Sierra RK40120 Illuminated Poly Marine Rocker Switch Off-(On) SPST Momentary

The Sierra RK40120 is an illuminated poly marine rocker switch designed for demanding marine panel applications. Built with non-corrosive plastic (poly) construction, silver contacts, and brass blade terminals, this switch delivers reliable, corrosion-resistant performance in harsh marine environments.

This switch features an independent pilot light that provides dual-color status indication — illuminating white when panel lights are on, and switching to red when the rocker is in the active position. The soft spotlight design helps preserve night vision during low-light operation, making it ideal for helm panels and navigation consoles.

Key Features:

• Non-corrosive poly (plastic) construction for marine use
• Silver contacts and brass blade terminals for reliable conductivity
• Rated 20 amps @ 12V DC
• Independent pilot light — white when panel lights on, red when switch is active
• Soft spotlight illumination to preserve night vision
• Fits standard rectangular cutout: 0.830" x 1.45"
• Fits panels up to 0.187" thick
• Off-(On) momentary function — (On) indicates a momentary position

The Sierra RK40120 is part of Sierra International's line of quality marine electrical components, engineered to meet the rigorous demands of the marine environment. Its standard rectangular cutout dimensions make it compatible with most OEM and aftermarket marine switch panels.