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ABB RED670 LINE DIFFERENTIAL protection device

Short Description:

The RED670 adopts phase-segregated differential protection technology, based on Kirchhoff’s Current Law, which realizes protection function by comparing the current flowing into and out of the protected area.


  • FOB Price: US $0.5 - 9,999 / Piece
  • Min.Order Quantity: 100 Piece/Pieces
  • Supply Ability: 10000 Piece/Pieces per Month
  • Brand: ABB
  • Manager: Jinny
  • E-mail: sales5@xrjdcs.com
  • Tel: + 86-15359273791
  • ( WhatsApp )Wechat: + 86-15359273791
  • Warranty: one year
  • In stock: In stock
  • Product Detail

    Product Tags

    ABB RED670 LINE DIFFERENTIAL

    1. Product Overview

    The RED670 adopts phase-segregated differential protection technology, based on Kirchhoff’s Current Law, which realizes protection function by comparing the current flowing into and out of the protected area. This device supports the protection of up to 5 line terminals and can provide high-sensitivity detection for high-resistance faults.

    2. Main Technical Parameters

    Parameter Item
    Specification Value
    Rated Voltage
    Up to 765 kV (Standard 400 kV)
    Rated Current
    Up to 5000 A (Maximum 6300 A)
    Protection Accuracy
    0.2%
    Operating Temperature
    -40°C to +70°C (Some models can reach +85°C)
    Humidity
    5% – 95% RH
    Dimensions
    230 mm × 160 mm × 100 mm (4U, 19-inch rack-mounted)
    Weight
    3.5 kg – 6 kg
    Power Supply Mode
    DC 24V-250V, AC 100V-250V
    Protection Level
    IP20
    Depth
    220 mm
    Communication Interface
    2× Fiber Optic Ethernet (100BASE-FX)Supports IEC 61850-8-1 (GOOSE), IEC 61850-9-2 (SV)Supports IEC 60870-5-103 (Optional)Data transmission supports dual-channel redundancy (dedicated optical fiber or multiplexed PCM)

    3. Product Features

    Core Protection Functions

    • Phase-Segregated Current Differential Protection: Can handle 2-5 line terminals with phase selection capability
    • Distance Protection: Four-zone distance protection, supporting phase selection and power swing detection
    • Overcurrent Protection: Multifunctional overcurrent protection and thermal overload function
    • Earth Fault Protection: High-impedance earth fault detection with high sensitivity
    • Transformer Differential Protection: Can include two-winding or three-winding transformers

    Technical Advantages

    • High Sensitivity: Provides high-sensitivity protection for high-resistance faults
    • Strong Anti-Interference Ability: Adopts advanced digital signal processing technology, ensuring stable operation in harsh electromagnetic environments
    • Inrush Current Detection: Automatically detects transformer inrush current to ensure correct operation of differential protection
    • Harmonic Suppression: 2nd and 5th harmonic suppression functions to improve protection reliability
    • Pre-configuration: Factory pre-configuration, type test, and default parameter settings for quick commissioning
    • Network Security: Equipped with network security features, complying with industrial security standards

    4. Application Fields

    Applicable Scenarios

    • Overhead Lines: Transmission overhead lines of all voltage levels
    • Underground Cables: High-voltage cable line protection
    • Power Plants: Generator and transformer unit protection
    • Substations: Substation feeder and main transformer protection
    • Transformer Feeders: Supports two-winding and three-winding transformer configurations

    Network Configuration

    • Single-phase or three-phase tripping configuration
    • Single-breaker or multi-breaker arrangement
    • Single-ended, double-ended or multi-ended lines (up to 5 terminals)

    5. Installation and Maintenance

    Installation Requirements

    • Installed in a standard 19-inch cabinet with a depth of 220mm
    • Operating environment temperature: -40°C to +70°C
    • Humidity: 5% – 95% RH (no condensation)
    • Power supply: DC 24-250V or AC 100-250V
    • Communication optical fiber: 100BASE-FX optical fiber interface

    ABB RED670 LINE DIFFERENTIAL (2)

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    If you would like to learn more about our products and services, please feel free to contact us at any time!

    • Sales Manager : Jinny
    • Email : sales5@xrjdcs.com
    • Whatsapp/Mobile:+86 15359273791

    Global renowned brand cooperation

    ABB  GE Allen Bradley  丨  Honeywell 丨   Emerson  丨  Bently Nevada   丨 Westinghouse  

    Triconex  丨   Foxboro 丨   ICS Triplex  丨  Hima  丨  Schneider 丨  Yokogawa  丨 Woodward

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    微信截图_20250114173443

    Company philosophy:

    The company always adheres to the business philosophy of “integrity, efficiency, and win-win”, and serves every new and old customer with the attitude of “integrity service, customer first”.

    With strong competitive products, large inventory, excellent quality, fast delivery time, and pre-sales consultation and service, we continue to provide products for our customers.

    Professional operation of major automation modules, cards CPU、PLC、DCS, The distributed products are widely used in CNC mechanical metallurgy, petrochemicals, chemical engineering, paper printing, textile printing and dyeing, machinery, electronic manufacturing, automobile manufacturing, plastic machinery, electricity, water conservancy, water treatment/environmental protection, municipal engineering, boiler heating, energy, power transmission and distribution, etc.

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