2HA943 - Switch

Meet the 2HA943 - Switch, a purpose-built fusible switch engineered for reliable on/off isolation and precise overcurrent protection in demanding industrial and commercial settings. Its robust construction is designed to perform where safety, simplicity, and uptime matter most, making it a trusted choice for power control in tough environments.

• Compact, maintainable design: The 2HA943 offers a small footprint without compromising accessibility, enabling straightforward installation in crowded panels and limited spaces. Its maintainable architecture makes fuse replacement and service checks quicker, reducing downtime during maintenance windows.
• Integrated overcurrent protection: This fusible switch integrates protective elements directly into the switch assembly, delivering immediate fault isolation to protect wiring, motors, and downstream equipment from damage due to overloads or short circuits.
• Reliable motor disconnect capability: Ideal for motor applications, the 2HA943 provides a clear, decisive disconnect path that simplifies maintenance routines, improves safety during servicing, and supports compliant lockout/tagout procedures.
• Panelboard and branch circuit protection: Designed to serve as a compact protective device at key points in power distribution, the 2HA943 helps streamline panelboard configurations and branch circuits by consolidating switching and protection in one unit.
• Rugged industrial performance: Built to endure demanding environments, the 2HA943 switches with trustworthy contact integrity and durable housing, delivering consistent operation under challenging electrical loads.

Who should consider the 2HA943 Switch? engineers and technicians looking to modernize control panels, facilities managers upgrading motor control and branch circuits, and electrical contractors seeking a dependable, space-efficient fusible switch that reduces wiring complexity while elevating safety and serviceability.

Why choose this unit over alternative disconnect methods? The 2HA943 combines the functions of a disconnect and fuse protection into a single, maintainable package. It minimizes enclosure space, simplifies wiring, and supports quicker fault isolation — all without sacrificing reliability or ease of maintenance. When reliability and controlled isolation are non-negotiable, the 2HA943 Switch stands out as a practical, purpose-driven solution for motor control, panel protection, and branch circuit safety.