Perko Fold-Down Combination Masthead/White All-Round Light, Horizontal Mount, 12V, 3NM

Overview

The Perko 1181DP0CHR is a fold-down combination masthead and white all-round light for sail or power driven vessels under 20 meters (65.6 ft.) in length. It combines both light functions in one assembly, carries a 3-mile USCG 3nm rating, and stands 14-1/4 inches high on a 3/4 inch anodized aluminum tube.

This horizontal-mount version uses a black polymer top and base with a clear polymer lens and gold-plated contacts. The reduced-glare layout helps cut light spill back toward the helm, which matters on night passages where stray light can wear on your eyes.

For fit checks, the base measures 2 inches by 1-1/2 inches with 1-3/8 inch center-to-center mounting dimensions and a #8 screw size. It comes set up for 12V use with two 10 watt bulbs, and it can be used on a 24V system with the correct 24V bulb change.

Key features

• Combination masthead and white all-round light with two separate light compartments in one unit
• 3-mile USCG 3nm certification for vessels under 20 meters (65.6 ft.)
• Horizontal fold-down mount with adjustable angle and 90 degree laydown in either direction
• Polymer adapters for flat or V-type mounting surfaces, plus a notch for through-base wiring
• Black polymer top and base, clear polymer lens, 3/4 inch anodized aluminum tube, and gold-plated contacts
• 12V setup with two included 10 watt bulbs, with 24V use possible when the bulb type is changed

Installation and setup

This light is built for horizontal mounting and works well where a fold-down assembly makes more sense than a fixed upright pole. The supplied adapters help it sit properly on flat or V-type surfaces, which is useful around windshield frames and similar mounting points where the base angle matters.

Wire planning is worth checking before installation. When underway, the forward compartment is used as the masthead light with the rest of the running lights, while both compartments are energized together for the white all-round anchor-light function, so the switching arrangement needs to be set up correctly for both modes.

Compatibility and fit

This model is a good match for small to midsize sailboats and powerboats that need a combined masthead and anchor light in one compact assembly. It suits layouts where mounting space is limited and where a horizontal base is easier to place than a vertical mount.

Check clearance for the 14-1/4 inch overall height when the light is upright and for the 2 inch by 1-1/2 inch base footprint at the mounting point. That is especially helpful around windshields, rails, canvas, and storage covers where a fold-down light can make day-to-day handling easier.

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