Square D AL-40 Heavy Duty Enclosed Safety Switch

Square D AL-40 Heavy Duty Enclosed Safety Switch is a 40 Amp enclosed disconnect switch from Square D (Schneider Electric) designed to safely isolate circuits in commercial and light industrial environments. It is built with a rugged NEMA Type 1 enclosure that provides dust protection and incidental contact shielding for indoor installations in non-hazardous spaces, and it is part of Square D's lineup of heavy-duty safety switches intended for frequent operation in demanding service conditions. The AL-40's compact, durable mechanism supports straightforward manual operation and reliable service life in panels, switchgear, or as a service disconnect in equipment rooms. This model is commonly used to disconnect power to motors, pumps, and other electrical equipment where a 40 A rating is appropriate, and it integrates with standard Square D wiring practices and mounting configurations for compatibility with existing installations. With its proven Square D build quality, the AL-40 offers a simple, code-compliant way to provide local isolation and lockout capability in a wide range of commercial and light-industrial applications.