20 Best Battery Cutoff Switch [2022]

Are you looking for the best battery cutoff switch? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling battery cutoff switch.

We Recommended:

# Preview Product
1 Fastronix Solutions 2 Post High Current Master Battery Disconnect Switch with Face Plate Fastronix Solutions 2 Post High Current Master Battery Disconnect Switch with Face Plate
2 Top Post Knife Blade Master Switch, Ampper 12V / 24V Battery Disconnect Switch Isolator Power Cut... Top Post Knife Blade Master Switch, Ampper 12V / 24V Battery Disconnect Switch Isolator Power Cut...
3 Ampper Battery Switch, 12-48 V Battery Power Cut Master Switch Disconnect Isolator for Car, Vehicle,... Ampper Battery Switch, 12-48 V Battery Power Cut Master Switch Disconnect Isolator for Car,...
4 Battery Disconnect Switch Master,12V-48V Waterproof Power Isolator Switch 275Amps High Current for... Battery Disconnect Switch Master,12V-48V Waterproof Power Isolator Switch 275Amps High Current...
5 QuickCar Racing Products 55-010 Red 2-1/2' High x 2-1/2' Wide Handle Battery Master Disconnect... QuickCar Racing Products 55-010 Red 2-1/2" High x 2-1/2" Wide Handle Battery Master Disconnect...
6 Spurtar Top Post Battery Disconnect Switch Battery Master Shut Off Switch Isolator with Green Knob... Spurtar Top Post Battery Disconnect Switch Battery Master Shut Off Switch Isolator with Green...
7 Battery Switch, Briidea 12V-48V Battery Disconnect Master Power Cut-Off Switch for RV, ATV, Car,... Battery Switch, Briidea 12V-48V Battery Disconnect Master Power Cut-Off Switch for RV, ATV, Car,...
8 LotFancy Top Post Battery Master Disconnect Switch, 12V 24V Battery Kill Switch for Car Auto Truck... LotFancy Top Post Battery Master Disconnect Switch, 12V 24V Battery Kill Switch for Car Auto...
9 Ampper Battery Disconnect Switch, Isolator Cut Off Power Kill Master Battery Switch for Marine Car... Ampper Battery Disconnect Switch, Isolator Cut Off Power Kill Master Battery Switch for Marine...
10 Horsmile 1-2-Both-Off Battery Switch, 12V 24V 48V 275/1250 Amp Battery Kill Switch, Waterproof Heavy... Horsmile 1-2-Both-Off Battery Switch, 12V 24V 48V 275/1250 Amp Battery Kill Switch, Waterproof...
11 Ampper 12-24 V Master Battery Disconnect Switch, Battery Power Cut Isolator Killer for Car, Vehicle,... Ampper 12-24 V Master Battery Disconnect Switch, Battery Power Cut Isolator Killer for Car,...
12 Battery Switch, 12V 24V 48V Battery Disconnect Master Cutoff Switch for Marine Boat RV ATV UTV... Battery Switch, 12V 24V 48V Battery Disconnect Master Cutoff Switch for Marine Boat RV ATV UTV...
13 Audewdirect Battery Switch 12-48v Waterproof Battery Switch 12v Marine Battery Power Cut On/Off... Audewdirect Battery Switch 12-48v Waterproof Battery Switch 12v Marine Battery Power Cut On/Off...
14 Top Post Battery Disconnect Switch, Ampper Battery Master Switch Isolator for Power Disconnect Cut... Top Post Battery Disconnect Switch, Ampper Battery Master Switch Isolator for Power Disconnect...
15 Ampper Side Post Battery Disconnect Switch, Battery Master Switch Isolator for Power Disconnect Cut... Ampper Side Post Battery Disconnect Switch, Battery Master Switch Isolator for Power Disconnect...
16 LotFancy 12V-24V Side Post Car Battery Disconnect Switch for Auto Truck Vehicle Rv Boat Marine, Car... LotFancy 12V-24V Side Post Car Battery Disconnect Switch for Auto Truck Vehicle Rv Boat Marine,...
17 BANG4BUCK 12V 20701 Master Battery Disconnect Switch Kill 2 Post SPST Kill Cutoff 125 Amps with... BANG4BUCK 12V 20701 Master Battery Disconnect Switch Kill 2 Post SPST Kill Cutoff 125 Amps with...
18 Battery Disconnect Switch, 12V-48V Battery Cutoff Switch Master for Marine Boat RV ATV UTV Camper... Battery Disconnect Switch, 12V-48V Battery Cutoff Switch Master for Marine Boat RV ATV UTV Camper...
19 AWBLIN Battery Disconnect Switch 12V 24V 48V Master Isolator Cut Off Switch for Marine Boat Car... AWBLIN Battery Disconnect Switch 12V 24V 48V Master Isolator Cut Off Switch for Marine Boat Car...
