OEX ACX3455 | 12 or 24V 200A Battery Master Switch | Isolation On - Off - SPST Contacts Rated
OEX ACX3455 | 12 or 24V 200A Battery Master Switch | Isolation On - Off - SPST Contacts Rated
OEX ACX3455 | 12 or 24V 200A Battery Master Switch | Isolation On - Off - SPST Contacts Rated
OEX ACX3455 | 12 or 24V 200A Battery Master Switch | Isolation On - Off - SPST Contacts Rated
OEX ACX3455 | 12 or 24V 200A Battery Master Switch | Isolation On - Off - SPST Contacts Rated
OEX ACX3455 | 12 or 24V 200A Battery Master Switch | Isolation On - Off - SPST Contacts Rated
OEX ACX3455 | 12 or 24V 200A Battery Master Switch | Isolation On - Off - SPST Contacts Rated
OEX ACX3455 | 12 or 24V 200A Battery Master Switch | Isolation On - Off - SPST Contacts Rated
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OEX ACX3455 | 12 or 24V 200A Battery Master Switch | Isolation On - Off - SPST Contacts Rated

SKU: ACX3455
Price
$44
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Shipping information

We offer fast and reliable shipping options to ensure that your order arrives in a timely manner. Our dedicated team works diligently to process and ship your items as quickly as possible.

Here are some key points to note about our shipping policy:

Standard Shipping

  • Frankies offers a $15.95 flat rate for Australia-wide shipping, no matter how many items you order. Some larger or heavier items may incur an additional fee, which will be communicated to you when your order is processed.
  • While we endeavour to dispatch all orders promptly, please be advised that due to the current national fuel shortages in Australia and the resulting pressure on logistics networks, order processing and dispatch may take up to 7 business days. We are not liable for delays caused by third-party freight carriers or fuel-related logistical disruptions. By placing an order, you acknowledge that delivery timeframes may be extended beyond our standard estimates during this period.

Estimated delivery times:

  • WA, NT, and TAS: currently experiencing longer shipping times
  • Holiday periods (e.g. Christmas): deliveries may be delayed due to increased freight volumes

Express Shipping

  • Express shipping is available and calculated based on your delivery location, as well as the size and weight of your order. To receive an accurate quote, please contact our Albion Park Rail store and request an "express shipping quote." Our team will promptly assist with pricing and availability. Payment for express shipping can be securely arranged over the phone.

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Product features

Marine Grade Battery Master Isolation Switch for 12V and 24V Systems

Product Overview

The OEX ACX3455 is a marine grade battery master isolation switch rated at 200A continuous at 12V or 24V, with a two-position On/Off SPST configuration and a 55 x 55mm square mounting footprint. Sitting between the ACX3409 (75A, 12V) and the ACX3412 (275A, 12–48V) in the OEX battery master switch range, the ACX3455 covers the most common mid-range current requirement for passenger vehicle, 4WD, caravan, and marine battery isolation at a current rating suited to most standard vehicle main circuits and dual battery installations.

The marine grade construction makes it particularly well suited to boat and watercraft installations where corrosion resistance and reliable contact quality in damp, salt-laden environments are essential. The 55 x 55mm square mount suits standard marine and automotive panel cutouts and can be used for both panel surface mount and recessed installations. Terminal specifications including stud size and thread are not detailed in the supplier data confirm with OEX before selecting cable lugs and ring terminals for this switch.

Features & Benefits

  • 200A continuous at 12V or 24V — rated for main battery isolation in passenger vehicles, 4WDs, caravans, and marine vessels on both 12V and 24V systems
  • Marine grade construction — built to withstand the corrosive, moisture-rich environments typical of marine installations
  • Two-position On/Off (SPST) — straightforward single-pole single-throw operation for clean, simple battery disconnect
  • 55 x 55mm square mount — standard square panel mount footprint common in marine switch panels and automotive fuse boxes
  • 12V and 24V compatible — broader voltage compatibility than the ACX3409 (12V only)

Technical Specs

Specification Detail
Part Number ACX3455
Brand OEX
Type Battery Master / Isolation Switch
Switch Action On/Off (SPST)
Poles 1
Positions 2
Amp Rating 200A at 12V or 24V
Mount Dimensions 55 x 55mm
Terminal Stud Size Confirm with supplier
Illumination Non-illuminated
Pack Quantity 1
Warranty 1 Year

Compatible With

Suitable for main battery isolation in:

  • Marine vessels and watercraft requiring a main battery disconnect
  • 12V and 24V passenger vehicles and 4WDs
  • Caravans and camper trailers requiring battery isolation for safe storage
  • Dual battery and auxiliary power installations requiring a mid-range 200A isolation switch
  • Any 12V or 24V application requiring a marine grade main battery disconnect rated to 200A

Weight

0.2kg

Frequently Asked Questions

What is a battery master isolation switch used for?

A battery master isolation switch provides a single point of disconnect between the battery and the vehicle or vessel's electrical system. It is used for safe servicing — preventing accidental starts and short circuits during electrical work — for extended storage to prevent battery drain, and as a basic anti-theft measure. The marine grade construction of the ACX3455 makes it particularly well suited to boat and watercraft installations.

How does this compare to the ACX3409 and ACX3412?

The ACX3409 is rated at 75A at 12V only, with an 8mm stud and a 24mm round mount. The ACX3455 is rated at 200A at 12V or 24V, with a 55 x 55mm square mount and marine grade construction. The ACX3412 is rated at 275A across 12–48V with a 10mm stud, self-cleaning contacts, and a 52mm recessed mount option. Choose the ACX3455 for a mid-range marine or dual-voltage application; choose the ACX3409 for a compact 12V-only installation; choose the ACX3412 for the highest current rating and widest voltage range.

What terminal size does this switch use?

Terminal stud size is not specified in the supplier data for this SKU. Confirm with OEX before selecting ring terminals and cable lugs for this switch to ensure correct fitment.

Is this switch suitable for freshwater and saltwater marine use?

The marine grade construction indicates the switch is built to withstand marine environments including saltwater exposure. Confirm specific salt fog or immersion ratings with OEX for demanding saltwater applications.

Does this switch have a key or anti-theft mechanism?

Key or anti-theft features are not specified in the supplier data for this SKU. Confirm with OEX if a keyed operation is required for your application — the ACX3409 includes a removable key in the Off position for comparison.