Blue Sea Systems 2145B Contura Switch Momentary SPDT

Blue Sea Systems Contura Switch Red Gauge SPDT (ON)-OFF-(ON) (2145 / 2145B-BSS)

The Blue Sea Systems 2145 (2145B-BSS) is a heavy-duty, marine-grade Contura II/V Rocker Switch configured with Single Pole, Double Throw (SPDT) (ON)-OFF-(ON) momentary action. Designed for controlling reversible electric equipment—such as engine trim tabs, electric hatch lifters, power anchor windlasses, and horn circuits—it spring-returns to the center OFF position automatically when released by the operator.

Constructed with vibration-resistant internal silver alloy contacts, a weather-sealed actuator body, and red LED/gauge illumination compatibility, it installs into standard rectangular panel cutouts used across marine dashboards and 360 Panel systems. It is IP66 water-resistant from the front face and ignition protected for safe installation in gasoline engine compartments.

Key Features

• Momentary (ON)-OFF-(ON) Switching: Ideal for dual-direction motor control or intermittent signal activation (horn, windlass, trim).

• Vibration and Corrosion Resistant: Built with internal silver alloy contacts and nickel-plated brass terminals for saltwater longevity.

• IP66 Sealed Front Face: Impermeable to spray, rain, and heavy deck washdown when mounted with gasket.

• Ignition Protected (UL 1500 / ISO 8846): Vapor-proof design safe for installation in engine room compartments containing volatile gases.

• Standard Panel Compatibility: Fits standard 0.83" * 1.45" dashboard cutouts and Blue Sea Systems 360 panels.