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OT250KLUU3BZ ABB 250 A 3-Pole IP65 Enclosed Safety Switch-Disconnector
ABB OT250KLUU3BZ is a 250 A 3-pole steel enclosed safety switch-disconnector with IP65 protection and blank cable entries, designed for reliable industrial electrical switching and isolation.
£1,029.41
Why Choose the ABB OT250KLUU3BZ Enclosed Safety Switch-Disconnector?
The ABB OT250KLUU3BZ is a robust 250 A, 3-pole enclosed safety switch-disconnector designed for dependable switching and isolation of low-voltage electrical circuits. As part of the established ABB OT switch-disconnector range, it combines reliable electrical isolation with a durable steel enclosure for industrial power distribution, machinery and control applications.
Designed for demanding installations, the OT250KLUU3BZ features a steel sheet enclosure with IP65 protection, providing a high level of protection against dust and water ingress when correctly installed. The enclosure has blank cable entries at the top and bottom, providing installation flexibility for the required cable arrangement.
With a rated operational current of 250 A and a 3-pole configuration, the OT250KLUU3BZ is suitable for substantial three-phase loads. It is supplied with a black pistol-type operating handle, neutral and protective earth terminals, and a door-interlocked operating mechanism, providing a practical and secure enclosed isolation solution for industrial electrical systems.
Key Advantages
- Heavy-duty 250 A enclosed safety switch-disconnector for industrial isolation duties.
- 3-pole configuration suitable for three-phase electrical systems.
- Robust steel sheet enclosure for demanding industrial installations.
- IP65 protection rating for protection against dust and water ingress.
- Blank cable entries provide flexibility when configuring cable connections.
- Black pistol-type operating handle with I-O / ON-OFF indication.
- Door-interlocked operating mechanism for enhanced operational safety.
- Neutral and protective earth terminals included.
Key Features
- ABB OT switch-disconnector range.
- 250 A rated operational current.
- 3-pole switching configuration.
- Steel enclosed safety switch-disconnector.
- IP65 enclosure protection.
- Blank top and bottom cable entries.
- Front-operated switching arrangement.
- Black pistol-type handle with I-O / ON-OFF indication.
- Interlocked enclosure cover with defeatable interlock function.
- Neutral and protective earth terminals included.
- Suitable for industrial power distribution and machinery isolation.
Reliable Electrical Isolation for Industrial Systems
Safety switch-disconnectors such as the ABB OT250KLUU3BZ provide a dependable means of manually switching and isolating electrical circuits. This enables downstream machinery and electrical equipment to be disconnected from the power supply for maintenance, servicing and operational control.
The OT250KLUU3BZ combines a 250 A current rating with a 3-pole switching arrangement, robust steel enclosure and IP65 protection. Its interlocked operating mechanism helps prevent normal access to the enclosure while the switch is in the ON position, while the defeatable interlock provides additional flexibility for authorised maintenance procedures.
Typical Applications
- Industrial machinery main isolation.
- Three-phase power distribution systems.
- Manufacturing and process equipment.
- Motor control and automation installations.
- Electrical distribution and control systems.
- Industrial plant and production equipment.
- Installations requiring IP65 enclosed electrical isolation.
Technical Specifications
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| Material | Steel | |
|---|---|---|
| Device Type | Enclosed safety switch / isolator | |
| Series | OT Switch-Disconnectors | |
| ABB order code | OT250KLUU3BZ | |
| ABB product ID | 1SCA022602R0710 | |
| ABB product group | 311027-OT Switches | |
| Product type | Enclosed safety switch-disconnector | |
| Rated current | 250 A | |
| Number of poles | 3 | |
| Enclosure material | Steel sheet | |
| Protection rating | IP65 | |
| Cable entry | Blank top and bottom entries | |
| Operation | Front operated | |
| Rated operational current AC-22A at 380–415 V AC | 250 A | |
| Rated operational current AC-23A at 380–415 V AC | 250 A | |
| Rated operational current AC-23A at 690 V AC | 250 A | |
| Motor output AC-23A at 415 V AC | 110 kW | |
| Motor output AC-23A at 690 V AC | 200 kW | |
| Enclosure dimensions (H × W × D) | 600 × 400 × 230 mm | |
| Weight | approx. 17 kg | |
| Handle | Black pistol-type handle with I-O / ON-OFF indication | |
| Cover interlock | Included, with defeatable interlock function | |
| Neutral terminal | Included | |
| Protective earth terminal | Included |
Frequently Asked Questions
What is the ABB OT250KLUU3BZ used for?
The ABB OT250KLUU3BZ is an enclosed safety switch-disconnector used for switching and safely isolating low-voltage electrical circuits in industrial machinery, power distribution and control applications.
What is the current rating of the ABB OT250KLUU3BZ?
The OT250KLUU3BZ has a rated operational current of 250 A, making it suitable for substantial industrial electrical loads and isolation duties.
How many poles does the OT250KLUU3BZ have?
The ABB OT250KLUU3BZ has a 3-pole configuration, making it suitable for switching and isolating three-phase electrical circuits.
What protection rating does the enclosure provide?
The OT250KLUU3BZ features a steel enclosure with an IP65 protection rating, providing protection against dust and water ingress when correctly installed.
What type of cable entries does the ABB OT250KLUU3BZ have?
The OT250KLUU3BZ is supplied with blank cable entries at the top and bottom, allowing the cable-entry arrangement to be configured for the requirements of the installation.
Trusted Industrial Switching from ABB
ABB OT enclosed switch-disconnectors provide dependable switching and isolation for industrial electrical systems, combining robust construction, secure operation and flexible installation options for machinery, power distribution and control applications.