20 Nilight - 90015A Battery Switch 12-48V Waterproof Heavy Duty Battery Power Cut Master Switch... Nilight - 90015A Battery Switch 12-48V Waterproof Heavy Duty Battery Power Cut Master Switch...
SaleBestseller No. 1
Fastronix Solutions 2 Post High Current Master Battery Disconnect Switch with Face Plate
  • Rated to 180A Continuous or 1000A Intermittent
  • Mounts in 3/4" Hole
  • Provides Single Power Cut off to Entire Electrical System
  • Required for NHRA Competition When Battery is Relocated
  • Works Great As a Power Disconnect for RV's When Not in Use
Bestseller No. 2
Top Post Knife Blade Master Switch, Ampper 12V / 24V Battery Disconnect Switch Isolator Power Cut...
  • Compatible: used for top post terminal, 15-17 mm cone / tapering battery NEGATIVE post only, DC 12V-24V system, 200A continuous and 600A momentary at...
  • Convenience: vertical knife blade type, easy to install & simple to use. Lift the knife, then power will cut.
  • Heavy Duty: solid brass made, rust and corrosion resistant, durable made for safety use.
  • Purpose: used for battery to isolate and secure the electrical system, eliminate any power draw from the battery when vehicle or boat is not in use,...
  • Used for Car, Vehicle, RV and Boat batteries which have a standard 15-17 mm cone top post terminal, also used for electrical equipment.
Bestseller No. 3
Ampper Battery Switch, 12-48 V Battery Power Cut Master Switch Disconnect Isolator for Car, Vehicle,...
  • Heavy Duty: ABS plastic housing, durable made for safety use, rear cover insulates terminals against any short of circuits, equiped with 4 sets of...
  • Operation: On/Off 2 positions, 275 A continuous at DC 12V, 455 A intermittent at DC 12V, 1250 A momentary at DC 12V.
  • Compatible: used for DC 12 - 48 V systems to isolate and secure the electrical system, can stand alone or be locked together with other switch.
  • Purpose: eliminate any power draw from the battery when vehicle or boat is not in use, disconnects the battery safely.
  • Copper terminal stud size: 3/8" (10 mm) x 2, very easy to install, universal used for car, vehicle, Rv and boat, also electrical equipment's switch.
Bestseller No. 4
Battery Disconnect Switch Master,12V-48V Waterproof Power Isolator Switch 275Amps High Current for...
  • Simple Operation:Switch on = Power; Switch off = No power.Rating: 275A DC Continuous (1hr), 455A DC Intermittent (5 min), 1250A DC Cranking (10 sec);...
  • Durable Material: This battery disconnect switch is made of ABS plastic housing, tinned copper studs and nuts.Come with 4 stainless steel mounting...
  • Safety Protection:battery shut off switch can disconnects the battery safely, protect batteries from excessive drain when vehicle or boat is not in...
  • Great Compatibility:This battery quick disconnect is used for DC 12 - 48V systems to isolate and secure the electrical system, can stand alone or be...
  • Wide Application:universal used not only for Car, Van, Caravan, RV, Truck, Marine Boat, but also electrical equipment's switch, such as flashing...
Bestseller No. 5
QuickCar Racing Products 55-010 Red 2-1/2" High x 2-1/2" Wide Handle Battery Master Disconnect...
  • Rotary Switch
  • Panel Mount
  • 125 amp 12V
  • Aluminum On / Off Panel
  • Fit type: Vehicle Specific
SaleBestseller No. 6
Spurtar Top Post Battery Disconnect Switch Battery Master Shut Off Switch Isolator with Green Knob...
  • 【Compatible】 Spurtar battery disconnect switch is suitable for most top post terminal(15-17 mm cone battery negative post), use under the...
  • 【Durable】 Brass battery quick disconnect switch made of heavy duty solid brass, waterproof, protect from rust and corrosion, durable made, safety...
  • 【Safety】 Battery Cut Off Switch is designed to cut-off power flowing to the battery to avoid unauthorized use of your vehicle or unwanted battery...
