ABB OT40F4N2 4 pole 40 A front operated switch disconnector for base or DIN rail mounting with protected clamp terminals for industrial isolation applications.
£38.33
The ABB OT40F4N2 is a compact and dependable 4-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 OT40F4N2 supports both base mounting and DIN rail installation, making it ideal for panel builders, OEM machine manufacturers and electrical engineers. Its protected clamp terminals ensure secure wiring, while the compact construction maximises valuable enclosure space. The operating handle and shaft are supplied separately, allowing the installation to be customised for the enclosure.
With a rated operational current of 40 A and a 4-pole configuration, the OT40F4N2 is ideal for isolating three-phase plus neutral circuits in industrial machinery, switchboards, motor control centres and automation systems. The fourth pole is switched simultaneously, making it suitable for applications requiring neutral isolation.
The ABB OT40F4N2 provides dependable manual isolation for industrial electrical installations, allowing equipment to be safely disconnected during maintenance, servicing and commissioning. Its quick-make, quick-break mechanism delivers reliable switching performance while helping protect personnel and equipment.
Its compact design and flexible mounting options make the OT40F4N2 suitable for a wide variety of industrial control applications where dependable isolation, three-phase plus neutral switching and long service life are essential.
| Current | 40 A |
|---|---|
| Phase | Three Phase |
| Manufacturer | ABB |
| Series | OT Switch Disconnectors |
| Model | OT40F4N2 |
| Product ID | 1SCA104932R1001 |
| EAN | 6417019390727 |
| Product type | Switch disconnector / non-fusible disconnect switch |
| Number of poles | 4 pole |
| Rated operational current | 40 A |
| Rated operational voltage | 750 V AC |
| Rated insulation voltage | 750 V |
| Rated impulse withstand voltage | 8 kV |
| Conventional thermal current | 40 A |
| Fourth pole | Switched, simultaneous function |
| Operation | Front operated |
| Mounting type | Base mounted / DIN rail mountable |
| Terminal type | Screw terminals with protected clamps |
| Protection rating | IP20 |
| Dimensions (H × W × D) | 68 × 48 × 56 mm |
| Weight | approx. 0.125 kg |
| HS Code | 85365080 |
| Country of Manufacture | Finland |
The ABB OT40F4N2 is used to safely isolate three-phase plus neutral electrical circuits in industrial machinery, control panels and low voltage distribution systems.
The ABB OT40F4N2 has a rated operational current of 40 A.
Yes. The OT40F4N2 is suitable for both base mounting and DIN rail mounting.
No. The operating handle and shaft are supplied separately to suit different enclosure configurations.
The fourth pole is switched simultaneously, making the OT40F4N2 suitable for applications requiring three-phase plus neutral isolation.
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.
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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...