£384.50Original price was: £384.50.£269.15Current price is: £269.15.
Why Choose the MAS43-63A-4P Mild Steel Enclosed Switch Disconnector?
The MAS43-63A-4P is a heavy-duty mild steel enclosed switch disconnector designed to provide safe, reliable isolation of low-voltage electrical circuits in industrial, commercial and infrastructure applications. Featuring a premium ABB 4-pole switch disconnector, this assembly delivers dependable switching performance for three-phase electrical distribution systems.
The switch is housed within a robust powder-coated mild steel enclosure finished in RAL 7035, providing excellent mechanical protection and long service life. The enclosure includes a removable galvanised mounting plate, lower gland plate, earthing points and IP20 terminal shrouds, making installation straightforward while maintaining a high level of operator safety.
With a 63 A current rating, a 4-pole switched neutral configuration and suitability for 415–440 V AC systems, the MAS43-63A-4P is ideal for machinery isolation, commercial buildings, manufacturing facilities and industrial power distribution applications.
Key Advantages
Heavy-duty 63 A mild steel enclosed switch disconnector.
4-pole switched neutral configuration for complete circuit isolation.
IP66 enclosure suitable for demanding industrial environments.
Durable powder-coated mild steel construction.
Lockable IP65 pistol-grip rotary handle for safe maintenance.
Removable mounting plate simplifies installation and wiring.
Key Features
ABB 4-pole switch disconnector.
63 A rated operational current.
415–440 V AC operation.
4-pole switched neutral configuration.
Powder-coated mild steel enclosure.
IP66 enclosure with IP65 rotary handle.
Clamp connection terminals.
Removable galvanised mounting plate.
Lower gland plate and earthing points.
IP20 terminal shrouds and wall mounting brackets included.
Mounting plate: Removable galvanised steel backplate included
Gland plate: Bottom gland plate included
Mounting type: Wall mounting
Dimensions (H × W × D): 400 × 300 × 150 mm
Reliable Electrical Isolation
The MAS43-63A-4P provides dependable manual isolation of three-phase electrical supplies during maintenance, servicing and emergency shutdown procedures. The ABB switch disconnector delivers reliable switching performance while the robust steel enclosure protects the internal equipment from dust, water ingress and accidental mechanical damage.
Its compact yet spacious enclosure provides excellent cable access and termination space, making it suitable for both new installations and retrofit projects across industrial and commercial environments.
Typical Applications
Industrial power distribution.
Machinery isolation.
Commercial electrical installations.
Manufacturing facilities.
Building services.
Utilities and infrastructure projects.
Technical Specifications
Current
63 A
Phase
Three Phase
IP Rating
IP66
Frequently Asked Questions
What is the MAS43-63A-4P used for?
It is designed to safely isolate three-phase electrical circuits during maintenance, servicing and emergency shutdown procedures.
What is the current rating?
The MAS43-63A-4P has a rated operational current of 63 A.
Does this model switch the neutral conductor?
Yes. The 4-pole switched neutral configuration disconnects all three phases together with the neutral conductor.
Is the enclosure suitable for demanding environments?
Yes. The powder-coated mild steel enclosure is rated IP66, providing excellent protection against dust and water ingress.
What type of cable connections does this unit use?
The 63 A version uses clamp connection terminals for secure electrical cable termination.
Trusted by Electrical Professionals
ABB enclosed switch disconnectors housed in mild steel enclosures are widely specified by electrical contractors, panel builders and industrial engineers for dependable electrical isolation in commercial and industrial installations.
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Current
63 A
Phase
Three Phase
IP Rating
IP66
No documents available for this product.
Delivery
We offer fast UK delivery on all stocked items. Orders placed before 3pm Monday to Friday are eligible for next-day delivery.
Standard delivery: 2–3 working days
Next-day delivery: available on in-stock items when ordered before 3pm
Express options available — contact us for details
Returns
If you need to return an item, please contact our sales team within 30 days of receipt. Items must be returned unused in their original packaging.
Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.
Priority sourcing and supply support
Flexible payment terms for qualifying organisations
Support for engineering, maintenance, and operations
500 +
Stock lines ready to ship
1,000 +
Same day dispatches
3500 +
Customers supported
28
Trusted Manfacturers
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Common questions about our products and support
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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...