  • 【Application】 Car battery disconnect switch protects everything from cars to boats to semis with this knob, handling 12V of up to 125A continuous...
  • 【Easy to use】 Make sure the negative battery post and battery clamp (original battery connector) clean before install. To engage power by hand...
Bestseller No. 7
Battery Switch, Briidea 12V-48V Battery Disconnect Master Power Cut-Off Switch for RV, ATV, Car,...
  • MATERIAL: Our battery switch made of ABS plastic, housing to resist the harsh marine conditions, durable made of safety use
  • EASY OPERATION: This RV battery switch is easy to install, with ON/OFF position in green and red color labels. Switch ON is means Power (green),...
  • COMPATIBILITY: The marine battery disconnect used for DC 12-48V system to isolate and secure the electrical system, can stand alone or be locked...
  • SAFE PROTECTION: Battery isolator switch comes with CE certified, rear cover insulates terminals against any short of circuits, equiped with 4 sets of...
  • WIDE APPLICATION: Our Briidea battery switch is widely used for Car, Marine, Boat, RV, Camper, Travel Trailer, Truck, ATV, UTV, and electrical...
Bestseller No. 8
LotFancy Top Post Battery Master Disconnect Switch, 12V 24V Battery Kill Switch for Car Auto Truck...
  • 【COMPATIBLE】This top mount battery disconnect switch is easy to install on Negative battery top post (Only). Rated 500 amps surge and 125 amps...
  • 【EASY TO USE】This compact knob style battery disconnect switch is installed directly onto a battery terminal and work by unscrewing or tightening...
  • 【HIGH QUALITY】Our top post battery cutoff switch is made of Zinc Alloy Copper Plating. It features superior performance and good conductivity....
  • 【WIDELY APPLICATION】This battery shutoff switch is ideal for cars, boats, trucks, RVs, Vehicles, motor homes, jet skis, motorcycles, race cars and...
  • 【NO BATTERY DRAIN】This battery isolator switch provides a reliable way to shut down electrical power during maintenance and protect batteries from...
Bestseller No. 9
Ampper Battery Disconnect Switch, Isolator Cut Off Power Kill Master Battery Switch for Marine Car...
  • Operation: used for DC 12-24 V systems, On/Off 2 position, rated current: 100A (12V ), Max. withstanding current: 150A (12V ).
  • Heavy Duty: ABS plastic and solid brass nuts / washers, rust and corrosion resistant, durable made for safety use.
  • Convenience: easy to install & simple to use, 2 removable keys, waterproof cover for key hole.
  • Purpose: used for battery to isolate and secure the electrical system, eliminate any power draw from the battery when vehicle or boat is not in use,...
  • Size: 2 brass terminals: 3/8", 2 mounting holes: 3/16". Used for Car, Vehicle, RV and Boat, also electrical equipment's switch.
Bestseller No. 10
Horsmile 1-2-Both-Off Battery Switch, 12V 24V 48V 275/1250 Amp Battery Kill Switch, Waterproof Heavy...
  • COMPATIBLE - Used for DC 12 - 48V systems to isolate and secure the electrical system. The Contour Locking System allows it stand-alone or locked...
  • OPARATION - 1-2-both-off positions, 275 A continuous at DC 12V, 455 A intermittent at DC 12V, 1250 A momentary at DC 12V.
  • HIGH QUALITY - ABS rotary knob, reinforced nylon housing, sturdy and durable. Four detachable side covers provide access to up to 1/0 cables. Rear...
  • WIDE APPLICATION - The battery switch is widely used for car, marine, boat, RV, camper, travel trailer, truck, ATV, UTV, battery banks, and other...
  • BUY WITH CONFIDENCE - Welcome to contact us any time, we will solve any problem for you in time. If you are not 100% satisfied with your purchase,...
Bestseller No. 11
Ampper 12-24 V Master Battery Disconnect Switch, Battery Power Cut Isolator Killer for Car, Vehicle,...
  • Heavy Duty: all aluminium housing, durable made for safety use. Mounts in 3/4" hole, equiped with a face plate.
  • Operation: On/Off 2 positions, 200 A continuous at DC 12V, 400 A momentary at DC 12V.
