Thank you for considering this AMS part available through Marine Direct Australia.

We sell AMS parts by part number only.  Freight is generally $20 for up to 3 kilos to most locations in Australia.

There is a default freight charge of $20.  If you have ordered a bulky or heavy item or its going to a remote location then it will be sent the most economical or efficient way.  You will be advised of the total freight change and billed in arrears.  Prior arranged pickup is also available near the Northern Beaches in Sydney.

Returns are possible IF the goods are unopened, unused, undamaged and can be resold in original packaging.


Thanks for looking at this quality BLA marine part.  If this part does not have an image or does not have a detailed description (below) you will find it by looking in the relevant 2020 BLA Catalogue located at this link.

Please Note: We Sell by Part Number Only.  Images can be generic and may not represent the actual product.  Check in the 2020 BLA Catalogue if you are unsure.

Shipping: Is generally the same day or next day by airbag or road transport.  There are two shipping options for freight up to 3 kilos.  Parcels over 3 kilos generally go road transport.  If your freight is bulky, oversize or heavy then there may be additional freight charges.  You will be advised of these costs and billed in arrears.

Availability: Assume that the part is in stock.  If the product is unavailable you will quickly receive an email or phone call with options or an immediate refund.

Returns:  BLA parts cannot be returned, nor exchanged nor refunded and are considered a special order.  Where an order is accepted back, a Return Authorisation must be approved and a restocking fee may apply.

The 720 heavy duty Contour Master Switch is designed for larger vessels with higher amp loads. It offers 600 amps continuous and 2500 amps cranking capacity. The switch can be recess mounted in a 85mm hole or surface mounted. Interchangeable labelling system on the control knob allows a full range of applications. Switches come standard with the battery symbol label. Alternative label sets 113690 and 113691 are available. Removable rear cover insulates the rear terminals against any short circuits and ensures the switch meets ABYC requirements. Non corrosive construction, self cleaning sliding contacts. Ignition protected.

Continuous rating: 600 amps DC
Intermittent rating: 800 amps DC
Cranking rating: 2500 amps DC for 10 seconds
Voltage rating: 48V DC maximum
Terminal stud size: 2 x 12mm
Screw holes 5mm roundhead Base size: 102x89.4mm

See details below.


SKU 113551