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Switch - 3 Position Poly - Avail 7-26-25

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$29.99
SKU:
MMP39100
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Description

Dometic 3-Position Poly Switch | Boat Supply Store

Efficiently manage multiple marine DC circuits with this robust 3-position polymeric switch. Featuring a sealed construction rated to IP66 for superior water and dust ingress protection, it reliably handles up to 20 amps at 12 volts. Ideal for controlling essential onboard systems like bilge pumps, washdown pumps, or navigation lighting arrays on offshore fishing vessels operating in the Gulf Coast shallows.

Key Features

  • Control multiple circuits with a single unit.
  • Durable polymeric construction for longevity.
  • Sealed IP66 rating guards against water and dust.
  • Reliable 20A @ 12V DC rating.
  • Simple 3-position operation (ON/OFF/ON).
  • Compact design for easy panel integration.
  • Corrosion-resistant materials for marine environments.
  • Dependable switching for critical boat systems.

Specifications

Product Specifications
Number of Positions3
Switch TypeMomentary/Latching
MaterialPolymeric
Amperage Rating20 A
Voltage Rating12 V DC
IP RatingIP66

Who This Is For

Boaters requiring precise control over multiple independent electrical systems on their vessel. This switch is engineered for individuals seeking durable and sealed components for demanding marine applications.

How It Compares

FeatureDometic 3-Position Poly SwitchBlue Sea Systems
Number of Positions33
MaterialPolymericNylon
IP RatingIP66IP67
Max Amperage20A @ 12V15A @ 12V

Common Concerns Answered

Will this switch corrode in saltwater environments?

Constructed from robust polymeric materials, this switch is specifically designed to resist corrosion and withstand harsh marine conditions, ensuring long-term functionality in saltwater applications.

Is the IP rating sufficient for deck washdowns?

With an IP66 rating, the switch is protected against powerful water jets and heavy seas, making it suitable for areas exposed to frequent washdowns and spray.

Can this switch handle high-draw accessories?

The 20A @ 12V DC rating is substantial, allowing it to reliably manage circuits for bilge pumps, livewell pumps, or navigation lighting, provided the total draw does not exceed this limit.

Frequently Asked Questions

What are the three positions on this switch?

The three positions typically correspond to ON, OFF, and ON, allowing for different circuit configurations or dual operation modes.

What is the recommended mounting method for this switch?

This switch is designed for panel mounting, typically requiring a specific cutout diameter for secure installation within a marine electrical panel.

Is this switch suitable for continuous duty?

The 20A @ 12V DC rating indicates suitability for continuous operation, provided the load does not exceed its amperage capacity.

What type of wire gauge is compatible with the terminals?

While not explicitly stated, standard marine-grade ring terminals compatible with screw-down posts are generally used, accommodating typical wire gauges for 20A circuits.

Does this switch include wiring diagrams or installation instructions?

Refer to the product manual or manufacturer's website for specific wiring diagrams and installation guides. This model is listed with 'none' for ManualURL, so direct manufacturer resources are recommended.

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