  • Compatible: used for DC 12 - 24 V systems to isolate and secure the electrical system, can stand alone or be locked together with other switch.
  • Purpose: eliminate any power draw from the battery when vehicle or boat is not in use, disconnects the battery safely.
  • Copper terminal stud size: 3/8" (10 mm) x 2, very easy to install, universal used for car, vehicle, Rv and boat, also electrical equipment's switch.
SaleBestseller No. 12
Battery Switch, 12V 24V 48V Battery Disconnect Master Cutoff Switch for Marine Boat RV ATV UTV...
  • 【EASY OPERATION】Rating: 275A DC Continuous (1hr), 455A DC Intermittent (5 min), 1250A DC Cranking (10 sec); Stud Size: 2x3/8" (10mm); Switch on =...
  • 【DURABLE MATERIAL】This battery master switch is made of durable plastic housing, tinned copper studs and nuts. Come with 4 stainless steel...
  • 【COMPATIBLE】This battery disconnect switch is used for DC 12 - 48V systems to isolate and secure the electrical system, can stand alone or be...
  • 【NO MORE BATTERY DRAIN】This battery isolator switch provides a reliable way to shut down electrical power during maintenance and protect batteries...
  • 【WIDE APPLICATION】This battery kill switch is widely used for Car, Marine, Boat, RV, Camper, Travel Trailer, Truck, ATV, UTV, Battery banks and...
Bestseller No. 13
Audewdirect Battery Switch 12-48v Waterproof Battery Switch 12v Marine Battery Power Cut On/Off...
  • 【Safety】 This marine battery switch safely disconnects the battery and eliminates any power draw from the battery when the vehicle or boat is not...
  • 【Voltage】 The rated current of this main battery switch waterproof is 275 amps continuously at 12V DC and 1250 amps instantly.
  • 【Wide Range of Use】 The marine battery switch 12-48v is suitable for automotive electronics, electrical products and various 12V/24V cars, boats,...
  • 【Easy to Use】 Our battery disconnect switch is easy to install and operate. 2 positions for on/off, 2 mounting screws (3/8'' diameter (10mm)).
  • 【Simple Structure】 Compact size, ABS housing, brass terminals, rugged Removable back cover isolates rear terminals for short circuit.
Bestseller No. 14
Top Post Battery Disconnect Switch, Ampper Battery Master Switch Isolator for Power Disconnect Cut...
  • Compatible: used for top post terminal, 15-17 mm cone battery negative post only, DC 12 V system, rated current: 125 A, On/Off 2 position.
  • Convenience: knob type, easy to install & simple to use. Loose / twist of the knob, then power will cut.
  • Heavy Duty: solid made, rust and corrosion resistant, durable made for safety use.
  • Purpose: used for battery to isolate and secure the electrical system, eliminate any power draw from the battery when vehicle or boat is not in use,...
  • Used for Car, Vehicle, RV and Boat batteries which have a standard 15-17 mm cone top post terminal, also used for electrical equipment.
Bestseller No. 15
Ampper Side Post Battery Disconnect Switch, Battery Master Switch Isolator for Power Disconnect Cut...
  • Compatible: with a long bolt, used for side post terminal, battery negative post 3/8" hole only, DC 12 V system, rated current: 125 A, On/Off 2...
  • Convenience: knob type, easy to install & simple to use. Loose / twist of the knob, then power will cut.
  • Heavy Duty: solid made, rust and corrosion resistant, durable made for safety use.
  • Purpose: used for battery to isolate and secure the electrical system, eliminate any power draw from the battery when vehicle or boat is not in use,...
  • Used for GM side post batteries or other batteries which have a 3/8" side post terminal, also used for electrical equipment.
Bestseller No. 16
LotFancy 12V-24V Side Post Car Battery Disconnect Switch for Auto Truck Vehicle Rv Boat Marine, Car...
  • 【COMPATIBLE】This side mount battery disconnect switch is easy to install on Negative battery side post (Only). Rated 500 amps surge and 125 amps...
