5 Best Marine Emergency Cutoff Switches (Reviews Updated 2022)

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Electronics are used on boats for multiple purposes. Lights require electricity, as do speakers, receivers, navigation systems and many other pieces of equipment. Where there are electronics, there will inevitably be switches. An emergency cutoff switch provides a quick way to cut off the electrical signal and improves general safety of a boat.

Best Marine Emergency Cutoff Switches

Here are our marine emergency cutoff switches reviews.

1. DCFlat Waterproof Marine Switch Panel

Dcflat Waterproof 3 Gang 4 Gang 6 Gang Circuit Led Car Marine Boat Rocker Switch Panel With Fuse

The DCflat Waterproof Marine Switch Panel is an innovative unique marine grade marine cutoff switch. This product allows for complete control over a variety of electrical switches. It is made to improve the generally safety of a boat where electricity is used.

  • Easy installation
  • 12V/24V DC power
  • Available in many colors/designs
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2. Sierra International Sierra MP28870 Emergency Cut-Off Switch

Sierra Mp28870 Emergency Cut Off Switch

The Sierra international Sierra MP28870 Emergency Cut-Off Switch is a high quality marine emergency cutoff switch. It seals out moisture and makes for easy reconnection. This cut off switch kills the ignition when lanyard is pulled.

  • Panel thickness up to ¼ inch
  • For use with conventional or magneto ignitions
  • Simple installation
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3. Sierra International MP40960 Emergency Cut-Off Switch

Sierra International Mp40960 Emergency Cut Off Switch

The Sierra International MP40960 is an affordable, quality marine emergency cutoff switch. This product is reliable and backed by Sierra’s industry leading warranty. It comes with a lanyard for added safety when in use.

  • Easy to install
  • 12V and 24V DC compatible
  • Available in 2 color designs
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4. Five Oceans Universal Emergency Cut-Off Switch

Five Oceans Universal Emergency Cut Off Switch With Coiled Lanyard Fo 1518

The Five Oceans Universal Emergency Cut-off Switch is a great product from a leading marine manufacturer. This cut off switch lanyard attaches to a life vest and instantly turns off engine when it is detached from a boat.

  • Includes 2 wire connectors
  • Snap hook red coil extendable lanyard
  • 5 amps at 12v DC
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5. Keenso Universal Boat Kill Switch

Universal Boat Outboard Motor Kill Stop Switch & Safety Tether Lanyard, 12v 2 Wires Motorcycle Engin

The Kennso Universal Boat Kill Switch is an affordable option when it comes to marine emergency engine cut-off switches. It is available in two different sizes. This product is easy to mount onto a boat or features a clip on lanyard.

  • Pull and push simple circuit closer
  • Universal fit
  • High quality ABS & nylon fiber inside
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Marine Emergency Cutoff Switches Buyer’s Guide

Choosing a marine emergency cutoff switch is an important investment for a boat owner.  Prices are not too high, usually around the $15-40 mark.  While the price may seem low, a good portable emergency cutoff switch is well worth investing in.  A portable emergency cutoff switch is not a required piece of equipment on a boat, but if the ignition needs killing in case of an emergency, it is a great tool to have.

Our buying guide reviews the best marine emergency cutoff switches on the market so you can choose the right marine emergency cutoff switch for your boat.   The following features are included on most marine emergency cutoff switches and will help you to choose which features you need on a marine emergency cutoff switch for your boat.


Lanyards are employed with stretch cords to make keeping hold of an emergency switch easier. Like with any electrical products, emergency cutoff switches should be fitted with certain safety protection features. These features include reverse polarity, spark-proof technology, thermal protection, ignition protection and protection from over charging. These features ultimately ensure that the battery emergency cutoff switch is as safe as possible and minimize the risk of anything going wrong.


Marine emergency cutoff switches are made of corrosion-resistant materials because they are installed on the boat where they may be exposed to and sea spray.  Common materials include stainless steel, plastics and other metals.  Be sure to buy a marine emergency cutoff switch that is made of high-quality materials for a long service life.  Stainless steel and durable plastic are the strongest and best choice for long term use.


Boat marine emergency cutoff switches are used to charge the batteries onboard a boat; therefore they need to give out certain amounts of power. Many emergency cutoff switches will give out 12v of power, whilst being compatible with 24v emergency cutoff switches too.

Ease of Installation

Marine emergency cutoff switches should ideally be quick and easy to install. Look for one which includes the necessary bolts and hardware this will speed up the process and have you out on the water using your marine emergency cutoff switch in no time.