Why Choose the ABB OT630KLAA3BZ 630 A Enclosed Switch Disconnector?
The ABB OT630KLAA3BZ is a robust and reliable 630 A three-pole enclosed switch disconnector designed for safe electrical isolation and load switching in industrial and commercial power distribution systems. As part of the ABB OT enclosed loadbreak switch range, it combines dependable switching performance with a durable steel enclosure, making it suitable for demanding electrical installations.
This switch disconnector features a steel sheet enclosure with an IP65 protection rating, providing protection against dust ingress and water jets when correctly installed with suitable cable entry accessories. Its front-operated design incorporates a black pistol-type operating handle with clear ON/OFF indication, allowing operators to isolate electrical equipment safely during maintenance and servicing.
With a 630 A nominal current rating, three-pole switching configuration and open cable entry arrangement, the OT630KLAA3BZ is suitable for high-current electrical distribution applications. The enclosure is designed to accommodate appropriate cable entry flanges and includes neutral and protective earth terminals, supporting practical installation in industrial switchgear and distribution systems.
Key Advantages
- Heavy-duty 630 A enclosed switch disconnector for industrial electrical isolation.
- Three-pole switching configuration suitable for three-phase electrical distribution systems.
- IP65-rated steel enclosure provides protection against dust and water ingress when correctly installed.
- Durable galvanised steel construction with protective polyester coating.
- Front-operated ON/OFF handle enables straightforward manual switching and isolation.
- Padlockable operating handle supports safe maintenance and isolation procedures.
- Open cable entry arrangement allows flexible selection of compatible cable entry accessories.
- Suitable for industrial power distribution, machinery isolation and electrical switchgear installations.
Key Features
- ABB OT enclosed switch disconnector range.
- 630 A nominal current rating.
- Three-pole (3P) switching configuration.
- IP65 enclosure protection rating when correctly assembled.
- Strong steel sheet enclosure with corrosion-resistant protective finish.
- Front-operated loadbreak switching mechanism.
- Black pistol-type handle with clear I-0 and ON/OFF indication.
- Padlockable operating handle for controlled electrical isolation.
- Door interlocking arrangement for improved operational safety.
- Integrated neutral and protective earth terminals.
- Open cable entry positions for compatible C-flange or ring-flange accessories.
- Suitable for installation in industrial electrical distribution environments.
Technical Specifications
- Manufacturer: ABB
- Series: ABB OT Enclosed Switch Disconnectors
- Model: OT630KLAA3BZ
- ABB order code: 1SCA022302R9140
- Product group: 311019-Metal Enclosed (Loadbreak)
- Product type: Enclosed loadbreak switch disconnector
- Nominal current rating: 630 A
- Rated operational current (AC-22A, up to 690 V): 570 A
- Rated operational current (AC-23A, up to 415 V): 570 A
- Number of poles: 3
- Enclosure material: Galvanised steel sheet
- Enclosure finish: Protective polyester coating
- Protection rating: IP65
- Operating mechanism: Front operated
- Handle type: Black pistol-type operating handle
- Switch indication: I-0 / ON-OFF
- Locking provision: Padlockable operating handle
- Cable entry arrangement: Open top and bottom entries
- Cable entry accessories: Compatible C-flanges or ring-flanges, ordered separately
- Terminal provision: Neutral (N) and protective earth (PE) terminals
- Dimensions (H × W × D): 1000 × 400 × 230 mm
- Weight: Approximately 30 kg
- Mounting arrangement: Enclosed fixed installation
Reliable Electrical Isolation and Industrial Power Distribution
Enclosed switch disconnectors such as the ABB OT630KLAA3BZ provide a practical means of manually disconnecting electrical circuits from their power supply. By combining load switching and isolation functionality within a protective enclosure, they support safe maintenance procedures and reliable operation of industrial electrical installations.
The ABB OT range is developed for demanding power distribution applications where robust mechanical construction, dependable switching and straightforward operation are essential. The OT630KLAA3BZ incorporates a front-operated switching mechanism, protective steel enclosure and provision for compatible cable entry accessories, making it suitable for integration into industrial distribution networks, machinery installations and electrical infrastructure.
Typical Applications
- Industrial electrical power distribution systems.
- Three-phase machinery and equipment isolation.
- Main isolation points for industrial electrical installations.
- Electrical switchgear and distribution assemblies.
- Manufacturing plants and production facilities.
- Commercial and industrial electrical infrastructure.
- Motor control and industrial automation installations.
- Maintenance isolation for high-current electrical equipment.
