ABB OTL16T3B enclosed 3-pole safety switch with a 16 A rating, IP65 steel enclosure and 7.5 kW motor switching capacity for industrial electrical isolation.
£236.24
The ABB OTL16T3B (1SCA022571R9150) is a compact and reliable 3-pole enclosed safety switch designed to provide safe isolation for industrial machinery, commercial electrical installations and low voltage power distribution systems. As part of the trusted ABB OTL enclosed safety switch range, it delivers dependable switching performance whilst protecting personnel during servicing and maintenance.
The switch is housed within a durable alu-zinc coated steel enclosure with a polyester powder-coated finish, providing an IP65 protection rating against dust and water ingress. A lockable rotary selector handle incorporates a door interlock that prevents the enclosure from being opened whilst the switch is in the ON position, enhancing operational safety. The interlock can also be overridden for thermographic inspection when required.
Rated at 16 A with a 7.5 kW motor switching capacity, the OTL16T3B is ideal for isolating motors, pumps, fans, HVAC equipment and general electrical circuits. Its compact enclosure makes it suitable for industrial control panels, OEM equipment and wall-mounted isolation applications.
Enclosed safety switches provide a dependable method of isolating electrical equipment before maintenance or servicing. They help protect personnel by ensuring equipment can be safely disconnected from the electrical supply whilst reducing the risk of accidental energisation.
The ABB OTL16T3B combines a reliable switch mechanism with a weather-resistant enclosure, making it ideal for industrial plants, commercial buildings, OEM machinery and manufacturing environments where dependable isolation is essential.
| Power | 7.5 kW |
|---|---|
| Current | 16 A |
| Phase | Three Phase |
| IP Rating | IP65 |
| Manufacturer | ABB |
| Series | OTL Enclosed Safety Switches |
| Model | OTL16T3B |
| MPN | 1SCA022571R9150 |
| Product type | Enclosed safety switch |
| Rated operational current | 16 A |
| Motor rating | 7.5 kW |
| Rated insulation voltage | 750 V |
| Number of poles | 3 |
| Protection rating | IP65 |
| Auxiliary contacts | 1 NO |
| Enclosure material | Alu-zinc coated steel with polyester powder coating |
| Dimensions (H × W × D) | 200 × 150 × 100 mm |
| Weight | Approx. 1.7 kg |
| HS Code | 85365080 |
| Country of Manufacture | Bulgaria |
The OTL16T3B is used to safely isolate electrical circuits supplying industrial machinery, motors and power distribution equipment.
The switch has a rated operational current of 16 A.
Yes. The enclosure is rated IP65, making it suitable for indoor and outdoor applications.
Yes. The rotary operating handle incorporates a door interlock, which can also be overridden for thermographic inspections.
The OTL16T3B is suitable for switching motor loads up to approximately 7.5 kW under AC-23A operating conditions.
ABB OTL enclosed safety switches are trusted by panel builders, electrical contractors and industrial engineers for providing dependable electrical isolation, robust construction and long-term reliability in demanding applications.
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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...