Call Us Today 01706 242050
1SCA163430R1001 ABB OT25G1-4BQN2 Switch-disconnector OT Plus 25 A, size G1, 4-pole, incl. handle

1SCA163430R1001 ABB OT25G1-4BQN2 Switch-disconnector OT Plus 25 A, size G1, 4-pole, incl. handle

ABB OT25G1-4BQN2 four-pole OT Plus switch disconnector with 25 A rating, Quick-spring terminals and base or DIN rail mounting for industrial electrical isolation.

SKU: 1SCA163430R1001Alt SKU: OT25G1-4BQN2MPN: 1SCA163430R1001
Price
List Price £50.95 ex VAT
Your Price (ex VAT)
£50.95
Manufacturer Lead Time Estimated Delivery 9 weeks
Get the best trade prices Trade exclusive

Create a trade account to unlock exclusive pricing, special offers and more.

Sign up for a trade account Quick & easy setup
SUBTOTAL (EX VAT) £50.95
Trade pricing is personalised to your account

Manufacturer Lead Time

£50.95

Why Choose the ABB 1SCA163430R1001 OT Plus Switch Disconnector?

The ABB 1SCA163430R1001, also known as the OT25G1-4BQN2, is a compact and reliable four-pole switch disconnector designed for the safe manual isolation of low-voltage electrical circuits. Part of the proven ABB OT Plus switch disconnector range, it provides dependable switching performance for industrial control panels, OEM equipment and electrical distribution systems.

Designed for base mounting and DIN rail installation, this front-operated switch features Quick-spring terminal connections with finger-safe protection from the front. It is supplied without an external operating handle or shaft, allowing installers to choose compatible ABB accessories for their enclosure design.

With a 25 A rated operational current, a four-pole configuration and suitability for systems up to 800 V AC, the ABB OT25G1-4BQN2 is ideal for isolating three-phase systems with a switched neutral in demanding industrial applications.

Key Advantages

  • Compact four-pole switch disconnector for industrial electrical isolation.
  • 25 A rated operational current for dependable switching.
  • Suitable for base mounting and DIN rail installation.
  • Quick-spring terminals enable rapid, secure wiring.
  • Four-pole design allows switching of the neutral conductor.
  • Compatible with ABB external operating handles and shafts.
  • Ideal for industrial control panels, machinery and power distribution systems.

Key Features

  • ABB OT Plus switch disconnector series.
  • Model: OT25G1-4BQN2.
  • Product code: 1SCA163430R1001.
  • 25 A rated operational current.
  • Four-pole construction.
  • Base mounted and DIN rail mountable.
  • Front-operated switching mechanism.
  • Quick-spring terminal connections.
  • External operating handle and shaft compatible.

Reliable Four-Pole Isolation for Industrial Applications

Four-pole switch disconnectors are commonly used where the neutral conductor must also be isolated, helping improve safety during maintenance and ensuring complete electrical isolation in three-phase systems.

The ABB OT25G1-4BQN2 combines ABB's proven OT Plus switching technology with a compact footprint, robust mechanical design and Quick-spring terminals for faster installation and long-term reliability in demanding industrial environments.

Typical Applications

  • Industrial control panels.
  • Three-phase electrical distribution systems.
  • Machine isolation switches.
  • OEM machinery.
  • Industrial automation equipment.
  • Applications requiring switched neutral isolation.

Technical Specifications

Tick the specs you need, then view products that match.

Mounting Type DIN rail
Product Series ABB OT Plus
Device Type Accessory
Supply Type AC
Current 25 A
Phase Three Phase
Manufacturer ABB
Series OT Plus Switch Disconnectors
Model OT25G1-4BQN2
Order code 1SCA163430R1001
EAN 6417019931098
Product type Switch disconnector
Rated operational current 25 A
Rated operational voltage Up to 800 V AC
Rated insulation voltage (Ui) 800 V
Number of poles 4
Mounting type Base mounting / DIN rail mounting
Terminal type Quick-spring terminals
Protection rating IP20 from the front
Operating handle External operating handle and shaft required (not included)
Frame size G1
Main switch function Yes
HS Code 85365080
Country of Manufacture Finland
Poles 4-pole

Frequently Asked Questions

What is the ABB 1SCA163430R1001 used for?

It provides safe manual isolation of three-phase electrical circuits with switched neutral, making it ideal for industrial machinery, control panels and power distribution systems.

How many poles does this switch disconnector have?

The ABB OT25G1-4BQN2 features a four-pole configuration, allowing isolation of all phase conductors and the neutral.

What is the rated operational current?

The switch disconnector has a 25 A rated operational current.

Does this model include an operating handle?

No. This version is supplied without an operating handle, allowing a compatible ABB external handle and shaft to be selected separately.

Can this switch be DIN rail mounted?

Yes. The ABB OT25G1-4BQN2 is suitable for both base mounting and DIN rail installation.

Trusted by Industrial Professionals Worldwide

ABB OT Plus switch disconnectors are trusted by electrical engineers, panel builders and OEM manufacturers worldwide for dependable electrical isolation, compact installation and long service life in demanding industrial environments.

● Service Agreements

Credit Accounts

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.

● latest blog

Discover  our latest insights and
expert advice

From a Simple Idea to Small Business of the Year: The LED Controls Story So Far…

From a Simple Idea to Small Business of the Year: The LED Controls Story So Far…

by | Aug 11, 2026 |

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.

LED Controls: Danfoss Drives Authorised Partner

LED Controls: Danfoss Drives Authorised Partner

by | Jan 17, 2026 |

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...

LED Controls: Your Complete Control Panel Solution

LED Controls: Your Complete Control Panel Solution

by | Jan 17, 2026 |

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...