ABB OT800U03 Switch

ABB OT800U03 is a three-pole, non-fusible disconnect switch rated for 800 A and up to 600 V AC, built to provide a simple, reliable power isolation point in industrial and commercial electrical distributions. Cataloged as 1SCA105635R1001 with OT800U03 listed as the alternate catalog number in ABB’s product lineup, it’s a purpose-built switch-disconnector designed for robust three‑phase isolation. The unit ships with terminal bolts included for straightforward installation and carries UL 98 and IEC approvals, aligning with common safety standards for disconnect Switches. Typical applications include service disconnects for feeders and motor-control circuits, as well as other power-distribution tasks where a dedicated isolation point is required in switchgear or panel installations. As a non-fusible 3‑pole device, OT800U03 provides a straightforward maintenance-friendly solution for isolating energized equipment without integrated fusing, with ABB’s OT family design offering established reliability in industrial environments.