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OT250KLAA4BZ ABB 250A 4-Pole IP65 Steel Enclosed Switch-Disconnector
ABB OT250KLAA4BZ is a 250 A four-pole switch-disconnector in an IP65 steel-sheet enclosure with open cable entries and a black pistol-type handle for dependable industrial switching and electrical isolation.
£1,279.60
Why Choose the ABB OT250KLAA4BZ 250A 4-Pole Enclosed Switch-Disconnector?
The ABB OT250KLAA4BZ is a heavy-duty 250 A four-pole enclosed switch-disconnector designed for reliable load switching and electrical isolation in industrial and commercial low-voltage installations. It combines an ABB OT switching mechanism with a robust steel-sheet enclosure, providing a complete enclosed solution for power distribution, machinery and local isolation applications.
The OT250KLAA4BZ is housed in an IP65 steel enclosure measuring approximately 400 × 600 × 230 mm. The enclosure is supplied with open cable-entry areas at the top and bottom, allowing the appropriate cable-entry accessories and flanges to be selected for the installation. A black pistol-type operating handle with I-0 / ON-OFF indication is included.
Rated at 250 A for AC-22A duty up to 690 V and 250 A for AC-23A duty up to 415 V, the OT250KLAA4BZ provides dependable switching performance for demanding industrial loads. Its four-pole, front-operated arrangement and IP65 steel enclosure make it particularly suitable where robust environmental protection and secure local isolation are required.
Key Advantages
- Complete 250 A four-pole enclosed switch-disconnector for industrial isolation duties.
- Robust steel-sheet enclosure with IP65 protection.
- 250 A AC-22A rating up to 690 V for demanding switching applications.
- 250 A AC-23A rating up to 415 V.
- Black pistol-type operating handle provides clear I-0 / ON-OFF indication.
- Open top and bottom cable-entry areas provide flexibility when configuring cable connections.
Key Features
- ABB OT enclosed switch-disconnector range.
- 250 A rated operational current.
- 4-pole configuration.
- Steel-sheet enclosure.
- IP65 enclosure protection.
- Front-operated switching arrangement.
- Black pistol-type operating handle included.
- I-0 and ON-OFF handle indication.
- Open cable-entry areas at the top and bottom.
- Designed for separate cable-entry flanges or ring-flanges as required.
- Suitable for industrial power distribution and equipment isolation.
- Enclosure dimensions approximately 400 × 600 × 230 mm.
Protected Switching and Isolation in a Steel IP65 Enclosure
Enclosed switch-disconnectors combine the switching and isolation functions of a switch-disconnector with a protective enclosure, providing a practical complete assembly for local electrical isolation. The steel housing of the ABB OT250KLAA4BZ provides IP65 protection, helping protect the enclosed switching equipment against dust and water ingress in demanding installation environments.
The OT250KLAA4BZ combines 250 A switching capability, four-pole operation and a steel enclosure in a front-operated assembly. Its AC-22A and AC-23A ratings make it suitable for demanding load-switching duties, while the open cable-entry arrangement enables the installation to be completed using appropriate cable-entry accessories for the application.
Typical Applications
- Industrial machinery and equipment isolation.
- Local disconnect and main-switch applications.
- Manufacturing and process-industry installations.
- Four-pole low-voltage distribution systems.
- Industrial plant and infrastructure electrical systems.
- Applications requiring an IP65 steel enclosed switch-disconnector.
Technical Specifications
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| Material | Steel | |
|---|---|---|
| Device Type | Enclosed switch disconnector | |
| Series | OT Enclosed Switch-Disconnectors | |
| ABB order code | 1SCA022342R5840 | |
| Product group | 311027-OT Switches | |
| Product type | Enclosed switch-disconnector | |
| Rated operational current | 250 A | |
| Number of poles | 4 | |
| Rated operational current AC-22A | 250 A up to 690 V | |
| Rated operational current AC-23A | 250 A up to 415 V | |
| Enclosure material | Steel sheet | |
| Degree of protection | IP65 | |
| Operation | Front operated | |
| Handle | Black pistol-type handle | |
| Handle indication | I-0 / ON-OFF | |
| Cable-entry arrangement | Open top and bottom | |
| Enclosure width | 400 mm | |
| Enclosure height | 600 mm | |
| Enclosure depth | 230 mm | |
| Product weight | approx. 18 kg |
Frequently Asked Questions
What is the ABB OT250KLAA4BZ?
The ABB OT250KLAA4BZ is a 250 A four-pole enclosed switch-disconnector supplied in a robust IP65 steel-sheet enclosure for industrial switching and electrical isolation.
What is the current rating of the ABB OT250KLAA4BZ?
The OT250KLAA4BZ is rated at 250 A for AC-22A duty up to 690 V and 250 A for AC-23A duty up to 415 V.
How many poles does the OT250KLAA4BZ have?
The OT250KLAA4BZ has a four-pole configuration, enabling four conductors to be switched and isolated together.
What enclosure protection does the OT250KLAA4BZ provide?
The switch-disconnector is installed in a steel-sheet enclosure rated IP65, providing protection against dust and water ingress suitable for demanding industrial environments.
What are the enclosure dimensions of the ABB OT250KLAA4BZ?
The enclosure measures approximately 400 mm wide × 600 mm high × 230 mm deep.
Does the ABB OT250KLAA4BZ have open cable entries?
Yes. The enclosure is supplied with open cable-entry areas at the top and bottom. Suitable cable-entry flanges or ring-flanges are selected separately according to the installation requirements.
Trusted by Industrial Electrical Professionals Worldwide
ABB OT enclosed switch-disconnectors are used in industrial power distribution, machinery and local isolation applications where dependable switching, secure electrical isolation and robust environmental protection are required.
