ABB OT125F4N2 4-pole 125 A front operated switch disconnector, Product ID 1SCA105051R1001, for industrial circuit isolation, control panels, machinery and low voltage power distribution applications.
£143.55
The ABB OT125F4N2 is a reliable and compact 4-pole switch disconnector designed for safe manual isolation of electrical circuits in industrial control panels, machinery and low voltage power distribution systems. As part of the proven ABB OT Series, it provides dependable switching performance for panel builders, OEMs and electrical engineers requiring secure circuit isolation.
This front operated, non-fusible switch disconnector is suitable for both base mounting and DIN rail mounting, giving installers flexibility when designing control cabinets and distribution assemblies. Its front protected clamp terminals, compact footprint and robust construction make it well suited to demanding industrial environments where safety, reliability and serviceability are essential.
With a 125 A current rating, 4-pole configuration and Product ID 1SCA105051R1001, the OT125F4N2 is ideal for three-phase systems requiring neutral isolation or additional pole switching. The operating handle and shaft are supplied separately, allowing the installation to be configured to suit the enclosure depth and panel layout.
Switch disconnectors such as the ABB OT125F4N2 provide a safe and dependable way to isolate electrical circuits during servicing, inspection and maintenance. By allowing the supply to be manually disconnected, they help protect personnel and equipment while supporting safe working procedures in industrial installations.
The OT125F4N2 is particularly useful where a 4-pole arrangement is required, such as three-phase systems that require neutral switching or additional pole isolation. Its compact format and flexible mounting options make it well suited to control panels, distribution boards and machinery where dependable isolation is essential.
| Current | 125 A |
|---|---|
| Phase | Three Phase |
| Manufacturer | ABB |
| Series | OT Switch Disconnectors |
| Model | OT125F4N2 |
| Product ID | 1SCA105051R1001 |
| EAN | 6417019391816 |
| Product type | Switch disconnector / non-fusible disconnect switch |
| Rated operational current | 125 A |
| Number of poles | 4 |
| Rated operational voltage | Up to 690 V AC |
| Rated insulation voltage | 750 V |
| Rated impulse withstand voltage | 8 kV |
| Operation | Front operated |
| Mounting type | Base mounting / DIN rail mountable |
| Terminal type | Front protected clamp terminals |
| Protection rating | IP20 |
| Standards | IEC 60947-3 / UL / CSA / VDE |
| Handle and shaft | Not included |
| Dimensions (H × W × D) | approx. 100 × 96.5 × 74 mm |
| Weight | approx. 0.49 kg |
| HS Code | 85365080 |
| Country of Manufacture | Finland |
The OT125F4N2 is used to safely isolate electrical circuits in industrial control panels, machinery, switchboards and low voltage power distribution systems.
The ABB OT125F4N2 has a 4-pole configuration, making it suitable for three-phase systems requiring neutral switching or additional pole isolation.
The OT125F4N2 has a rated operational current of 125 A.
Yes. The OT125F4N2 is suitable for base mounting and DIN rail mounting, providing flexibility for control panel and switchboard installations.
No. The operating handle and shaft are not included and should be selected separately to suit the enclosure depth and installation requirements.
ABB OT Series switch disconnectors are widely used by electrical engineers, OEM machine builders and panel manufacturers to provide safe isolation, reliable switching and compact installation in industrial low voltage power systems.
● 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.
● frequently asked questions
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.
We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products.
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.
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.
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.
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
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...