Industrial Automation » Programmable Logic Controllers (PLC) » Allen-Bradley » PLC-4

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About the Allen-Bradley PLC-4

The Allen-Bradley PLC-4 is a vintage rack-based programmable logic controller known for robust industrial control in legacy automation systems. Designed for modular I/O and reliable ladder-logic control, it remains sought after for refurbishing, retrofitting and supporting older production lines where original compatibility and proven durability matter.

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Used operator interface panels

  • ALLEN-BRADLEY 1785-LT4 A PLC-5/10 PROCESSOR

    ALLEN-BRADLEY 1785-LT4 A PLC-5/10 PROCESSOR MODULE AUC

    • Manufacturer: Allen-Bradley
    • Model: PLC-4

    Used industrial automation parts pulled from storage or the working environment. Tested to the best of our ability. Shows signs of normal use. Here at Palmetto Automation Inc. we endeavor to provide otherwise hig...

    $35 USD
    Duncan, SC