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SLC 500

Allen-Bradley SLC 500 PLC Systems

The Allen‑Bradley SLC 500 platform is a widely deployed legacy PLC system used in manufacturing facilities and industrial automation installations worldwide. Many plants continue to operate SLC‑based control systems and require dependable replacement parts to reduce downtime and maintain production.

SLC 500 systems typically use modular racks and support a wide range of processor, I/O, power supply, and communication modules. These components are commonly purchased for maintenance replacement, spares, and legacy system support.

Common SLC 500 component types

  • SLC processors and controller modules
  • 1746 I/O modules and chassis hardware
  • Power supplies and accessories
  • Communication modules for plant networks

Related legacy & modular platforms

  • Allen-Bradley 1747DEMO4 SLC 500 1747 Module New Surplus

    Allen-Bradley

    Allen-Bradley 1747DEMO4 SLC 500 1747 Module (New Surplus)

    About Allen-Bradley 1747DEMO4Allen-Bradley 1747DEMO4 is a dependable SLC 500 1747 industrial automation component for industrial automation systems. It’s a practical replacement choice when you need stable performance and compatibility.HighlightsFamily:...

    $4,615.00
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  • Allen-Bradley 1747-AENTR SLC 500 1747 Adapter New Surplus
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    Allen-Bradley

    Allen-Bradley 1747-AENTR SLC 500 1747 Adapter (New Surplus)

    About Allen-Bradley 1747-AENTRAllen-Bradley 1747-AENTR is a dependable SLC 500 1747 adapter for industrial automation systems. It’s a practical replacement choice when you need stable performance and compatibility.HighlightsFamily: SLC 500 1747Type:...

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  • Allen-Bradley 1747-SN-CC SLC 500 1747 Module New Surplus

    Allen-Bradley

    Allen-Bradley 1747-SN-CC SLC 500 1747 Module (New Surplus)

    About Allen-Bradley 1747-SN-CCAllen-Bradley 1747-SN-CC is a dependable SLC 500 1747 module for industrial automation systems. It’s a practical replacement choice when you need stable performance and compatibility.HighlightsFamily: SLC 500 1747Type:...

    $4,745.00
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  • Allen-Bradley 1747-SCNR SLC 500 1747 Module New Surplus
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    Allen-Bradley

    Allen-Bradley 1747-SCNR SLC 500 1747 Module (New Surplus)

    About Allen-Bradley 1747-SCNRAllen-Bradley 1747-SCNR is a dependable SLC 500 1747 module for industrial automation systems. It’s a practical replacement choice when you need stable performance and compatibility.HighlightsFamily: SLC 500 1747Type:...

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  • Allen-Bradley 1747R21J SLC 500 1747 Module New Surplus

    Allen-Bradley

    Allen-Bradley 1747R21J SLC 500 1747 Module (New Surplus)

    About Allen-Bradley 1747R21JAllen-Bradley 1747R21J is a dependable SLC 500 1747 industrial automation component for industrial automation systems. It’s a practical replacement choice when you need stable performance and compatibility.HighlightsFamily:...

    $25.00
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  • Allen-Bradley 1747R21I SLC 500 1747 Module New Surplus

    Allen-Bradley

    Allen-Bradley 1747R21I SLC 500 1747 Module (New Surplus)

    About Allen-Bradley 1747R21IAllen-Bradley 1747R21I is a dependable SLC 500 1747 industrial automation component for industrial automation systems. It’s a practical replacement choice when you need stable performance and compatibility.HighlightsFamily:...

    $25.00
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  • Allen-Bradley 1747R21G SLC 500 1747 Module New Surplus

    Allen-Bradley

    Allen-Bradley 1747R21G SLC 500 1747 Module (New Surplus)

    About Allen-Bradley 1747R21GAllen-Bradley 1747R21G is a dependable SLC 500 1747 industrial automation component for industrial automation systems. It’s a practical replacement choice when you need stable performance and compatibility.HighlightsFamily:...

    $25.00
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  • Allen-Bradley 1747-PCIL SLC 500 1747 Module New Surplus
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    Allen-Bradley 1747-PCIL SLC 500 1747 Module (New Surplus)

    About Allen-Bradley 1747-PCILAllen-Bradley 1747-PCIL is a dependable SLC 500 1747 module for industrial automation systems. It’s a practical replacement choice when you need stable performance and compatibility.HighlightsFamily: SLC 500 1747Type:...

    $150.00
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  • Allen-Bradley 1747-PCIC SLC 500 1747 Cable New Surplus
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    Allen-Bradley

    Allen-Bradley 1747-PCIC SLC 500 1747 Cable (New Surplus)

    About Allen-Bradley 1747-PCICAllen-Bradley 1747-PCIC is a dependable SLC 500 1747 cable for industrial automation systems. It’s a practical replacement choice when you need stable performance and compatibility.HighlightsFamily: SLC 500 1747Type:...

    $388.80
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  • Allen-Bradley 1747-L553 SLC 500 1747 Module New Surplus
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    Allen-Bradley 1747-L553 SLC 500 1747 Module (New Surplus)

    About Allen-Bradley 1747-L553Allen-Bradley 1747-L553 is a dependable SLC 500 1747 industrial automation component for industrial automation systems. It’s a practical replacement choice when you need stable performance and compatibility.HighlightsFamily:...

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  • Allen-Bradley 1747-L552 SLC 500 1747 Module New Surplus
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    Allen-Bradley 1747-L552 SLC 500 1747 Module (New Surplus)

    About Allen-Bradley 1747-L552Allen-Bradley 1747-L552 is a dependable SLC 500 1747 module for industrial automation systems. It’s a practical replacement choice when you need stable performance and compatibility.HighlightsFamily: SLC 500 1747Type:...

    $2,883.22
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  • Allen-Bradley 1747-L551 SLC 500 1747 Module New Surplus
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    Allen-Bradley 1747-L551 SLC 500 1747 Module (New Surplus)

    About Allen-Bradley 1747-L551Allen-Bradley 1747-L551 is a dependable SLC 500 1747 industrial automation component for industrial automation systems. It’s a practical replacement choice when you need stable performance and compatibility.HighlightsFamily:...

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