ABB OT16F3 3-pole 16 A switch disconnector with DIN rail and base mounting options for industrial electrical isolation.
£24.54
The ABB OT16F3 is a compact and highly reliable 3-pole switch disconnector designed for the safe isolation and switching of low-voltage electrical circuits. As part of the proven ABB OT Series, it provides dependable manual isolation for industrial control panels, machinery, switchboards and power distribution systems where safety and reliability are essential.
The OT16F3 features a front-operated, base-mounted design and can also be DIN rail mounted, making it suitable for a wide range of panel building applications. Protected clamp terminals provide secure cable connections, while the modular construction simplifies installation and allows the switch to be configured with compatible handles and shafts sold separately.
With a 16 A operational current, 3-pole configuration and support for voltages up to 750 V AC, the ABB OT16F3 is ideal for motor isolation, machinery disconnecting and general-purpose switching duties in commercial and industrial electrical installations. The operating handle and shaft are supplied separately, allowing flexibility for enclosure-mounted installations.
Switch disconnectors provide a safe and visible means of isolating electrical equipment during maintenance, servicing and emergency shutdown procedures. The ABB OT Series has been designed to deliver long service life, low power loss and dependable switching performance across a wide range of industrial applications.
The ABB OT16F3 is suitable for motor isolation, machinery disconnecting, control panels, OEM equipment and low-voltage power distribution. Its compact dimensions and flexible mounting options make it an excellent choice where installation space is limited while maintaining compliance with international switching standards.
| Current | 16 A |
|---|---|
| Phase | Three Phase |
| Manufacturer | ABB |
| Series | OT Series |
| Model | OT16F3 |
| Product ID | 1SCA104811R1001 |
| Product type | Switch disconnector |
| Number of poles | 3 |
| Rated operational current (AC-21A) | 16 A |
| Rated operational current (AC-22A) | 16 A |
| Rated operational current (AC-23A) | 10 A at 690 V AC |
| Rated operational voltage | Up to 750 V AC |
| Rated insulation voltage (Ui) | 750 V |
| Rated impulse withstand voltage (Uimp) | 8 kV |
| Thermal current (Ith) | 25 A |
| Protection rating | IP20 |
| Mounting type | Base or 35 mm DIN rail mounting |
| Dimensions (H × W × D) | approx. 68 × 35 × 56 mm |
| Weight | approx. 0.09 kg |
| HS Code | 85365080 |
| Country of Manufacture | Finland |
The ABB OT16F3 is used to safely isolate and switch three-phase low-voltage electrical circuits in industrial and commercial installations.
No. The operating handle and shaft are supplied separately, allowing the switch to be configured for different enclosure designs.
Yes. The switch supports both base mounting and 35 mm DIN rail mounting.
The switch has a rated operational current of 16 A under AC-21A and AC-22A utilisation categories.
It is suitable for motor isolation, switchboards, machinery, industrial control panels, OEM equipment and general low-voltage electrical isolation.
ABB OT Series switch disconnectors are trusted by electrical contractors, panel builders and automation engineers for providing safe, reliable isolation across industrial machinery and low-voltage electrical installations.
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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...