Why Choose the ABB OT63G1-3MS Switch Disconnector?
The ABB OT63G1-3MS (Part Number: 1SCA163528R1001) is a compact and reliable 3-pole switch disconnector from the advanced ABB OT Plus range. Designed for safe switching and isolation of low voltage electrical circuits, it is ideal for industrial control panels, machinery and commercial electrical installations requiring dependable manual isolation.
Engineered for panel builders and OEM manufacturers, the OT63G1-3MS features a modular, front-operated design suitable for base and DIN rail mounting. It incorporates built-in screw terminals and is supplied with a universal direct-mounted, padlockable knob handle for secure and convenient operation.
With a rated operational current of 63 A, a 3-pole configuration and support for voltages up to 800 V AC, the OT63G1-3MS provides a robust solution for motor isolation, power distribution and industrial switching applications where safety and reliability are essential.
Key Advantages
Compact 3-pole switch disconnector for industrial isolation.
63 A rated operational current for demanding applications.
Suitable for base and DIN rail mounting.
Supplied with a padlockable direct-mounted knob handle.
Protected IP20 front terminals improve installation safety.
Reliable ABB engineering ensures long service life.
Suitable for 45 mm DIN panel cut-out installations.
Reliable Circuit Isolation for Industrial Applications
The ABB OT63G1-3MS is designed to provide safe manual isolation of electrical circuits during maintenance and servicing. Its durable switching mechanism delivers dependable operation while helping protect personnel and equipment throughout the lifetime of the installation.
The modular OT Plus range combines compact dimensions with ABB's proven engineering expertise, making these switch disconnectors ideal for electrical control panels, switchboards and industrial machinery where reliability and ease of installation are essential.
Typical Applications
Industrial control panels.
Machine building and OEM equipment.
Motor isolation circuits.
Electrical distribution boards.
Manufacturing and processing plants.
Commercial and industrial electrical systems.
Technical Specifications
Current
63 A
Phase
Three Phase
Manufacturer
ABB
Series
OT Plus
Model
OT63G1-3MS
Manufacturer Part Number
1SCA163528R1001
EAN
6417019931463
Product type
Switch disconnector
Rated operational current
63 A
Maximum operational voltage
800 V AC
Number of poles
3
Mounting type
Base mounting / DIN rail mounting
Operation
Front operated
Terminal type
Built-in screw terminals
Protection rating
IP20 (front terminals)
Weight
Approx. 0.15 kg
HS Code
85365080
Country of Manufacture
Finland
Frequently Asked Questions
What is the ABB OT63G1-3MS used for?
It is used for safely switching and isolating low voltage electrical circuits in industrial machinery, control panels and electrical distribution systems.
What is the current rating of this switch disconnector?
The ABB OT63G1-3MS has a rated operational current of 63 A.
What mounting options are available?
The switch is suitable for both base mounting and DIN rail mounting, making it suitable for a wide range of panel designs.
Is an operating handle supplied?
Yes. The OT63G1-3MS is supplied with a universal direct-mounted padlockable knob handle.
What voltage can the OT63G1-3MS operate at?
The switch disconnector is suitable for applications with operating voltages up to 800 V AC.
Trusted by Electrical Professionals Worldwide
ABB OT Plus switch disconnectors are trusted by panel builders, machine manufacturers and industrial engineers for dependable circuit isolation, durable construction and reliable performance in demanding electrical installations.
Current
63 A
Phase
Three Phase
Manufacturer
ABB
Series
OT Plus
Model
OT63G1-3MS
Manufacturer Part Number
1SCA163528R1001
EAN
6417019931463
Product type
Switch disconnector
Rated operational current
63 A
Maximum operational voltage
800 V AC
Number of poles
3
Mounting type
Base mounting / DIN rail mounting
Operation
Front operated
Terminal type
Built-in screw terminals
Protection rating
IP20 (front terminals)
Weight
Approx. 0.15 kg
HS Code
85365080
Country of Manufacture
Finland
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
● frequently asked questions
Common questions about our products and support
At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.
What product ranges do you supply
We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products.
Can you help specify the correct part?
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Do you have stock for urgent orders?
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
What are your delivery times and costs?
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
What about warranties, returns and faulty items?
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
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...