- This is a single XB5AG21 XB5 Series 2-position self-locking rotary selector switch with key. - Color: Red. - Size/Config: XB5AG21 1NO. - Function: A two-position rotary switch that self-locks in each position and requires the key to change state. Provides secure, deliberate control and prevents accidental changes. - Compatibility: Part of the XB5 series, suitable for panels and control circuits that require a keyed selector switch. - Security: Includes a key to prevent unauthorized changes. - Electrical: 1 normally open (1NO) contact. - Performance and form: Compact, reliable two-position selector with locking mechanism in the XB5 family. - Use scenarios: - Start/stop or mode selection on motors, conveyors, pumps, or similar equipment in industrial lines. - Control panel operation modes for packaging, processing, or manufacturing equipment. - Locked configuration selection on test benches or lab equipment to prevent unintended changes.