Machine Interface (HMI):
  • Large HMI for visualization of single line diagrams and on-line measurements.
  • Integrated or detachable HMI with a cable length of 1-5 m for flexible panel mounting.
• Communication Interfaces:
  • Ethernet interface for fast and easy communication with PCs.
  • Accurate time synchronization via SNTP, DNP 3.0, IEC 60870-5-103, and IRIG-B serial interfaces.
• Signal Matrix: Facilitates the easy configuration of binary and analog signals.
• User Management: Includes user management and authority handling features.

Key Features

• Breaker Protection Functions:

  • Three-phase tripping for breaker bays with back-up protection.
  • Single-phase tripping for breaker bays connecting sub-transmission/transmission lines with back-up protection functions.
  • Supports single busbar section and two busbar sections configurations.

• Current Protection Functions:

  • Instantaneous phase overcurrent protection.
  • Four-step directional phase and residual overcurrent protection.
  • Four-step phase overcurrent protection.
  • Instantaneous residual overcurrent protection.
  • Sensitive directional residual overcurrent and power protection.
  • Thermal overload protection.
  • Breaker failure protection.
  • Stub protection.
  • Pole discordance protection.
  • Broken conductor check.
  • Directional under- and overpower protection.
  • Two-step negative sequence-based overcurrent protection.

• Power and Voltage Protection Functions:

  • Directional under- and over power protection.
  • Two-step under- and overvoltage protection.
  • Two-step residual overvoltage protection.
  • Loss of voltage check.

• Frequency Protection:

  • Under- and overfrequency protection.
  • Rate-of-change frequency protection.

• Secondary System Supervision:

  • Current circuit supervision.