Will the car or device be damaged if someone attempts to start the car with the cutoff switch engaged?

No! There’s no output from the battery when the switch is off so you can’t start the car

How does cable fix to isolate switch

Here is the installation step: 1-Remove negative cable 2-Install switch on negative pole 3-Install cable on switch end with hole 4- Connect/ Disconnect battery

Can this be fitted to either terminal?

No. This should be fitted to the negative terminal.

What stops the green tap working loose through vibration?

mine is on a classic mini which vibrates a lot and hand tight it has never vibrated loose.

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Top Post Battery Disconnect Switch, Green

Product ID: 91173780

Details

Brand
Spurtar
Circuit type
1-way
Connector type
Clamp
Contact type
Normally Open
Current rating
125 Amps
Material
Copper-plated

⚡500A momentary surge capacity

🔋125A continuous current

🛠️Heavy-duty solid brass build

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¥3366

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In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔋 Twist, Lock & Power Off – Stay Charged, Stay Ahead!

SURGE READY SAFETY - Handles up to 125A continuous and 500A momentary current to protect your vehicle’s electrical system.
POWER CUT WITH A TWIST - Easily isolate your battery with a simple 45° turn of the green knob for instant peace of mind.
UNIVERSAL COMPATIBILITY - Fits most 15-17mm top post negative battery terminals across cars, trucks, RVs, and boats.
BUILT TO BRAVE THE ELEMENTS - Waterproof, rust-resistant solid brass construction ensures durability and long-lasting performance.
EFFORTLESS INSTALLATION USE - No tools needed—just clean the terminal, twist the knob, and secure your battery from unwanted drain.

The Spurtar Top Post Battery Isolator Switch is a robust, easy-to-use rotary kill switch designed for 12V systems, delivering 125A continuous and 500A surge current capacity. Crafted from heavy-duty brass for corrosion resistance, it fits standard 15-17mm negative battery posts on cars, trucks, RVs, and boats, providing a quick, reliable way to prevent battery drain and unauthorized use with a simple twist of its vibrant green knob.

Specifications

ASIN	B075CK7W3Z
Actuator Type	Rotary
Best Sellers Rank	1,288 in Automotive ( See Top 100 in Automotive ) 4 in Car Battery Switches
Brand	Spurtar
Circuit Type	1-way
Colour	Green
Compatible Devices	Cars, Trucks, RVs, Boats, Semis, Motorcycles, Vehicles with 12V batteries and 15-17 mm cone negative post
Compatible with Vehicle Type	Cars, Trucks, RVs, Boats, Motorcycles, Semis
Connectivity Protocol	Wi-Fi
Connector Type	Clamp
Contact Material	Copper
Contact Type	Normally Open
Control Method	Push Button
Control Type	Manual
Controller Type	Mechanical knob
Country Of Origin	China
Current Rating	125 Amps
Customer Reviews	4.4 4.4 out of 5 stars (4,164)
Included Components	1 x Battery Isolator Switch 12V 24V
International Protection Rating	IP00
Manufacturer	Spurtar
Manufacturer Part Number	KC-150122
Material	Copper-plated zinc
Model Number	560026
Mounting Type	Surface Mount
Number of Items	1
Number of Positions	2
Operating Voltage	12 Volts
Operation Mode	ON-OFF
Specification Met	CE
Switch Type	Rotary
Terminal	Screw
UPC	655302160992
Unit Count	1.0 count
Wattage	1500 watts

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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TrustScore 4.5 | 7,300+ reviews

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The delivery time was excellent, and the packaging was secure.

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