Battery Isolator Switch With 1 Key, 12V/24V Automotive Car Battery Cut Off Switch Emergency Power Cut Off Switch With

A vehicle left standing for a month often refuses to turn over, because alarms, trackers and head units keep drawing long after the key is out. A keyed isolator on the battery breaks that circuit completely, so the boat, the camper or the paddock ute still starts when you come back to it.

Turn the key, break the circuit

The switch has two positions and is worked with the supplied red key. The supplier notes that the key locks in place while the switch is on and only pulls out once power is off, so the key in your hand is proof the circuit is open. It fits to the negative cable and needs terminals with an 8 mm diameter hole — the one measurement worth checking against your own lugs before ordering.

Built to sit out in the weather

The body is 57.5 x 57.5 x 69 mm and weighs around 138 g, so it mounts on a battery box wall or a bulkhead without extra bracing. A cap covers the keyhole, which the supplier says keeps dust and water out — worth having on a boat or an open tray. The bright red key is hard to miss when you are checking whether power is off. The supplier also promotes the switch as a theft deterrent.

Key features

• Key-operated on/off: two positions, key removable only in the off position.
• 12 V and 24 V DC: the supplier lists both, covering cars, four-wheel drives, trucks, boats and campers.
• Negative-side fitment: mounts on the earth cable using 8 mm terminal holes.
• Weather cap included: covers the keyhole against dust and water.

Specifications

• Voltage: DC 12 V / 24 V
• Body size: 57.5 x 57.5 x 69 mm
• Key size: 60 x 22 x 52 mm
• Weight: approx. 138 g
• Terminal hole required: 8 mm diameter
• Colour: black body, red key
• Material: the supplier lists plastic and iron in one line, brass and flame-retardant nylon in another, so treat it as unconfirmed
• Current rating: not published by the supplier

What's in the box

• 1 x battery disconnect switch
• 1 x red key
• 1 x waterproof protective cap

Safety notes before fitting

• No amp rating is published for this switch. Confirm a rating that suits your starter and charging loads before wiring it in.
• Check your battery terminal lugs take an 8 mm bolt before ordering.
• The supplier does not state that it can be switched under load, so shut the engine down first.
• Battery and earth cable work should be done by a qualified person, with the vehicle checked before it returns to the road.

Cheap enough to fit to anything that sits idle between trips.

Returns, Refunds and Replacements

Products that are received faulty, damaged, or not as described are eligible for a return, refund, or replacement in accordance with the Australian Consumer Law (ACL). We are committed to ensuring all products meet the standards of quality and reliability expected by our customers. However, please note that we do not accept returns or provide refunds for change of mind. We encourage you to carefully consider your purchase to ensure it meets your needs and expectations.

Delivery Timeframe

Please note that we cannot guarantee the exact date of arrival, and the delivery timeframes (excluding weekends and public holidays) are as follows:

• For customers in Victoria, approximately 7-10 working days;
• For customers in NSW, SA, ACT, and QLD, approximately 9-12 working days;
• For customers in WA, NT, and TAS, approximately 9-12 working days.