Industrial Serial Converters

Browse industrial serial converters designed to convert between serial standards such as RS-232, RS-422, and RS-485 across industrial and infrastructure applications. These products are used to solve interface mismatches between connected devices and to extend or adapt serial communications where the original interface is not the best fit for the installation. Industrial serial converter ranges commonly include RS-232 to RS-422/485 models, isolated converters, and converters built for DIN-rail or cabinet installation.

In practice, these are useful for control panels, factory automation, utilities, transport systems, and other environments where serial communications still play an important role. Some models also add features such as optical isolation, surge protection, or longer transmission distances to support more demanding installations.

Looking for the right converter? Our sales team is here to help you find the ideal fit for your application.

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Showing 28 of 28 Serial Converters items

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2 options available

Moxa TCC-120 Series

Industrial RS-422/485 Converter/Repeater

From £95.50 (exc. VAT)

4 options available

Moxa TCC-100 Series

Industrial RS-232 to RS-422/485 Converters

From £74.00 (exc. VAT)

8 options available

Moxa TCF-142 Series

RS-232/422/485 to Multi-Mode SC Fibre Converter

From £184.00 (exc. VAT)

2 options available

Moxa TCF-90 Series

RS-232 to Multi-Mode ST Fibre Converter

From £147.50 (exc. VAT)

Moxa TCC-82

Port-Powered RS-232 Isolator

£68.00 (exc. VAT)

4 options available

Moxa TCC-80 Series

Port-Powered RS-232 to RS-422/485 Converter: DB9 Port

From £40.50 (exc. VAT)

Moxa TCF-142-S-ST-RM

RS-232/422/485 to Single-Mode ST Fibre Slide-In Module Converter

£378.00 (exc. VAT)

Moxa TCF-142-S-SC-RM

RS-232/422/485 to Single-Mode SC Fibre Slide-In Module Converter

£378.00 (exc. VAT)

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Moxa TCF-142-M-ST-RM

RS-232/422/485 to Multi-Mode ST Fibre Slide-In Module Converter

£179.50 (exc. VAT)

Moxa TCF-142-M-SC-RM

RS-232/422/485 to Multi-Mode SC Fibre Slide-In Module Converter

£179.50 (exc. VAT)

4 options available

Moxa ICF-1280I Series

2 Port Isolated Industrial PROFIBUS to Multi-Mode ST Fibre Converter

From £730.50 (exc. VAT)

4 options available

Moxa ICF-1180I Series

1 Port Isolated Industrial PROFIBUS to Multi-Mode ST Fibre Converter

From £465.00 (exc. VAT)

2 options available

Moxa ICF-1170I Series

1 Port Isolated Industrial CANbus to Multi-Mode ST Fibre Converter

From £338.00 (exc. VAT)

8 options available

Moxa ICF-1150I-IEX Series

2 Port IECEx Isolated RS-232/422/485 to Multi-Mode ST Fibre Converter

From £391.50 (exc. VAT)

8 options available

Moxa ICF-1150I Series

2 Port Isolated RS-232/422/485 to Multi-Mode SC Fibre Converter

From £336.50 (exc. VAT)

8 options available

Moxa ICF-1150-IEX Series

2 Port IECEx RS-232/422/485 to Multi-Mode SC Fibre Converter

From £301.00 (exc. VAT)

8 options available

Moxa ICF-1150 Series

2 Port RS-232/422/485 to Multi-Mode SC Fibre Converter

From £259.50 (exc. VAT)

1 option available

Advantech ADAM-4542+ Series

Single-Mode Fibre Optic to RS-232/422/485 Converter

From £416.50 (exc. VAT)

1 option available

Advantech ADAM-4541 Series

Multi-Mode Fibre Optic to RS-232/422/485 Converter

From £195.00 (exc. VAT)

1 option available

Advantech ADAM-4521 Series

1 Port Addressable RS-422/485 to RS-232 Converter

From £165.00 (exc. VAT)

1 option available

Advantech ADAM-4520A Series

Robust RS-232 to RS-422/485 Isolated Serial Converter

From £74.00 (exc. VAT)

1 option available

Advantech ADAM-4520 Series

Isolated RS-232 to RS-422/485 Serial Converter

From £74.00 (exc. VAT)

2 options available

Dataforth DCP485 Series

1 Port DIN Rail Isolated RS-232 to RS-485 Converter

4 options available

Dataforth LDM85 Series

Serial to Fibre Optic Modem

2 options available

Dataforth LDM485 Series

1 Port Isolated RS-232 to RS-485 Converter

2 options available

Dataforth LDM422 Series

1 Port Isolated RS-232 to RS-422 Converter

4 options available

Moxa Transio A53 Series

1 Port Entry Level RS-232 to RS-422/485 2kV isolated Converter

From £73.50 (exc. VAT)

4 options available

Moxa Transio A52 Series

1 Port Entry Level RS-232 to RS-422/485 Converter

From £38.00 (exc. VAT)

Frequently Asked Questions

Learn More About Serial Converters

A serial converter changes one serial interface into another so that devices using different serial standards can communicate properly. A common example is converting RS-232 to RS-422 or RS-485, which helps avoid compatibility problems when two devices do not share the same interface type.

A serial converter is usually the right choice when the requirement is interface conversion on the serial side, such as RS-232 to RS-422/485, rather than putting the device onto an Ethernet network. If the goal is simply to make two serial interfaces work together, a converter is often the more direct and simpler option.

RS-232 is widely used, but it has more limited distance and networking capability than RS-422 or RS-485. Converting to RS-422 or RS-485 can help support longer cable runs and make the connection better suited to industrial environments where differential signalling is more practical. Some products in this category specifically support RS-232 extension up to around 1.2 km.

Not always, but it can be very useful in industrial environments. Isolated serial converters are designed to help protect connected equipment and can be a better choice where electrical noise, grounding issues, or harsher cabinet conditions are part of the installation. Many industrial models include optical isolation specifically for this reason.

The key things to check are the input and output serial standards, communication distance, baud rate, whether isolation is needed, connector style, mounting format, and power requirements. Some models are port-powered, while others use external power, so the right choice depends on both the interface conversion needed and the conditions of the installation.