The ABB OT32E3 is a 3-pole, non-fusible disconnect switch rated for 40 A at 600 V AC, engineered for reliable power disconnection in motor control centers, switchboards, and equipment main disconnect applications. Its compact footprint—7.00 in. (H) × 2.75 in. (W) × 1.77 in. (L)—enables efficient panel integration while maintaining low power loss through a unique knife contact design. The switch operates through a thru-door operator with adjustable shaft installation and supports DIN rail, panel, and base mounting configurations.
– Technical Specifications
• Current Rating: 40 A
• Voltage Rating: 600 V AC
• Poles: 3
• Electrical Endurance: Up to 20,000 operating cycles
• Terminal Type: Lugs
• Dimensions: 7.00 in. (H) × 2.75 in. (W) × 1.77 in. (L)
• Weight: Approximately 0.20–0.25 lbs
• Configuration: Non-fusible operation
– Key Features
• Knife contact design delivers short current path with reduced power loss and minimal heat generation
• Visible contacts available for 100 A and above for enhanced operational visibility
• Adjustable shaft eliminates need for cutting tools during installation
• Snap-on mounting system for accessory integration
• Tested to IEC 60947-3, UL508, UL98, and CSA standards
• Designed for virtual maintenance-free operation across extended service life
– Typical Applications
• Motor control centers and switchboards
• Main disconnect switches for machinery and equipment
• Power distribution systems
• Photovoltaic power generation systems
• Mechanical equipment isolation
– Compatibility & Integration
The OT32E3 accommodates DIN rail, panel, and base mounting configurations for flexible enclosure integration. Thru-door operation enables safe switching without panel removal. Terminal lugs support standard industrial wiring practices. CAD drawings, data sheets, and application notes are available for design reference.
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