1SCA163539R1001 ABB OT63G1-4MSN2 Switch-disconnector OT Plus 63 A size G1 4-pole incl. handle
ABB OT63G1-4MSN2 63 A four-pole modular OT Plus switch disconnector with right-hand neutral, DIN rail and base mounting, built-in screw terminals and a padlockable direct-mounted handle.
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Why Choose the ABB OT63G1-4MSN2 Switch Disconnector?
The ABB OT63G1-4MSN2 (Part Number: 1SCA163539R1001) is a compact and dependable 4-pole switch disconnector from the advanced ABB OT Plus range. Designed for reliable switching and isolation of low voltage electrical circuits, it is ideal for industrial control panels, electrical distribution boards and OEM machinery requiring safe manual isolation. The OT63G1-4MSN2 features a modular design suitable for modern electrical installations.
Designed for panel builders and electrical contractors, this switch disconnector features a front-operated modular design suitable for base mounting and DIN rail mounting. It includes built-in screw terminals with protected IP20 front terminals and is supplied with a universal direct-mounted padlockable knob handle, allowing secure operation and helping to prevent unauthorised switching.
With a 63 A rated operational current, a 4-pole configuration with the neutral pole on the right (N2) and support for operating voltages up to 800 V AC, the OT63G1-4MSN2 is an excellent choice for industrial isolation, machine building and commercial power distribution applications.
Key Advantages
Compact 4-pole switch disconnector for industrial isolation.
63 A rated operational current.
Neutral pole positioned on the right (N2).
Suitable for base mounting and DIN rail mounting.
Supplied with a padlockable direct-mounted knob handle.
Built-in screw terminals with protected IP20 front access.
Reliable Four-Pole Isolation for Industrial Systems
The ABB OT63G1-4MSN2 is designed to safely isolate electrical circuits during maintenance, servicing and emergency shutdown procedures. Its four-pole configuration enables simultaneous isolation of three phase conductors and the neutral conductor, helping improve operational safety and simplify maintenance.
As part of the ABB OT Plus range, this switch disconnector combines compact dimensions with robust construction and long mechanical life. Its versatile mounting options make it suitable for industrial automation, electrical distribution equipment and machine building applications.
Typical Applications
Industrial control panels.
Electrical distribution boards.
Machine building and OEM equipment.
Motor isolation circuits.
Commercial electrical installations.
Manufacturing and processing facilities.
Technical Specifications
Current
63 A
Phase
Three Phase
Manufacturer
ABB
Series
OT Plus
Model
OT63G1-4MSN2
Manufacturer Part Number
1SCA163539R1001
EAN
6417019931500
Product type
Switch disconnector
Rated operational current
63 A
Maximum operational voltage
800 V AC
Number of poles
4
Neutral position
Right (N2)
Mounting type
Base mounting / DIN rail mounting
Operation
Front operated
Terminal type
Screw terminals
Protection rating
IP20 front terminals
Frame size
G1
Dimensions (H × W × D)
Approx. 68 × 46 × 74 mm
Weight
Approx. 0.17 kg
HS Code
85365080
Country of Manufacture
Finland
Frequently Asked Questions
What is the ABB OT63G1-4MSN2 used for?
It is designed for switching and safely isolating three-phase and neutral electrical circuits in industrial and commercial installations.
What is the current rating of this switch disconnector?
The ABB OT63G1-4MSN2 has a rated operational current of 63 A.
How many poles does the OT63G1-4MSN2 have?
This model features a 4-pole configuration with the neutral pole positioned on the right (N2).
Is an operating handle included?
Yes. The switch is supplied with a universal direct-mounted padlockable knob handle.
How can the OT63G1-4MSN2 be mounted?
The switch is suitable for both base mounting and DIN rail mounting, making it ideal for modern industrial control panels and switchboards.
Trusted by Electrical Professionals Worldwide
ABB OT Plus switch disconnectors are trusted by electrical engineers, panel builders and OEM manufacturers for dependable circuit isolation, robust construction and reliable performance in demanding industrial environments.
Current
63 A
Phase
Three Phase
Manufacturer
ABB
Series
OT Plus
Model
OT63G1-4MSN2
Manufacturer Part Number
1SCA163539R1001
EAN
6417019931500
Product type
Switch disconnector
Rated operational current
63 A
Maximum operational voltage
800 V AC
Number of poles
4
Neutral position
Right (N2)
Mounting type
Base mounting / DIN rail mounting
Operation
Front operated
Terminal type
Screw terminals
Protection rating
IP20 front terminals
Frame size
G1
Dimensions (H × W × D)
Approx. 68 × 46 × 74 mm
Weight
Approx. 0.17 kg
HS Code
85365080
Country of Manufacture
Finland
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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
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500 +
Stock lines ready to ship
1,000 +
Same day dispatches
3500 +
Customers supported
28
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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...