ABB OT40F8 8 pole 40 A front operated switch disconnector for base or DIN rail mounting with protected clamp terminals for industrial isolation applications.
£114.33
The ABB OT40F8 is a compact and dependable 8-pole switch disconnector designed for safe electrical isolation in industrial control panels, machinery and low voltage distribution systems. As part of the trusted ABB OT switch disconnector range, it provides reliable manual switching for non-fusible disconnect applications.
Designed for front operation, the OT40F8 supports both base mounting and DIN rail installation, making it a practical choice for panel builders, OEM machine manufacturers and electrical engineers. Its protected clamp terminals provide secure wiring, while the compact construction helps maximise available enclosure space.
With a rated operational current of 40 A and an 8-pole configuration, the OT40F8 is ideal for isolating multiple conductors in machinery, switchboards, motor control centres and automation systems. The operating handle and shaft are supplied separately, allowing the correct accessories to be selected for each installation.
Switch disconnectors such as the ABB OT40F8 are used to isolate electrical circuits safely during maintenance, servicing and commissioning. They provide a clear mechanical switching function, helping improve safety and control within industrial electrical installations.
The OT40F8 is particularly suited to panel building and machinery applications where compact size, reliable operation and flexible mounting are required. Its 8-pole configuration makes it suitable for applications requiring simultaneous isolation of multiple conductors.
| Current | 40 A |
|---|---|
| Manufacturer | ABB |
| Series | OT Switch Disconnectors |
| Model | OT40F8 |
| Product ID | 1SCA104938R1001 |
| EAN | 6417019390789 |
| Product type | Switch disconnector / non-fusible disconnect switch |
| Number of poles | 8 pole |
| Rated operational current | 40 A |
| Rated operational voltage | Up to 750 V AC |
| Rated insulation voltage | 750 V |
| Rated impulse withstand voltage | 8 kV |
| Conventional thermal current | 40 A |
| Operation | Front operated |
| Mounting type | Base mounted / DIN rail mountable |
| Terminal type | Protected clamp terminals |
| Protection rating | IP20 |
| Dimensions (H × W × D) | approx. 68 × 96 × 68 mm |
| Weight | approx. 0.27 kg |
| HS Code | 85365080 |
| Country of Manufacture | Finland |
The ABB OT40F8 is used to safely isolate multiple electrical conductors in industrial control panels, machinery and low voltage distribution systems.
The OT40F8 is an 8-pole switch disconnector, making it suitable for multi-pole isolation applications.
The ABB OT40F8 has a rated operational current of 40 A.
Yes, the OT40F8 is suitable for both base mounting and DIN rail mounting.
No, the handle and shaft are supplied separately so they can be selected to suit the enclosure and installation requirements.
ABB OT switch disconnectors are trusted by panel builders, OEM machine manufacturers and electrical engineers worldwide for dependable circuit isolation, compact installation and long-term reliability.
● 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...