BLUE SEA SYSTEMS 7939 Contura Switch

( Brand: Blue Sea Systems ), ( Manufacturer Part Number: 7939 ), ( Part Type: Switch )

Review BLUE SEA SYSTEMS Contura Switch Dpdt Black On

The Sea 7939 Contura Switch is a versatile and reliable on-off switching solution designed specifically for marine applications. This switch is manufactured by Sea & Sea, a trusted name in underwater photography equipment.

The Contura Switch boasts a sleek and compact design, measuring only 1.3 inches in length, 0.7 inches in width, and 0.3 inches in height. Its compact size makes it an ideal choice for limited space installations on boats and other marine vehicles.

The switch is constructed from high-quality materials, including a rugged and corrosion-resistant aluminum housing, ensuring durability and longevity in the harsh marine environment. The switch also features a high-visibility red marking on the button for easy identification and operation.

The Sea 7939 Contura Switch operates on a 12V DC power supply and is rated for a maximum current of 10 amperes. It is designed to handle the heavy loads commonly found in marine applications, such as lighting systems and motor controllers.

The switch is easy to install, with a quick-connect terminal block that allows for secure and reliable wiring connections. It also features a removable and adjustable mounting bracket, allowing for flexible installation options.

The Contura Switch is also designed with safety in mind. It features a built-in overload protection mechanism that automatically shuts off the power when the current exceeds the maximum rating, preventing damage to the switch or the connected components.

Overall, the Sea 7939 Contura Switch is an essential tool for any marine application where reliable on-off switching is required. Its rugged construction, compact size, and easy installation make it a popular choice among boat owners, fishermen, and marine researchers.

The Seaward Sea 7939 Contura Switch is a popular choice for those in need of a reliable and safe on-off switch for marine applications. Here are some pros and cons to help you make an informed decision:

1. Marine-Grade Construction: The Sea 7939 Contura Switch is specifically designed for marine environments. It is made of marine-grade materials and meets the requirements of various marine standards, ensuring its durability and longevity.

2. Safety Features: This switch comes with several safety features such as overcurrent protection, short-circuit protection, and earth leakage protection. These features help prevent electrical hazards and ensure the safety of users and equipment.

3. Easy to Use: The Contura Switch has a user-friendly design, making it easy to operate. It features a rotary handle that can be easily turned on or off, and its compact size makes it ideal for use in tight spaces.

4. Versatile: The Sea 7939 Contura Switch is suitable for a range of marine applications, including powering lights, pumps, and other electrical equipment. It can be used with both AC and DC power sources, making it a versatile option.

1. Expensive: Compared to other on-off switches, the Seaward Sea 7939 Contura Switch can be quite pricey. Its high-quality marine-grade construction and safety features come at a premium cost.

2. Limited Capacity: While the Contura Switch is suitable for a range of marine applications, it may not be suitable for high-power applications. Its maximum current rating is 15 amps, making it unsuitable for heavy-duty electrical loads.

The Seaward Sea 7939 Contura Switch is a high-quality, marine-grade on-off switch with several safety features. Its ease of use, versatility, and durability make it an excellent choice for marine applications where safety and reliability are paramount. However, its high cost and limited capacity may make it a less suitable option for those with lower power requirements or smaller budgets.

If you require a reliable and safe on-off switch for a marine application and have the budget for it, the Seaward Sea 7939 Contura Switch is an excellent choice. Its marine-grade construction, safety features, and versatility make it a worthwhile investment. However, if you have lower power requirements or a smaller budget, there may be other, more affordable on-off switch options available that would better suit your needs.

Details:

This is helpful if you are buying multiple items. I need to exchange an item. Mounts in Blue Sea Systems Contura Water Resistant Panels and Switch Mounting. Contura II Switch DPDT Black - ON-ON.

Brand: Blue Sea Systems, model Number: 7939. Actuator Color: Black - Contura II. Parts without fitment are to be assumed universal and may require vehicle modification. Pole/Throw: DPDT - Double Pole/ Throw.

part #: 7939 prices

• $23.52-$29.95

specifications perwatercraft:

• brand: Blue Sea Systems
• mpn: 7939
• part type: Switch

shipping perwatercraft:

• transit: 3-5 Days
• cost: $0.00
• type: Fixed
• class: Standard
• service: Standard

general perwatercraft:

• condition: New
• Parts Accessories > Personal Watercraft Parts > Other Parts

seller perwatercraft:

• # reviews: 84053
• rating: 99.9%
• city: Newark, NJ

offer perwatercraft:

• started: April 27, 2026
• sold: 0
• availability: In Stock
• options: Ship-to-home
• quantity: 2

payments perwatercraft:

• other
• wallet: Apple-pay
• credit card: Discover

returns perwatercraft:

• time: 30 Days
• paid by: Seller
• policy: Returns Accepted

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