  • 【EASY TO USE】This compact knob style battery disconnect switch is installed directly onto a battery terminal and work by unscrewing or tightening...
  • 【HIGH QUALITY】Our side post battery cutoff switch is made of Zinc Alloy Copper Plating. It features superior performance and good conductivity....
  • 【NO BATTERY DRAIN】This battery isolator switch provides a reliable way to shut down electrical power during maintenance and protect batteries from...
  • 【WIDELY APPLICATION】This battery shutoff switch is ideal for cars, boats, trucks, RVs, Vehicles, motor homes, jet skis, motorcycles, race cars and...
Bestseller No. 17
BANG4BUCK 12V 20701 Master Battery Disconnect Switch Kill 2 Post SPST Kill Cutoff 125 Amps with...
  • Sturdy and durable shut off switch; replace part number: 20701, 062790.(please refer to the size on the left picture)
  • Operations: Click when turn On and Off; high current; continuous rating of 20 amps at 12V and 40 amps at 6V; momentary rating of 125 amps at 12V and...
  • Switch Activation: Manual. Locate in Emergency with Handle; Mounts in 3/4" hole, Copper terminal stud size: 3/8"
  • Benefits: Quick cut-off electrical power, help protect against electrical fires and theft when equipment is not in use; provide a reliable way to...
  • Spliced to battery cable; very easy to install; universal used for trucks, cars, RVs, trailers, boats, marine applications, or any vehicle where a...
Bestseller No. 18
Battery Disconnect Switch, 12V-48V Battery Cutoff Switch Master for Marine Boat RV ATV UTV Camper...
  • Universal battery isolator switch: this battery kill switch is universal applied for RV, marine, car, boat, travel trailer, truck, ATV, UTV battery...
  • Simple operation: this RV battery disconnect switch is easy to install; With ON/ OFF 2 positions in clear color labels, ON (green) represents the...
  • Heavy duty isolator switch: this battery master switch is made of reliable ABS plastic housing; The rear cover insulates terminals against any short...
  • Safe and efficient: this boat battery switch comes with CE certified, providing a reliable way to shut down electrical power during maintenance and...
  • Package include: you will get 2 pieces of battery disconnect switch masters, and 8 pairs of mounting bolts; Safe to help you disconnect the battery...
Bestseller No. 19
AWBLIN Battery Disconnect Switch 12V 24V 48V Master Isolator Cut Off Switch for Marine Boat Car...
  • STURDY & FULLY ENCLOSED SHUT OFF SWITCH: The Heavy Duty Cut Off Switch is made of ABS plastic housing and copper tin plating inner stud. Fully...
  • COMPATIBILITY & SAFETY: This Battery Kill Switch Used for DC 12 - 48V systems to isolate and secure the electrical system; eliminate any power draw...
  • EASY TO OPERATE: On/Off 2 position, Suitable for various 12 V/24 V/48 V systems. Current voltage: rating at 275 A continuous (1 hour) at 48 V DC and...
  • WIDELY APPLICATION: Battery isolator switch is universal used for RV, Marine, Car, Boat, Camper, Travel Trailer, Truck, ATV, UTV battery and other...
  • PACKAGE INCLUDE: Equiped with 1* Battery Switch, 4 Pcs Mounting Bolts, 4 Pcs 2*3/8 Copper Ring Terminals, 4 Pcs Heat Shrink Tubings and a hex wrench,...
Bestseller No. 20
Nilight - 90015A Battery Switch 12-48V Waterproof Heavy Duty Battery Power Cut Master Switch...
  • Heavy Duty: ABS plastic housing, durable made for safety use, rear cover insulates terminals against any short of circuits, equipped with 4 sets of...
  • Operation: On/Off 2 positions, 275 A continuous at DC 12V, 455 A intermittent at DC 12V, 1250 A momentary at DC 12V.
  • Compatible: used for DC 12 - 48V systems to isolate and secure the electrical system, can stand alone or be locked together with other switch.Its...
  • Widely used for car, marine boat, RV, camper, travel trailer, truck, ATV, UTV, battery banks and other devices.
  • Package include:1x On/Off battery switch,4 bolts incuded.

