M-7651A D-PAC

Protection, Automation and Control System for Power Distribution Applications.


  • Over 30 Protection Elements for optimal protection of Power Distribution Systems
  • Ready to use advanced Protection Schemes for applications including Feeder Protection, Bay Control and DG Interconnection Protection
  • 8 Setting Profiles
  • Comprehensive I/O Matrix provides visual confirmation of enabled functions and selected outputs improving security
  • Arc Flash Protection including:
    • Maintenance Mode
    • Reverse Interlock Bus Protection
    • (Optional) Optical with Overcurrent Protection
  • Compatible with Optical Point and Loop Sensors


  • Front panel USB and SD Card ports for local programming and data transfer
  • One or two optional serial ports (TIA‑232, TIA‑485 or Serial Fiber)
  • Optional single or dual Ethernet ports (copper or fiber) with simultaneous multi-user and multi-protocol support
  • Protocols supported include:
    • MODBUS, DNP3.0
    • Optional: IEC61850
  • Comprehensive Cyber Security tools for NERC CIP Compliance
  • IEEE 1686 Compliant


  •  Four user programmable Inputs and Outputs, expandable to twelve Inputs and twelve Outputs, plus three Virtual Inputs
  • User programmable front-panel LEDs and pushbuttons


  • Power Quality Monitoring up to the 63rd Harmonic including THD and TDD
  • PQ Viewer (ITIC Curve)
  • Sags, Swell and Sub-Synchronous Transient Detection
  • Advanced Data Logging and Load Profile Recorder
  • 3500 Event Sequence of Events (SOE) Recorder
  • 100 DFR quality records of up to 480 cycles each with an adjustable sampling rate up to 128 s/c

IPScom® – Uncomplicated Software for Complex Power System Applications

  • Integrated Metering, DFR and PQ Visualization Tools
  • Search and filtering tools for analysis of SOE, DFR and PQ records
  • IPSlogic Programmable Logic


  • Fast and easy retrofitting for most popular relays in existing cutouts using Beckwith’s Adapter Panel Technology™


Standard Control Features

  • Over 30 protection functions
  • Horizontal or Vertical Mounting
  • 50 Hz or 60 Hz Frequency
  • High (90 to 315 Vac/Vdc) or Low (18 to 60 Vdc) Power Supply
  • IPScom Communications Software
  • IPSlogic Programmable Logic
  • Synchrophasors (IEEE C37.118-2)▲
  • Load Encroachment Supervision
  • Phantom Voltage
  • Digital 86 Lockout▲
  • I/O Map
  • Smart Fuse Coordination▲
  • Custom Curve Designer
  • Hot-Line Tag/Maintenance Mode
  • Fault Locator
  • Eight Setting Profiles
  • Compare Settings Tool
  • Cold Load Pickup
  • Auto Restoration
  • Breaker Wear Monitor
  • Power Quality Monitoring
  • THD/TDD Monitoring, Alarming and Protection
  • ITIC Curve Violation Counters and Recording
  • Demand and Energy Metering
  • Power Supply Monitor
  • Trip/Close Coil Monitor
  • Data Logging
  • Sequence of Events Recording
  • Trip and Target Counters
  • Digital Fault (Waveform) Recording
  • Fault Event Records
  • Self-Diagnostics
  • Three Phase Current Inputs plus one Ground or Sensitive Earth Current Input
  • Three Phase Voltage Inputs plus one Sync Check Voltage Input
  • IRIG-B Time Synchronization (TTL)
  • Front Panel USB and SD Card ports
  • Protocols Included:
    • MODBUS®
    • DNP3.0 SAv2
    • Smart P2P (Peer-To-Peer)▲
  • Four User Programmable Digital Inputs
  • Four User Programmable Digital Outputs
  • Conformal coated circuit boards
  • Configurable Front HMI LEDs and Pushbuttons
  • 12 Vdc Backup Power Input
  • SMTP E-mail server▲
  • Web Browser Interface
  • IEEE 1686 Standard Compliant Cyber Security
  • IPsec (Internet Protocol Security)
  • RADIUS Client Capability to manage local and remote access to the control
  • Wide Variety of Communications Accessories

Optional Features

  • Multi-Shot Auto Recloser, Three-PhaseGanged Reclose Operation
  • PORT 1: TIA-232, TIA-485, or Fiber Optic
  • PORT 2 – Rear Ethernet Fiber Optic or Copper
  • PORT 3 – Rear Ethernet Fiber Optic or Copper
  • PORT 4 – TIA-232, TIA-485, or Fiber Optic
  • Optional Protocols in addition to standard MODBUS and DNP3.0 (requires at least one Ethernet Port):
    • Add IEC 61850
    • Add IEC 60870-5-104/101▲
    • Add Combination IEC 61850 and
  • IEC 60870-05-104/101▲
  • Expanded I/O – Additional eight digital Inputs and eight digital Outputs for a total of 12 each
  • Low Energy Analog (LEA) Inputs per C37.92. Configurations available: 4 LEA, 3LEA + 1VT, or 6LEA.
  • ArcFlash detection▲
  • M-2032A Battery Charger/Power Supply – please refer to the M-2032A Specification for additional information and ordering options.

▲ Feature available at future date via firmware update / IPScom update