Original price was: £464.60.£325.22Current price is: £325.22.
The MAS54-100A-4P is a heavy-duty mild steel enclosed switch disconnector designed to provide safe and dependable isolation of low-voltage electrical circuits in industrial, commercial and infrastructure applications. Featuring a premium ABB 4-pole switch disconnector, the unit delivers reliable switching performance for demanding three-phase power distribution systems.
The switchgear is housed within a durable powder-coated mild steel enclosure finished in RAL 7035, providing excellent protection against mechanical damage, dust and water ingress. The enclosure includes a removable galvanised backplate, lower gland plate, earthing points and IP20 terminal shrouds, ensuring simple installation while maintaining excellent operator safety.
With a rated operational current of 100 A, a 4-pole switched neutral configuration and suitability for 415–440 V AC systems, the MAS54-100A-4P is ideal for industrial machinery, manufacturing facilities, commercial buildings, utilities and infrastructure projects requiring dependable electrical isolation.
The MAS54-100A-4P provides safe manual isolation of three-phase electrical supplies during maintenance, servicing and emergency shutdown procedures. The ABB switch disconnector delivers dependable switching performance while the heavy-duty steel enclosure protects internal equipment from harsh industrial environments.
Purpose-built for manufacturing facilities, commercial buildings, utilities and infrastructure projects, the enclosure provides generous wiring space and easy access for cable termination, making installation faster while maintaining a professional finish.
| Current | 100 A |
|---|---|
| Phase | Three Phase |
| IP Rating | IP66 |
It is designed to safely isolate three-phase electrical circuits during maintenance, servicing and emergency shutdown procedures.
The MAS54-100A-4P has a rated operational current of 100 A.
Yes. The 4-pole switched neutral configuration disconnects all three phases together with the neutral conductor.
Yes. The powder-coated mild steel enclosure is rated IP66 and provides excellent protection against dust and water ingress.
The 100 A version uses clamp connection terminals for secure conductor termination.
ABB enclosed switch disconnectors housed in powder-coated mild steel enclosures are widely specified by electrical contractors, industrial engineers and panel builders for dependable electrical isolation in demanding commercial and industrial installations.{ "@context": "https://schema.org/", "@type": "Product", "name": "MAS54-100A-4P Mild Steel Enclosed 100A Switch Disconnector 4 Pole", "sku": "MAS54-100A-4P", "mpn": "MAS54-100A-4P", "brand": { "@type": "Brand", "name": "MAS" }, "category": "Switch Disconnectors", "description": "MAS54-100A-4P mild steel enclosed 100 A four-pole switched neutral ABB switch disconnector with an IP66 enclosure for industrial and commercial electrical isolation.", "additionalProperty": [ { "@type": "PropertyValue", "name": "Rated current", "value": "100 A" }, { "@type": "PropertyValue", "name": "Rated voltage", "value": "415–440 V AC" }, { "@type": "PropertyValue", "name": "Number of poles", "value": "4 Pole" }, { "@type": "PropertyValue", "name": "Protection rating", "value": "IP66" }, { "@type": "PropertyValue", "name": "Terminal connection", "value": "Clamp connection" }, { "@type": "PropertyValue", "name": "Enclosure material", "value": "Powder-coated mild steel" } ] } { "@context": "https://schema.org", "@type": "FAQPage", "inLanguage": "en-GB", "mainEntity": [ { "@type": "Question", "name": "What is the MAS54-100A-4P used for?", "acceptedAnswer": { "@type": "Answer", "text": "It is designed to safely isolate three-phase electrical circuits during maintenance, servicing and emergency shutdown procedures." } }, { "@type": "Question", "name": "What is the current rating?", "acceptedAnswer": { "@type": "Answer", "text": "The MAS54-100A-4P has a rated operational current of 100 A." } }, { "@type": "Question", "name": "Does this switch isolate the neutral conductor?", "acceptedAnswer": { "@type": "Answer", "text": "Yes. The 4-pole switched neutral configuration disconnects all three phases together with the neutral conductor." } }, { "@type": "Question", "name": "Is the enclosure suitable for demanding industrial environments?", "acceptedAnswer": { "@type": "Answer", "text": "Yes. The powder-coated mild steel enclosure is rated IP66 and provides excellent protection against dust and water ingress." } }, { "@type": "Question", "name": "What type of cable terminals are fitted?", "acceptedAnswer": { "@type": "Answer", "text": "The 100 A version uses clamp connection terminals for secure conductor termination." } } ] }
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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...