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1SCA022549R2270 ABB 250A 3-Pole 132kW IP65 Steel Enclosed Switch-Disconnector
ABB OT250KLUU3AZ is a 250 A three-pole IP65 steel enclosed switch-disconnector with a red-yellow safety handle, blank top and bottom cable entries, 2NO+1NC auxiliary contacts and 132 kW AC-23A motor switching capability at 415 V.
£1,196.65
Why Choose the ABB OT250KLUU3AZ 250A 3-Pole IP65 Steel Enclosed Switch-Disconnector?
The ABB OT250KLUU3AZ is a heavy-duty 250 A three-pole steel enclosed switch-disconnector designed for dependable load switching and electrical isolation in demanding industrial applications. Part of the ABB OT enclosed switch-disconnector range, it combines a high-capacity load-break switch with a robust grey steel enclosure and a highly visible red-yellow operating handle.
Designed for safety switching and local isolation, the OT250KLUU3AZ is supplied with a red-yellow pistol-type I-O / ON-OFF handle, PE terminal and 2NO+1NC auxiliary contacts. The auxiliary contacts are wired to terminal blocks, while cover interlocking and a defeatable interlock provide practical safety and maintenance functionality.
The OT250KLUU3AZ is rated at 250 A and delivers an AC-23A motor switching capability of 132 kW at 415 V and 200 kW at 690 V. Its IP65 steel enclosure features blank cable-entry plates at the top and bottom, providing flexibility for selecting suitable cable glands or flange arrangements for the installation.
Key Advantages
- Heavy-duty 250 A three-pole enclosed switch-disconnector.
- High AC-23A motor switching capability of 132 kW at 415 V.
- IP65 steel enclosure provides robust protection for demanding industrial environments.
- Highly visible red-yellow safety handle for clear local isolation.
- Factory-fitted 2NO+1NC auxiliary contacts for signalling and control circuits.
- Blank top and bottom cable entries provide flexibility when configuring installation cabling.
- Cover interlock and defeatable interlock support safe operation and controlled maintenance access.
Key Features
- ABB OT enclosed switch-disconnector range.
- 250 A rated current.
- Three-pole configuration.
- 132 kW / 250 A AC-23A at 415 V.
- 200 kW / 250 A AC-23A at 690 V.
- IP65 protection rating.
- Grey steel sheet enclosure.
- Red-yellow pistol-type I-O / ON-OFF handle.
- 2NO+1NC auxiliary contacts included.
- Auxiliary contacts wired to terminal blocks.
- PE terminal included.
- Cover interlock included.
- Defeatable interlock included.
- Blank cable-entry plates at the top and bottom.
- Compression glands or flanges can be selected separately to suit the installation.
- 8 kA rated short-time withstand current.
- Maximum rated operational voltage of 1000 V AC.
Reliable High-Current Load Switching and Safety Isolation
The ABB OT250KLUU3AZ provides a clearly defined local means of disconnecting electrical machinery and equipment from its power supply during maintenance, inspection and servicing. Its 250 A three-pole switching arrangement, red-yellow operating handle and high AC-23A ratings make it particularly suitable for substantial three-phase motors and industrial electrical loads.
The combination of an IP65 steel enclosure, factory-fitted auxiliary contacts, PE terminal and safety interlocking provides a complete enclosed isolation solution. Blank cable-entry plates at both the top and bottom allow the installer to configure cable glands or flanges according to the requirements of the electrical installation.
Typical Applications
- Industrial machinery safety isolation and maintenance switching.
- Three-phase motor switching and isolation.
- High-power pumps, fans and compressors.
- Manufacturing and production machinery.
- Industrial process and material-handling equipment.
- Low-voltage power distribution systems.
- Local isolation of high-current three-phase electrical loads.
Technical Specifications
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| Material | Steel | |
|---|---|---|
| Device Type | Enclosed switch disconnector | |
| Series | OT Enclosed Switch-Disconnectors | |
| Product group | 311019-Metal Enclosed (Loadbreak) | |
| ABB order code | OT250KLUU3AZ | |
| ABB order number | 1SCA022549R2270 | |
| Product type | Steel enclosed switch-disconnector | |
| Rated current | 250 A | |
| Number of poles | 3 | |
| Protection rating | IP65 | |
| Maximum rated operational voltage | 1000 V AC | |
| AC-23A motor output at 415 V | 132 kW / 250 A | |
| AC-23A motor output at 690 V | 200 kW / 250 A | |
| Rated short-time withstand current | 8 kA | |
| Enclosure material | Steel sheet | |
| Enclosure colour | Grey | |
| Handle | Red-yellow pistol type, I-O / ON-OFF | |
| Auxiliary contacts included | 2NO+1NC | |
| Maximum auxiliary contacts | 2NO+1NC | |
| Auxiliary contact wiring | Wired to terminal blocks | |
| PE terminal | Included | |
| Cover interlock | Included | |
| Defeatable interlock | Included | |
| Top cable entry | Blank | |
| Bottom cable entry | Blank | |
| Compression glands / flanges | Ordered separately | |
| Dimensions (H × W × D) | 600 × 400 × 230 mm | |
| Weight | approx. 21 kg |
Frequently Asked Questions
What is the ABB OT250KLUU3AZ used for?
The ABB OT250KLUU3AZ is a 250 A three-pole steel enclosed switch-disconnector designed for load switching and secure electrical isolation in industrial machinery, motor and power distribution applications.
What is the current rating of the ABB OT250KLUU3AZ?
The OT250KLUU3AZ has a rated current of 250 A and is designed for substantial three-phase industrial electrical loads.
What motor power can the ABB OT250KLUU3AZ switch?
The OT250KLUU3AZ provides AC-23A motor switching capability of 132 kW / 250 A at 415 V and 200 kW / 250 A at 690 V.
What protection rating does the OT250KLUU3AZ provide?
The ABB OT250KLUU3AZ has an IP65 protection rating, providing a robust enclosed switching and isolation solution for demanding industrial environments.
What cable-entry arrangement does the OT250KLUU3AZ use?
The OT250KLUU3AZ has blank cable-entry plates at both the top and bottom. Suitable compression glands or flange components can be selected separately according to the cabling requirements of the installation.
Trusted ABB Switching Technology
ABB OT enclosed switch-disconnectors combine dependable high-current load switching and electrical isolation with robust steel enclosure construction, safety interlocking and flexible cable-entry arrangements for demanding industrial applications.
