Allen-Bradley B10 Rotary Switch

The B10 Rotary Switch is a generic, 3-pole (3P) manual selector switch rated for 600V AC and 10A, designed for industrial motor control panels to manually switch three‑phase circuits and provide reliable circuit isolation. It mounts on a panel with screw terminals, uses a rotary knob for actuation, and supports ON/OFF or position‑selection operation with multi‑position contacts that vary by model; it is designed for 50/60 Hz operation, and the housing is industrial‑grade thermoplastic with a metal bezel in variant configurations. Common applications include control of motors in HVAC equipment, pumps, compressors, and OEM machinery, where safe, immediate manual switching of three‑phase loads is required. Common replacements include Schneider Electric K10, Kraus & Naimer CA10, and Eaton T0 rotary switches.