The 0172101 is a 25A front-mount disconnect switch manufactured by BACO Controls, featuring a padlockable handle and 4-pole neutral configuration with NC/NO auxiliary contacts. This switch is designed for door and panel mounting applications and meets IP40 protection rating in standard versions, with IP65 available on request. The switch is certified to UL, CSA, and CE standards, ensuring compliance with major regulatory requirements. It is commonly used in industrial control panels, machinery disconnects, and electrical distribution systems where safe isolation and lockout capability are essential.