ABB 1SFA611103R2105 MP4-21W maintained white illuminated pushbutton operator with an extended actuator and chrome-effect plastic bezel for standard 22 mm control-panel mounting.
£132.30
The ABB 1SFA611103R2105, product designation MP4-21W, is a durable maintained illuminated pushbutton operator designed for industrial machinery, automation panels and electrical control systems. As part of the ABB modular plastic pilot device range, it combines dependable manual control with clear visual indication.
This pushbutton features an extended white actuator that remains in its selected position after operation. Its maintained action makes it suitable for commands that need to remain active until deliberately changed, while the illuminated design enables clear equipment or process-status indication when assembled with a compatible LED block.
Designed for standard 22 mm panel mounting, the MP4-21W has a chrome-effect plastic bezel and modular construction. It is supplied without a contact block, allowing the required holder, switching contacts and illumination block to be selected separately for the application.
Maintained pushbuttons remain in their operated state after being pressed, making them suitable for functions that must remain selected without continuous pressure. The illuminated white actuator can also provide a clear visual indication of an equipment condition, active command or process status.
The ABB modular pilot device system allows the MP4-21W to be combined with separately selected holders, contact blocks and LED blocks. This flexible arrangement enables panel builders to create the required switching and illumination configuration while maintaining a consistent operator interface.
| Manufacturer | ABB |
|---|---|
| Series | Modular Plastic Pilot Devices |
| Model | MP4-21W |
| Order code | 1SFA611103R2105 |
| Product type | Maintained illuminated pushbutton operator |
| Operating action | Maintained |
| Actuator style | Extended |
| Actuator colour | White |
| Illumination | Illuminated operator |
| Bezel material and finish | Chrome-effect plastic |
| Mounting diameter | 22 mm |
| Mechanical durability | 2 million operations |
| Operating temperature | -25 to +70 °C |
| Storage temperature | -40 to +85 °C |
| Contact block | Not included |
| Weight | 0.016 kg |
The MP4-21W provides maintained manual control and visual indication for machinery, automation equipment and industrial electrical systems.
The MP4-21W has a maintained operating action, meaning it remains in its selected position after operation.
The pushbutton has an extended white illuminated actuator with a chrome-effect plastic bezel.
No. The MP4-21W is supplied without a contact block, allowing the required compatible ABB contact arrangement to be selected separately.
The pushbutton operator is designed for installation in a standard 22 mm panel opening.
ABB modular pilot devices provide dependable manual control, clear visual indication and flexible configuration for industrial machinery and automation panels.{ "@context": "https://schema.org/", "@type": "Product", "name": "ABB MP4-21W Maintained White Illuminated Pushbutton 22 mm", "sku": "1SFA611103R2105", "mpn": "1SFA611103R2105", "brand": { "@type": "Brand", "name": "ABB" }, "category": "Industrial Pushbuttons", "description": "ABB 1SFA611103R2105 MP4-21W maintained white illuminated pushbutton operator with an extended actuator and chrome-effect plastic bezel for standard 22 mm control-panel mounting.", "additionalProperty": [ { "@type": "PropertyValue", "name": "Operating action", "value": "Maintained" }, { "@type": "PropertyValue", "name": "Actuator style", "value": "Extended" }, { "@type": "PropertyValue", "name": "Actuator colour", "value": "White" }, { "@type": "PropertyValue", "name": "Mounting diameter", "value": "22 mm" }, { "@type": "PropertyValue", "name": "Contact block", "value": "Not included" } ] } { "@context": "https://schema.org", "@type": "FAQPage", "inLanguage": "en-GB", "mainEntity": [ { "@type": "Question", "name": "What is the ABB MP4-21W used for?", "acceptedAnswer": { "@type": "Answer", "text": "The MP4-21W provides maintained manual control and visual indication for machinery, automation equipment and industrial electrical systems." } }, { "@type": "Question", "name": "Is the MP4-21W momentary or maintained?", "acceptedAnswer": { "@type": "Answer", "text": "The MP4-21W has a maintained operating action, meaning it remains in its selected position after operation." } }, { "@type": "Question", "name": "What colour is the MP4-21W actuator?", "acceptedAnswer": { "@type": "Answer", "text": "The pushbutton has an extended white illuminated actuator with a chrome-effect plastic bezel." } }, { "@type": "Question", "name": "Does the ABB 1SFA611103R2105 include a contact block?", "acceptedAnswer": { "@type": "Answer", "text": "No. The MP4-21W is supplied without a contact block, allowing the required compatible ABB contact arrangement to be selected separately." } }, { "@type": "Question", "name": "What mounting size does the MP4-21W require?", "acceptedAnswer": { "@type": "Answer", "text": "The pushbutton operator is designed for installation in a standard 22 mm panel opening." } } ] }
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...