1SCA022279R9710 ABB 400 A 3-Pole Steel Enclosed Switch Disconnector IP54

Why Choose the ABB OT400DLAA3B Enclosed Switch Disconnector?

The ABB OT400DLAA3B, ABB order number 1SCA022279R9710, is a heavy-duty 400 A 3-pole enclosed switch disconnector designed for reliable load-break switching and electrical isolation in demanding industrial low-voltage installations. As part of the proven ABB OT enclosed switch-disconnector range and product group 311019-Metal Enclosed (Loadbreak), it combines high-current switching performance with a robust steel-sheet enclosure.

This enclosed switch disconnector provides 3-pole switching with manual I-O / ON-OFF operation, making it suitable for isolating large motors, machinery and three-phase distribution circuits. Its IP54 protection rating provides protection for industrial environments, while the black pistol-type operating handle gives operators clear and straightforward local control.

With a rated current of 400 A, the OT400DLAA3B is designed for substantial three-phase electrical loads. The steel enclosure measures approximately 800 × 400 × 230 mm and features open cable entry at the top and bottom, allowing suitable cable-entry accessories and flanges to be selected according to the installation requirements.

Key Advantages

• Heavy-duty 400 A enclosed switch disconnector for industrial electrical systems.
• 3-pole configuration for switching and isolating three-phase circuits.
• IP54 protection rating for demanding industrial environments.
• Robust steel-sheet enclosure protects the internal switching equipment.
• Open top and bottom cable entry provides flexibility when selecting cable-entry accessories.
• Black pistol-type operating handle provides clear manual I-O / ON-OFF control.

Key Features

• ABB OT enclosed switch disconnector.
• 400 A rated current.
• 3-pole configuration.
• IP54 enclosure protection.
• Durable steel-sheet enclosed construction.
• Black pistol-type operating handle with I-O and ON-OFF indication.
• Manual load-break switching and electrical isolation.
• Open top and bottom cable-entry arrangement.
• Neutral and PE terminals included.
• Designed for high-current industrial distribution and machinery applications.

Reliable High-Current Electrical Isolation

Enclosed switch disconnectors such as the ABB OT400DLAA3B provide a dependable means of manually disconnecting high-current machinery and electrical equipment from the power supply. The clearly defined I-O / ON-OFF operating mechanism provides a local isolation point, allowing equipment to be disconnected during maintenance, inspection and servicing.

The ABB OT enclosed switch-disconnector range is designed for demanding low-voltage industrial applications. The OT400DLAA3B combines 400 A three-pole load-break switching with an IP54 steel-sheet enclosure and flexible open cable-entry arrangement, making it a practical solution for machinery, motor circuits and industrial power-distribution systems.

Typical Applications

• Heavy industrial machinery isolation.
• High-current three-phase electrical circuits.
• Industrial motor isolation.
• Manufacturing and processing plants.
• Industrial power-distribution systems.
• Large pumps, fans and ventilation equipment.
• Conveyors and material handling systems.
• Local maintenance and service isolation points.