Yellow SelfLocking 16MM Latching Push Button Switch No Lighting 2Pin R16503 The Yellow SelfLocking 16MM Latching Push Button Switch (Model R16503) is a compact, nonilluminated control switch designed for reliable on/off operation in panelmounted applications. It features a selflocking, latching mechanism and a 2pin electrical connection, with a distinct yellow appearance for easy visibility in control panels. This description aligns with the product's stated specifications: 1 piece per unit, 16mm mounting, yellow color, no lighting, two terminals, and the R16503 model. Key benefits Clear on/off control with a selflocking, latching action: push once to set, push again to release. visibility in panels due to the yellow color, aiding quick status recognition. Nonilluminated design reduces power consumption and eliminates lighting failure points. Compact 16mm mounting footprint fits in tight control panels and enclosures. Simple wiring with a 2pin connection enables straightforward installation. Key attributes Function: Latching push button switch with selflocking action Model: R16503 Color: Yellow Size: 16mm mounting diameter / panel cutout Terminals: 2pin electrical connection Lighting: No lighting (nonilluminated) Quantity per unit: 1 piece Material: Not specified by manufacturer Specifications at a glance Mounting diameter: 16 mm Panel cutout: 16 mm Terminals: 2 Illumination: None Color: Yellow Operating style: Selflocking, latching push button Model number: R16503 Applications and use cases Panelmounted on/off switch for small machinery, DIY electronics enclosures, or control panels where a simple, nonilluminated latching switch is needed. Power or start/stop control for small motors, actuators, or automation projects requiring a clearly visible, nonilluminated on/off state. General purpose on/off control in hobbyist or educational projects where a compact, reliable latching push button is appropriate. Notes for installation and compatibility Verify that your panel has a 16 mm cutout to accommodate the switch. This model is nonilluminated; there is no lighting or LED in the unit. The switch uses a 2pin electrical connection; ensure wiring compatibility with your control circuit. Specific electrical ratings (voltage, current) are not provided here; confirm suitability for your application prior to use. This description presents the product in a professional, clear, and credible manner, reflecting the provided brand, model, and feature details without adding unsupported information.