This is a single PBS11A 12 mm black push button switch with selflocking (latching) action. The button engages and stays in the ON position until pressed again to release, providing a reliable on/off control for panel installations and compact electrical projects. Key specifications Model: PBS11A Configuration: 2pin Button diameter: 12 mm Action: selflocking (latching) Electrical rating: 1 A at 250 V AC Color: black Quantity included: 1 piece Features and benefits Latching push button: press to engage, press again to disengage, ensuring the circuit remains in its current state without continuous holding. Simple wiring: 2pin connection supports easy integration into low power control circuits. Compact 12 mm size: suitable for panelmounted applications with a clean, spaceefficient footprint. Visual cue: black housing provides a discreet, professional appearance in control panels and enclosures. Applications Power on/off control for small power supplies, test rigs, or DIY projects requiring a latched state. Start/stop switch in hobby electronics, DIY CNC machines, 3D printers, or arcade cabinets. Panelmounted ON/OFF switch for instrumentation, lab equipment, or compact control panels. Compatibility and use context Designed for PBS11A applications and related 2pin panel switch configurations. Appropriate for installations where a durable, latched push button is preferred over momentary switches. Package content 1 piece PBS11A 12 mm black selflocking push button switch (2pin, 1 A 250 V AC).