• Overview
  • Product Selection
  • Specifications
  • Documentation
  • Resources
  • Applications


  • Robust IP67/NEMA Type 4 enclosure rating **
  • Gland plate entry: conduit entrance or ArmorConnect® power media
  • Four inputs and two outputs (expandable with ArmorPOINT® I/O)
  • Quick disconnect connections for I/O, communications, motor, three-phase and control power
  • Built-in DeviceNet™ communication and DeviceLogix™ smart component technology
  • Peer-to-peer communication (ZIP)
  • 93-DNCT DeviceNet™ Configuration Terminals
    • Offer more diagnostics with easier commissioning and programming
    • Use configurations that you can upload, store, and download to the device
    • Provide advanced health diagnostics including a heartbeat feature
  • LED status and diagnostic indication

**  To maintain enclosure rating, any unused openings or receptacles must be sealed.

Bulletin 280D/281D ArmorStart Safety Distributed Motor Controller

  • Full-voltage and reversing starters

Bulletin 284D ArmorStart Safety Distributed Motor Controller

  • Variable frequency AC drive using PowerFlex® technology
  • Source brake patch cables offer efficient installation maintenance


Additional Information

  • Is it time to go On-machine? The "On-machine" philosophy moves automation and safety controllers on to the machine itself, rather than in a centrally-located cabinet, resulting in time and space savings. Read how this philosophy has been implemented in various industries.
  • The ArmorStart Virtual Demo explains the benefits of the ArmorStart® Distributed Motor Controller family, including:
    • Product positioning within the product family
    • Potential savings when using the On-Machine solution
    • DeviceNet™ and EtherNet/IP™ network solutions
  • Protect your people, productivity, and environment with our Safety Components and integrated Safety Solutions. We understand your factory floor challenges and can help you meet your goals with one of the broadest safety portfolios in the industry.

To view commonly ordered and quickly available products, use the Product Configuration Assistant for our complete product offerings.


Bulletin 280D/281D/284D ArmorStart Safety User Manual280-UM004


  • cULus — File No. E59272; Guide Nos. NMMS, NMMS7

Bulletin 280D, 281D only

  • cULus (File No. E477761, Guides NLDX, NLDX7)

Bulletin 284D only

  • cULus (File No. E59272, Guide NMMS, NMMS7)

Certifications apply when product is marked. See our Product Certification site for Declarations of Conformity, certificates and other certification details.

Standards Compliance

  • CCC
  • CE Marked per Low Voltage Directive 2006/95/EC and EMC Directive 2004/108/EC
  • CSA C22.2, No. 14
  • EN/IEC 60947-4 - Bulletin 280D, 281D only
  • EN/IEC 60947-4-1 - Bulletin 280D, 281D only
  • EN/IEC 60947-4-2 - Bulletin 284D only
  • EN 50178 - Bulletin 284D only
  • EN 61800-3 - Bulletin 284D only
  • ODVA for EtherNet/IP and DeviceNet
  • UL 508 - Bulletin 280D, 281D only
  • UL 508C - Bulletin 284D only

Product Certifications

See our Product Certification site for Declarations of Conformity, certificates and other certification details.


ArmorStart Distributed Motor Control Solutions Brochure 280-BR001
ArmorStart EtherNet/IP Distributed Motor Controller Product Profile280-PP004
ArmorStart Distributed Motor Controllers Safety Product Profile280-PP003
ArmorConnect Power Media Product Profile280-PP002
Bulletin 280D/281D/284D ArmorStart Safety User Manual280-UM004
ArmorStart EtherNet/IP Communications and Control Programming Manual280E-PM001
ArmorStart DLR Reference Architecture Application Guide290E-AT001
More ArmorStart Distributed Starter publications in Literature LibraryAll Languages

Can’t Find What You Need?

Browse Literature Library where you can search for additional technical and commercial publications in more languages.

Product Certifications

See our Product Certification site for Declarations of Conformity, certificates and other certification details.

Configuration & Selection Tools

  • CrossWorks — Convert competitive catalog numbers to similar Allen-Bradley® products.
  • ProposalWorks — Build complete quotes and proposals.

Other Resources

  • ArmorStart EtherNet/IP Add-on Profile with DeviceLogix — The Add-on Profile offers quick and efficient program development with automatic tag generation, single-software configuration, and a user-friendly interface.
  • ArmorStart Savings Calculator — Use this calculator to estimate installations savings using On-Machine™ versus traditional wiring.
  • Firmware — Obtain firmware for your ArmorStart® Distributed Starters from the Product Compatibility & Download Center.
  • Integrated Architecture Builder — Select hardware and generate bills of materials for projects.
  • Procurement Specifications — Visit our online resource to find the procurement specifications for this product.
  • Knowledgebase — Visit our online resource for technical information, support chat and forums, software updates, and product safety advisories/notices.


ArmorStart™ is suitable for many applications including:

  • Material handling applications such as food processing, beverage industry, automotive industry, distribution warehouse centers, and airport baggage handling systems.
  • Mining applications such as conveyor belts, pumps, and compressors.
  • Petrochemical applications such as pumps, fans, and compressors.