Where to Buy Industrial Automation Spare Parts?

Finding the right industrial automation spare parts can be challenging, especially when a production machine is already running and a critical PLC, HMI, VFD, or other automation component suddenly needs to be replaced.

For maintenance engineers, procurement managers, machine builders, and system integrators, the most important questions are often simple:

Where can I find the correct part? Is it available? How quickly can it be delivered? And how can I make sure I am purchasing the right component?

This guide explains what to consider when choosing an industrial automation spare parts supplier and how to source PLCs, HMIs, VFDs, and other automation components efficiently.

What Are Industrial Automation Spare Parts?

Industrial automation spare parts are components used to maintain, repair, upgrade, or replace equipment in industrial automation systems.

Common examples include:

• PLCs and CPU modules
• I/O modules
• HMI panels
• VFDs and variable frequency drives
• Servo drives
• Servo motors
• Industrial power supplies
• Communication modules
• Sensors
• Industrial cables
• Control components
• Automation software and accessories

Brands commonly used in industrial automation include Siemens, Schneider Electric, ABB, Allen-Bradley, Omron, Mitsubishi, Keyence, and Lenze.

Where Can You Buy Industrial Automation Spare Parts?

There are several ways to source automation spare parts.

1. Local Automation Distributors

Local distributors can be convenient when you need technical support or fast access to commonly used products.

However, local availability may be limited for older, discontinued, or less common models.

2. Authorized Distribution Channels

For new automation equipment, authorized channels can be an appropriate option, particularly when a project requires specific manufacturer support or documentation.

However, buyers may still need alternative sourcing options when a particular component has limited availability or has been discontinued.

3. Specialized Industrial Automation Suppliers

A specialized industrial automation spare parts supplier can be useful when you need to source multiple brands or difficult-to-find components from one supplier.

This can be particularly helpful for companies purchasing:

• Siemens PLCs
• Schneider PLCs
• ABB drives
• Allen-Bradley PLCs
• Omron automation components
• Mitsubishi PLCs
• HMI panels
• VFDs
• Obsolete or discontinued automation parts

Instead of contacting multiple suppliers for different components, buyers can consolidate their sourcing requirements.

How to Choose a Reliable Industrial Automation Parts Supplier?

Choosing the right supplier is important because the wrong component can cause additional downtime, installation problems, or unnecessary procurement costs.

Before placing an order, consider the following factors.

1. Product Identification

Always confirm the exact part number or model number before purchasing.

For example, a PLC family may contain multiple CPUs, communication versions, memory configurations, and hardware revisions.

The product name alone may not be enough.

2. Product Availability

Ask the supplier whether the exact model is currently available.

This is especially important when looking for:

• discontinued PLCs
• obsolete HMI panels
• older VFDs
• replacement modules
• difficult-to-source automation components

3. Product Condition

Clarify whether the product is:

• New
• Used
• Refurbished

If your application requires new equipment, clearly specify this when requesting a quotation.

4. Delivery Time

For production equipment, delivery time can be critical.

Before ordering, ask:

Is the product in stock?

When can it be shipped?

What is the estimated delivery time to my country?

A supplier with international shipping experience can help simplify the sourcing process.

5. Warranty and After-Sales Support

Ask what warranty is provided and what support is available if there is a problem with the product.

A clear warranty policy can make international purchasing easier for companies that are sourcing automation parts from overseas.

How to Find a Replacement for an Obsolete PLC?

One of the most common challenges in industrial automation is finding a replacement for an obsolete or discontinued PLC.

If the original PLC is no longer available, do not immediately purchase a similar-looking model.

First, collect the following information:

• Manufacturer
• Product family
• Complete part number
• CPU model
• Hardware version
• Communication interface
• I/O configuration
• Power requirements
• Existing software
• Product photos

Then compare the original component with potential replacement options.

For some applications, the best solution may be an identical replacement. In other cases, a newer compatible PLC or a system upgrade may be more appropriate.

What Information Do You Need to Request a PLC Quotation?

If you are contacting an industrial automation parts supplier, providing complete product information can make the quotation process much faster.

Ideally, provide:

Product Part Number

For example:

Siemens 6ES7...

Product Description

For example:

Siemens SIMATIC S7 PLC CPU

Quantity

For example:

2 pcs

Product Photo

A clear photo of the product label can help identify the correct model.

Delivery Location

For example:

Italy

Providing these details allows the supplier to check the correct product and prepare a more accurate quotation.

Why Do Companies Source Automation Spare Parts Internationally?

Companies may purchase automation components internationally for several reasons.

Wider Product Availability

International suppliers may have access to a wider range of brands, models, and older automation components.

Multiple Brands

Companies using different automation platforms may prefer a supplier that can source several major brands.

Difficult-to-Find Components

International sourcing can be particularly useful for obsolete or difficult-to-find automation parts.

One-Stop Procurement

Instead of contacting several suppliers for PLCs, HMIs, drives, and other components, buyers can consolidate their requirements with one specialized supplier.

What Industrial Automation Parts Can You Source from Ben Automation?

Ben Automation supplies industrial automation components for customers worldwide.

Our product range includes:

• PLC
• HMI
• VFD / Variable Frequency Drive
• Servo Drive
• I/O Modules
• Industrial Power Supply
• Communication Modules
• Sensors
• Industrial Cables
• Automation Accessories

We work with major industrial automation brands including:

Siemens, Schneider Electric, ABB, Allen-Bradley, Omron, Mitsubishi, Keyence, Lenze and more.

Our customers include:

• Industrial automation distributors
• System integrators
• Maintenance engineers
• Procurement teams
• Machine builders
• Factory operators
• Automation dealers

Need Help Finding an Industrial Automation Spare Part?

If you already know the part number, you do not need to spend hours searching for the exact component.

Send us:

Product part number + quantity + product photo (if available) + destination

Our team can check the sourcing options and provide a quotation.

Request a Quote from Ben Automation

Looking for a PLC, HMI, VFD or other industrial automation spare part?

Send us your part number today.

Frequently Asked Questions

Where can I buy industrial automation spare parts?

You can purchase industrial automation spare parts from local distributors, authorized channels, specialized automation suppliers, and international suppliers. The best option depends on product availability, condition, delivery time, and your application requirements.

Where can I buy Siemens PLC spare parts?

Siemens PLC spare parts can be sourced through authorized channels and specialized industrial automation suppliers. For older or difficult-to-find Siemens PLCs, an international automation parts supplier may provide additional sourcing options.

How do I find an obsolete PLC replacement?

Start by identifying the complete manufacturer part number, PLC family, CPU model, communication interface, and hardware configuration. Then compare the original part with available replacement or upgrade options.

What information should I provide when requesting a PLC quotation?

The most useful information includes the manufacturer, complete part number, product description, quantity, product photo, and delivery destination.

Can I buy industrial automation spare parts from overseas?

Yes. Many industrial automation components are sourced internationally. Before ordering, confirm the exact part number, product condition, availability, warranty, shipping method, and estimated delivery time.

How can I find difficult-to-source automation parts?

Search for the exact part number together with terms such as “spare part,” “supplier,” “replacement,” “obsolete,” “discontinued,” or “industrial automation supplier.” You can also contact a specialized automation parts supplier directly with the product number or photo.