Having trouble finding a great battery cutoff switch?

This problem is well understood by us because we have gone through the entire battery cutoff switch research process ourselves, which is why we have put together a comprehensive list of the best battery cutoff switchs available in the market today.

After hours of searching and using all the models on the market, we have found the best battery cutoff switch for 2022. See our ranking below!

How Do You Buy The Best Battery Cutoff Switch?

Do you get stressed out thinking about shopping for a great battery cutoff switch? Do doubts keep creeping into your mind?

We understand, because we’ve already gone through the whole process of researching battery cutoff switch, which is why we have assembled a comprehensive list of the greatest battery cutoff switch available in the current market. We’ve also come up with a list of questions that you probably have yourself.

John Harvards has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for battery cutoff switch that you consider buying. Your questions might include the following:

  • Is it worth buying an battery cutoff switch?
  • What benefits are there with buying an battery cutoff switch?
  • What factors deserve consideration when shopping for an effective battery cutoff switch?
  • Why is it crucial to invest in any battery cutoff switch, much less the best one?
  • Which battery cutoff switch are good in the current market?
  • Where can you find information like this about battery cutoff switch?

We’re convinced that you likely have far more questions than just these regarding battery cutoff switch, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for battery cutoff switch, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible battery cutoff switch. Make sure that you are only using trustworthy and credible websites and sources.

John Harvards provides an battery cutoff switch buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information.

How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available battery cutoff switch currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of battery cutoff switch has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an battery cutoff switch?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your battery cutoff switch.
  5. Customer Ratings: Number ratings grade battery cutoff switch objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their battery cutoff switch.
  7. Product Quality: You don’t always get what you pay for with an battery cutoff switch, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an battery cutoff switch is should be an indication of how long it will work out for you.

John Harvards always remembers that maintaining battery cutoff switch information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding battery cutoff switch is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly!

Related Post:

FAQ:

Q: How to disconnect auto battery?

A: 1. Take the necessary precautions before you try to disconnect your battery. Besides holding a potentially lethal electrical charge, batteries …Turn off the ignition.Wear safety goggles and gloves to protect your eyes and hands. {“smallUrl”:”https://www.wikihow.com/images/thumb/8/88/Disconnect-a-Car-Battery-Step-2-Version-7.jpg/v4-460px-Disconnect-a-Car-Battery … 3. Determine what size socket you need to loosen the nut on the negative terminal. Always work on the negative terminal before the positive when …

Q: How do you disconnect a car battery?

A: Steps to disconnect a car battery Step 1: First of all, make sure you turn off the engine and remove your car key from the ignition. Step 2: Open the hood and put a pad over the fender to protect it from corrosive battery acid. Step 3: Locate the negative terminal.

Q: What is a RV battery disconnect switch?

A: When the switch is activated the batteries are disconnected/isolated and no longer supply 12-volt power to the house portion of the RV. A Factory Installed Battery Disconnect Switch is usually a rocker switch that is located in the RV marked as “Battery” or “Battery Disconnect” or any abbreviation of those words.

Q: What is a thermal cutoff switch?

A: A thermal cutoff is a device used to break an electrical circuit when it reaches a certain temperature. By cutting off electrical power at certain temperatures, this type of device protects the other components of the circuit from damage. It is available in two varieties: thermal fuses and thermal switches.