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1SCA022398R8570 ABB 250A 3-Pole EMC Enclosed Safety Switch IP54
ABB OT250KUUA3T is a 250 A three-pole IP54 EMC enclosed safety switch with bottom cable entry, designed for reliable electrical isolation and load switching in industrial applications.
£1,366.72
Why Choose the ABB OT250KUUA3T 250A EMC Safety Switch?
The ABB OT250KUUA3T is a robust 250 A 3-pole EMC enclosed safety switch designed for dependable electrical isolation and load-breaking duties in demanding industrial installations. Identified by ABB order code 1SCA022398R8570, it belongs to ABB product group 311019 – Metal Enclosed (Loadbreak) and combines proven ABB OT switch-disconnector technology with a steel-sheet EMC enclosure.
Designed for applications where electromagnetic compatibility and reliable isolation are important, the OT250KUUA3T features an IP54-rated enclosure with cable entry from the bottom. The top is fitted with a blank entry plate, while the bottom arrangement allows the appropriate EMC cable-entry components and flanges to be selected for the installation.
With a rated current of 250 A and a 3-pole configuration, the OT250KUUA3T is suitable for substantial three-phase electrical loads. Its AC-23A motor ratings include 75 kW at 230 V, 132 kW at 400 V, 160 kW at 500 V and 200 kW at 690 V, making it suitable for industrial machinery, motor circuits and power distribution applications.
Key Advantages
- Heavy-duty 250 A EMC safety switch for industrial electrical isolation.
- 3-pole configuration suitable for three-phase electrical systems.
- Robust steel-sheet enclosed construction for EMC applications.
- IP54 protection rating for industrial environments.
- Bottom cable-entry arrangement with blank entry plate at the top.
- Includes 2NO + 1NC auxiliary contacts for signalling and control functions.
Key Features
- ABB OT enclosed EMC safety switch series.
- 250 A rated current.
- 3-pole configuration.
- IP54-rated steel-sheet enclosure.
- Cable entry from the bottom.
- Blank cable-entry plate fitted at the top.
- 2NO + 1NC auxiliary contacts included.
- Suitable cable-entry size of 400 × 230 mm.
- Designed for shielded cabling in EMC installations.
- Load-break switching and electrical isolation functionality.
Reliable EMC Electrical Isolation and Load-Break Switching
The ABB OT250KUUA3T is designed for industrial installations requiring reliable load isolation together with effective electromagnetic compatibility. Its steel-sheet enclosure and EMC-oriented construction make it particularly suitable for systems using shielded power cables, helping maintain appropriate EMC installation practices while providing a clearly operated local isolation point.
The bottom-entry enclosure arrangement provides installation flexibility, with the required cable-entry components and EMC flanges selected to suit the application. Combined with its auxiliary contacts and substantial AC-23A motor switching ratings, the OT250KUUA3T is well suited to machinery, drives, motors and industrial power distribution systems.
Typical Applications
- Industrial machinery requiring EMC-compatible isolation.
- Variable frequency drive and motor installations.
- Three-phase motor and machinery isolation.
- Industrial electrical distribution systems.
- Manufacturing and production equipment.
- Automation systems using shielded power and motor cabling.
- Local maintenance and electrical isolation points.
Technical Specifications
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| Material | Steel | |
|---|---|---|
| Device Type | EMC safety switch | |
| Series | OT Enclosed EMC Safety Switches | |
| ABB order code | 1SCA022398R8570 | |
| Product description | 250A 3P EMC enclosed safety switch, bottom entry, IP54 | |
| Product type | Metal-enclosed EMC safety switch / switch-disconnector | |
| ABB product group | 311019 – Metal Enclosed (Loadbreak) | |
| Rated current | 250 A | |
| Number of poles | 3 | |
| Protection rating | IP54 | |
| Enclosure material | Steel sheet | |
| Cable entry | Bottom entry | |
| Top entry | Blank entry plate | |
| Suitable cable-entry size (W × D) | 400 × 230 mm | |
| Auxiliary contacts included | 2NO + 1NC | |
| Maximum auxiliary contacts | 2NO + 1NC | |
| AC-23A motor output at 230 V | 75 kW | |
| AC-23A motor output at 400 V | 132 kW | |
| AC-23A motor output at 500 V | 160 kW | |
| AC-23A motor output at 690 V | 200 kW | |
| Weight | approx. 25 kg | |
| Operation | Manual | |
| Application | Electrical isolation and load switching |
Frequently Asked Questions
What is the ABB OT250KUUA3T used for?
The OT250KUUA3T is a 250 A 3-pole EMC enclosed safety switch used for load switching and safe electrical isolation in industrial installations, particularly where EMC-compatible installation is required.
What is the rated current of the OT250KUUA3T?
The ABB OT250KUUA3T has a rated current of 250 A.
What is the protection rating of the OT250KUUA3T?
The OT250KUUA3T has an IP54 protection rating and is supplied in a steel-sheet EMC enclosure.
Where are the cable entries on the OT250KUUA3T?
The OT250KUUA3T is configured for bottom cable entry, with a blank entry plate fitted at the top. Suitable EMC cable-entry components and flanges can be selected for the installation.
What motor power can the OT250KUUA3T switch?
The switch has AC-23A motor ratings of 75 kW at 230 V, 132 kW at 400 V, 160 kW at 500 V and 200 kW at 690 V.
Trusted ABB Switching Technology
ABB OT enclosed EMC safety switches provide dependable load switching and electrical isolation for industrial power, machinery and motor applications where robust construction, shielded cabling and electromagnetic compatibility are important.
