Accessories

Automation and control systems rely on a wide range of accessories to support installation, integration, and long-term reliability. From DIN rails and industrial brackets to grounding resistors and sensing equipment, these components play a crucial role in ensuring safe and efficient operation.

Online Components offers over 750 automation and control accessories from more than 25 trusted suppliers, including Phoenix Contact, Omron, IDEC, Littelfuse, and Eaton. With in-stock availability, competitive pricing, and same-day shipping from our U.S. warehouse, you can source the parts you need to keep projects on schedule.

How to Choose the Right Automation & Control Accessories

System Compatibility

Match DIN rail profiles, mounting hardware, and enclosure fittings to the dimensions and layout of your panel or rack. Ensuring compatibility upfront reduces installation time and prevents costly rework.

Functionality

Determine whether your application requires grounding, sensing, protection, or mechanical support accessories. The right choice helps extend system life and maintain safe, stable performance across automation hardware.

Environment & Standards

Select components with ratings for temperature, vibration, or ingress protection (IP) to withstand harsh or outdoor environments. Confirm compliance with industry standards to ensure long-term reliability and regulatory approval.

Popular Applications for Automation & Control Accessories

• Control Panels: DIN rails, brackets, and hardware for mounting relays, PLCs, and terminal blocks.
• Safety & Protection: Neutral-grounding resistors, leakage detection bands, and protective housings.
• Factory Automation: Mechanical supports, sensors, and wiring accessories for robotic systems and conveyors.
• Energy & Power Distribution: Accessories for switchgear, distribution panels, and load centers.
• Industrial Equipment: General-use hardware and support parts to keep machinery running smoothly.

Why Buy Automation & Control Accessories from Online Components?

• Authorized Distributor Since 1999: Genuine, traceable supply from trusted global manufacturers.
• Wide Selection: 750+ SKUs including DIN rails, sensing bands, grounding resistors, and more.
• Speedy Fulfillment: Same-day U.S. shipping plus flat-rate global delivery options.
• Exceptional Pricing: Screen pricing and low MOQs for prototyping through full-scale production.
• Streamlined Procurement: Advanced filters and search tools make it easy to find the exact accessory you need.

Automation & Control Accessories: FAQs

What are the most common accessories used in control panels?

DIN rails, terminal blocks, and mounting hardware are standard components in almost every control cabinet, used for organizing and securing components.

How do I choose the right DIN rail?

Match the rail profile (such as top-hat or C-section) to your equipment, and verify the load capacity and material (steel, aluminum, or zinc-plated) for durability in your specific environment.

What role do grounding and resistor modules play?

They protect systems against overvoltage, leakage currents, and grounding faults, helping to ensure safety and regulatory compliance.

Can accessories impact long-term system reliability?

Yes. Choosing accessories rated for vibration, temperature extremes, or moisture can significantly extend the life of your automation hardware.