Eaton Q18LT-WS RMQ16 Pushbutton Switch, Momentary, 1 NO, White Illuminated, Black Bezel, 16 mm, Screw Terminals, 5 A / 250 V AC 089202

Control panel builders and machine operators rely on the Eaton Q18LT-WS for clear, tactile command input in industrial environments. This flush-mount pushbutton switch from the RMQ16 series combines a black bezel with a white illuminated lens, offering immediate visual status feedback alongside a momentary 1 NO contact. With a 16 mm mounting diameter and screw terminals, it integrates into control circuits rated up to 5 A at 250 V AC. The front face withstands hose-down cleaning and dusty conditions, while the silver alloy contacts ensure reliable switching over a long service life.

Key specifications

• Switch type: Pushbutton, momentary operation
• Contact configuration: 1 NO (Normally Open)
• Illumination: Yes, white lens
• Bezel colour: Black
• Mounting diameter: 16 mm
• Terminal type: Screw terminals
• Rated operational current: 5 A
• Rated operational voltage: 250 V AC
• Degree of protection (front): IP65
• Degree of protection (terminals): IP20
• Operating temperature range: -25 to +60 °C
• Mechanical life: > 0.5 x 10^6 operations
• Electrical life: > 0.1 x 10^6 operations
• Actuator style: Flush
• Contact material: Silver alloy
• Housing material: Plastic
• Series: RMQ16

Why choose it

The Q18LT-WS delivers dependable switching with clear illuminated indication, reducing operator errors in fast-paced production settings. Its compact 16 mm footprint saves panel space, while the robust front seal (IP65) suits washdown areas. The silver alloy contacts provide low contact resistance and stable performance over hundreds of thousands of operations, minimizing maintenance downtime.

Ideal use cases

• Machine control panels requiring illuminated start or jog buttons
• Conveyor systems where operators need immediate visual confirmation
• Packaging machinery with frequent washdown cycles
• Test fixtures and control consoles in industrial labs

Good to know

The switch is designed for front-panel mounting with a 16 mm diameter hole. Screw terminals accept standard wire sizes for secure connections. The white illumination is provided by an integrated LED (voltage not specified; verify compatibility with your control voltage). The black bezel offers high contrast against light-coloured panels, enhancing visibility of the illuminated lens.