High-current 300A marine battery selector switch with 1, 2, 1+2, and OFF positions on a white background.
Red marine battery disconnect switch installed on a white fiberglass vessel console labeled Main Power.
Three variations of the m-Series battery switch: 2-stage (ON-OFF), 3-stage (1-2-OFF), and 4-stage (1-2-BOTH-OFF).
Exploded view showing tin-plated copper studs and internal spring mechanism with wiring diagrams for different circuit stages.
Dimensional diagram showing 70mm x 70mm footprint and 60mm depth with 4mm mounting holes for marine battery switch.
Diagram explaining total power control and battery protection during storage and maintenance periods.
Close-up of the red tactile selector knob and the OFF-ON labeling on the marine circuit isolation ring.
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Marine Battery Selector Switch

300A Dual Bank Disconnect (1-2-Both-Off) | 3 options

Regular price$14.98
Type: Two-stage switch

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1 unit at $14.98 USD $14.98 USD

Merchandise subtotal 0.4 kg estimated packaged weight

Delivery options

1 unit / 0.4 kg packaged

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Product information

Product overview

Check dimensionsReview the selected option and product drawings.
Confirm compatibilityMatch materials, connections and installation clearance.
Plan the orderCombine compatible items before checking delivery.

Marine Battery Selector Switch - 300A Dual Bank Disconnect (1-2-Both-Off) is listed in Marine Switches & Panels and is intended for the marine use described below. Review the listed dimensions, configuration and installation requirements before ordering.

Availability: In stock and available to order. Orders are prepared from current stock. Delivery timing depends on the destination and selected shipping method.

Product details

  • Product type: Marine Switches & Panels
  • Available options: Type: Two-stage switch, Three-stage switch, Four-stage switch
  • Compatibility reference: Yacht, Bass Boat, Pontoon, RV, Truck

marine-use Marine Power Management

help provide absolute electrical safety and total power control with this Ignition-Protected Marine Battery Switch. Engineered for harsh saltwater environments, this heavy-duty selector allows you to manage two battery banks independently or combine them for emergency starting.

  • High Conductivity: Features tin-plated copper studs for strong electrical flow and effective corrosion resistance.
  • Heavy Duty Rating: Rated for 300A Continuous, 500A intermittent (5 min), and 900A cranking (30 sec) at up to 48V DC.
  • Safety : Ignition protected (SAE J1171) for safe installation in gasoline-powered engine compartments.
  • Durable Construction: UV-stabilized polycarbonate housing resists impact and environmental degradation.

Ideal for yachts, bass boats, RVs, and heavy-duty trucks requiring reliable battery isolation and circuit protection.

Before ordering

  • Compare the listed dimensions with the installation area or existing part.
  • Select the correct size, model, voltage or configuration where options are offered.
  • Installation method and required hardware can vary by boat and mounting surface.

Shipping note: Shipping is calculated at checkout based on destination, package weight and service. Combining several small accessories in one order can reduce the delivery cost per item.