The ABB OT400U22 is a high-performance, non-fusible disconnect switch from the Switchline series, designed for robust industrial applications. This 4-pole switch supports a 400A current rating and operates at a maximum voltage of 600V AC. It is UL98 certified, ensuring compliance with safety standards. The OT400U22 is versatile with options for DIN rail, door, or base mounting and can be operated through a door. It is engineered for safety with finger-proof protection and welded contact points, making it ideal for motor control and construction safety switches. The switch's compact size does not compromise its functionality, offering flexibility and high performance. Additional features include a broad range of accessories, mountability in any position, and compatibility with various horsepower ratings up to 350 HP at 600V in a three-phase setup. This switch is a reliable choice for managing power in demanding environments.