![b-p-marine-1500x1500](https://www.rhsboating.com.au/images/com_hikashop/upload/b-p-marine-1500x1500.jpg)  Description:
Take a considered approach to your boat's battery controls with B-P Marine switches, isolators and relays from RHS Boating & Marine. The range includes battery isolation and selection options, compact switches, panel-mount assemblies and a voltage sensitive relay for compatible electrical installations.

The right choice depends on more than the size of the switch. Compare the system voltage, continuous current rating, starting load, terminal arrangement and mounting dimensions with your installation. Battery selectors and simple on/off isolators perform different functions, so check the operating positions carefully. Each product listing provides the details needed to compare suitable options for a replacement or planned electrical upgrade.

           [ ![226358](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/226358.jpg "Heat Shrink Connectors – Pack 200 – Boat Electrical – Marine Wiring Accessories") ](https://www.rhsboating.com.au/categories/heat-shrink-connectors-pack-200-boat-electrical-marine-wiring-accessories.html)

   $40.46  each    [ Heat Shrink Connectors – Pack 200 – Boat Electrical – