Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
1SCA022398R9460 ABB 250A 3-Pole EMC Safety Switch IP54
ABB OT250KTAA3T is a 250 A three-pole IP54 steel-sheet enclosed EMC safety switch designed for reliable electrical isolation and load switching in industrial applications.
£1,275.29
Why Choose the ABB OT250KTAA3T 250A EMC Safety Switch?
The ABB OT250KTAA3T is a robust 250 A 3-pole EMC safety switch designed for dependable isolation and load-breaking duties in industrial electrical installations where electromagnetic compatibility is important. Identified by ABB order code 1SCA022398R9460, it is a steel-sheet enclosed switch-disconnector within ABB product group 311019 – Metal Enclosed (Loadbreak).
Designed around ABB’s proven OT switch-disconnector technology, the OT250KTAA3T combines reliable manual isolation with an EMC-oriented metal enclosure. The unit features a grey enclosure, black I-O / ON-OFF operating handle and IP54 protection, providing a practical solution for industrial machinery, motor circuits and power distribution applications.
With a rated current of 250 A and a 3-pole configuration, the OT250KTAA3T is suitable for three-phase electrical systems. 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 demanding industrial motor and load-switching 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 metal enclosure designed for EMC applications.
- IP54 protection rating for demanding industrial environments.
- Black I-O / ON-OFF operating handle for straightforward manual switching.
- Supplied with 2NO + 1NC auxiliary contacts and PE terminal.
Key Features
- ABB OT enclosed EMC safety switch series.
- 250 A rated current.
- 3-pole configuration.
- IP54 rated steel-sheet enclosure.
- Open cable entries at the top and bottom.
- 2NO + 1NC auxiliary contacts included.
- Integrated PE terminal.
- Black I-O / ON-OFF operating handle.
- Suitable cable-entry size of 400 × 230 mm.
- Load-break switching and electrical isolation functionality.
Reliable EMC Electrical Isolation and Load-Break Switching
The ABB OT250KTAA3T is designed for applications where reliable load isolation and electromagnetic compatibility are required. Its steel-sheet enclosure and EMC-oriented construction make it particularly suitable for installations using shielded cables, helping maintain an effective EMC installation while providing a clearly operated isolation point.
The OT250KTAA3T provides substantial AC-23A motor-switching capability across common industrial voltages. Its open top and bottom cable-entry arrangement allows appropriate cable entries and flanges to be selected for the installation, while the included auxiliary contacts can support signalling, interlocking and control functions.
Typical Applications
- Industrial machinery requiring EMC-compatible isolation.
- Variable speed drive and motor installations.
- Three-phase motor and machinery isolation.
- Industrial electrical distribution systems.
- Manufacturing and production equipment.
- Automation and control installations using shielded cabling.
- Maintenance and local electrical isolation points.
Technical Specifications
Tick the specs you need, then view products that match.
| Device Type | EMC safety switch | |
|---|---|---|
| Series | OT Enclosed EMC Safety Switches | |
| ABB order code | 1SCA022398R9460 | |
| Product description | 250A 3P EMC enclosed safety switch, open 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 | Steel sheet, grey | |
| Handle | Black I-O / ON-OFF handle | |
| Cable entries | Open top and bottom | |
| 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. 17 kg | |
| Operation | Manual | |
| Application | Electrical isolation and load switching |
Frequently Asked Questions
What is the ABB OT250KTAA3T used for?
The OT250KTAA3T is a 250 A 3-pole EMC 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 OT250KTAA3T?
The ABB OT250KTAA3T has a rated current of 250 A.
What is the protection rating of the OT250KTAA3T?
The OT250KTAA3T has an IP54 protection rating and is supplied in a robust steel-sheet enclosure.
What motor power can the OT250KTAA3T 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.
What is the ABB order code for the OT250KTAA3T?
The ABB order code for the OT250KTAA3T is 1SCA022398R9460.
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 and electromagnetic compatibility are important.
