1. Boat Deck & Cabin Hardware Deals
  2. sku: 8432624011342602
  3. DOMETIC TG40300

DOMETIC TG40300 Toggle Switch Spst 808282368456

fits model: Marine, Sierra.

Tg40300 Dometic Sierra Marine Toggle Switch On-off Spst

( Brand: Dometic ), ( Type: Toggle Switch ), ( Manufacturer Part Number: TG40300 ), ( UPC: 808282368456 ), ( Country Of Origin: Mexico ), ( Item Weight: 0.08 Lb )

Review DOMETIC Toggle Switch On off Spst fits SIERRA MARINE

The Dometic TG40300 Sierra Marine Toggle Switch is a durable and reliable solution for marine applications where on-off switching is necessary. This Single Pole, Single Throw (SPST) switch is designed to withstand the rigors of the marine environment, featuring a robust construction that is both waterproof and corrosion-resistant.

The switch measures 1.6 inches in length, 1.2 inches in width, and 1.2 inches in height, making it a compact and space-efficient addition to any marine electrical system. Its toggle design ensures easy operation, even with wet hands or while wearing gloves. The switch is rated for a maximum current of 10 amps at 125 volts AC or 250 volts DC, making it suitable for a wide range of marine electrical systems.

The Dometic TG40300 features a white toggle lever and a black housing, providing a clean and modern look that blends well with most marine electrical systems. The switch is also UL and CSA certified, ensuring compliance with the highest safety standards.

The switch terminal is located on the back of the unit, allowing for easy wiring. The terminals are screw type, providing a secure connection and ensuring that the switch remains in place even in rough seas. The switch also features a removable cover plate, making it easy to access the terminals for wiring or maintenance.

The Dometic TG40300 Sierra Marine Toggle Switch is an ideal choice for marine applications where a reliable and robust on-off switch is required. Its compact size, easy operation, and robust construction make it a must-have for any marine electrical system. Whether you're installing it for a navigation light, bilge pump, or other marine electrical component, you can trust the Dometic TG40300 to provide reliable performance for years to come.

A Detailed Analysis of the Dometic TG40300 Sierra Marine Toggle Switch

The Dometic TG40300 Sierra Marine Toggle Switch is a Single Pole, Single Throw (SPST) switch designed for marine applications. This switch is known for its durability and reliability. In this analysis, we will discuss the pros and cons of buying this toggle switch.

Pros:

1. Marine-Grade Durability: The toggle switch is designed with marine-grade materials, making it ideal for use in harsh marine environments. It is resistant to corrosion, UV rays, and other environmental factors.

2. Easy Installation: The switch comes with a standard 35mm diameter mounting hole, making it easy to install. It is also compatible with various wiring configurations.

3. High Current Capacity: The switch can handle up to 15 amps of current, making it suitable for powering various marine appliances.

4. Safety Features: The switch has a safety feature that prevents it from being turned on when the cover is removed, ensuring user safety.

5. Quality Construction: The switch is well-built and has a robust feel. It is made with a heavy-duty, die-cast aluminum housing and a UV-stabilized, polycarbonate cover.

Cons:

1. Price: The Dometic TG40300 is pricier than some other toggle switches on the market, which may be a deterrent for some users.

2. Limited Applications: Although the switch is suitable for various marine applications, it may not be the best choice for non-marine applications due to its marine-grade construction.

3. Size: The switch is larger than some standard toggle switches, which may require additional space for installation.

Conclusion:

The Dometic TG40300 Sierra Marine Toggle Switch is a high-quality, marine-grade switch that offers durability, reliability, and safety features. Its high current capacity and easy installation make it a great choice for powering various marine appliances. However, its price may be a drawback for some users. Ultimately, if you are looking for a toggle switch for marine applications, the Dometic TG40300 is a worthy investment.

Recommendation:

If you require a toggle switch for marine applications and are willing to invest in a high-quality, durable switch, the Dometic TG40300 Sierra Marine Toggle Switch is an excellent choice. Its marine-grade construction, safety features, and ease of installation make it a worthwhile investment for boat owners and marine electricians.

part # tg40300 prices

  • $16.00-$16.99

specifications scowware:

  • for models: Marine, Sierra
  • brand: Dometic
  • type: Toggle Switch
  • manufacturer part number: TG40300
  • upc: 808282368456
  • country of origin: Mexico
  • item weight: 0.08 Lb

returns scowware:

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

offer scowware:

  • sold: 0
  • availability: In Stock
  • started: April 30, 2026
  • quantity: 1
  • options: Ship-to-home

general scowware:

  • condition: New
  • Parts Accessories > Boat Parts > Deck Cabin Hardware

payments scowware:

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

seller scowware:

  • # reviews: 6853
  • rating: 99.4%

shipping scowware:

  • transit: 4-8 Days
  • class: Standard
  • type: Calculated
  • cost: $0.00
  • service: USPS Ground Advantage
  • carrier: USPS
for models: marine, sierra, type: toggle switch, country of origin: mexico, item weight: 0.08 lb,
category: boat parts > deck cabin hardware, sku: 8432624011342602,

Dometic TG40300 Is Similar To:

scowware logo
2 offers $16.00–$16.99 USD
  • Offer #1: $16.00 price + free delivery = $16.00* total. Ideal for marine applications, the Sierra Toggle Switch is a essential component for controlling various systems on board. The Sierra Marine Toggle Switch is a reliable and durable deck and cabin hardware item for boats.FREE SHIPPING
  • Offer #2: $16.99 price + free delivery = $16.99* total. It is illuminated, making it easy to locate and use in any lighting conditions. The Sierra Toggle Switch is a new on-off switch designed specifically for boats.FREE SHIPPING