1SCA022278R3120 ABB 400 A 3-Pole IP65 Plastic Enclosed Safety Switch

Why Choose the ABB OT400DFCC3A Enclosed Safety Switch?

The ABB OT400DFCC3A, ABB order number 1SCA022278R3120, is a heavy-duty 400 A 3-pole enclosed safety switch designed for reliable load-break switching and electrical isolation in demanding industrial low-voltage installations. As part of the proven ABB OT enclosed safety switch range and product group 311019-Metal Enclosed (Loadbreak), it combines high-current switching capability with a robust plastic enclosure.

This safety switch provides 3-pole switching with manual I-O / ON-OFF operation and a highly visible red/yellow operating handle. Its IP65 protection rating makes it suitable for demanding indoor and outdoor environments, while the enclosure incorporates cover interlocking, a defeatable interlock, PE terminal and auxiliary contacts for dependable local electrical isolation.

With a rated current of 400 A, the OT400DFCC3A provides AC-23A motor switching capability of up to 220 kW at 415 V and 355 kW at 690 V. Its glass-reinforced polycarbonate enclosure measures approximately 840 × 380 × 180 mm and provides cable-entry provisions from both the top and bottom for flexible industrial installation.

Key Advantages

• Heavy-duty 400 A enclosed safety switch for industrial electrical systems.
• 3-pole configuration for switching and isolating three-phase circuits.
• IP65 protection rating for demanding indoor and outdoor environments.
• Robust plastic enclosure provides durable protection for the switching equipment.
• Highly visible red/yellow operating handle supports clear safety isolation.
• Cover interlock, defeatable interlock and padlockable operation support safe maintenance procedures.

Key Features

• ABB OT enclosed safety switch.
• 400 A rated current.
• 3-pole configuration.
• IP65 enclosure protection.
• Rigid glass-reinforced polycarbonate enclosure.
• Grey enclosure with red/yellow I-O / ON-OFF handle.
• Padlockable operating handle for secure isolation.
• Cover interlock with defeatable interlock functionality.
• PE terminal included.
• 2 NO + 1 NC auxiliary contacts included.
• Cable-entry provisions from the top and bottom.

Reliable High-Current Electrical Isolation

Enclosed safety switches such as the ABB OT400DFCC3A provide a dependable means of manually disconnecting high-current machinery and electrical equipment from the power supply. The red/yellow ON-OFF handle gives operators a clearly identifiable local isolation point, while the padlockable mechanism and enclosure interlocking features support safe maintenance and servicing procedures.

The ABB OT enclosed safety switch range is designed for demanding low-voltage industrial applications. The OT400DFCC3A combines 400 A three-pole load-break switching with an IP65 plastic enclosure, high-capacity AC-23A motor switching and integrated auxiliary contacts, making it suitable for machinery, motor circuits and industrial power-distribution systems.

Typical Applications

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