PRODUCT DETAILS
Heavy Duty Marine Battery Switch – Rated to 300Amp
Marine grade heavy duty dual battery isolator and change-over switch. Rated 175A continuous at 12V, up to 300A intermittent.
Heavy Duty Marine Grade Battery Isolator and Change-over Switch.
Switch Type: Rotary Switch
Operating Voltage: 6-32 Volts
Continuous Rating: 250 Amps
Electrical life: 10000 times
Number of Positions: 4
Operation: 2-BOTH-1-OFF
Rated for 175A continuous/300A intermittent at up to 32 volts
Isolates 1 battery or 2 batteries, or links up both batteries in parallel
Mounting Type: Surface Mount
Can be used in Dual Battery systems. Capable of switching either or both batteries at the same time.
Integral push lock on knob prevents accidental change over.
Made of Non-Corrosive marine grade metal. This model has a Bakelite base and Bakelite knob.
Colour: Black and Red highlights.
Suitable for surface mounting.
Rated at:
- 175A Continuous duty at 12V
- 300A intermittent
Dimension:
- 133.3mm(Diameter)
- 133.3mm(Height)
SHIPPING & DELIVERY
Delivery & Returns Policy
Delivery
Standard Delivery
- £6: Royal Mail Tracked 24 Service
- £3.99: Large Letter - Royal Mail 1st Class Post (Untracked)
We offer free delivery on all orders over £150 (excludes outboard engines).
Orders placed before 1:00 PM (Monday-Friday) are usually dispatched the same working day.
Most parcels are delivered within 24 hours, but please allow extra time for courier delays that may occur outside our control.
For outboard engines, please contact us for a delivery quote.
Important: Please ensure your shipping address is correct before completing checkout. SSI Marine is not responsible for parcels sent to an incorrect address provided by the buyer.
Tracking Your Order
Once your order has been dispatched, you will receive a tracking number via email (after 5 PM on the day of dispatch).
Tracking is available only for parcels sent via Royal Mail Tracked 24.
Large Letter orders are sent via Royal Mail 1st Class Post (untracked).
Returns
We accept returns of unused and undamaged items within 30 days of purchase.
Returned items must be in sellable condition and include the original packaging.
Please do not tape, label, or write directly on the product's original box.
Important: Do not return items in their original product boxes only, they must be placed inside a protective outer box or bag. Parcels returned like the example below will be subject to a 20% restocking fee.
Return shipping costs are the customer's responsibility.
Please include your order details and reason for return inside the parcel.
Refunds
Refunds are issued for the item purchase price only (shipping costs are non-refundable).
All refunds will be made using the same payment method as your original order.
Items returned in poor condition or without proper packaging may incur a 20% restocking fee.









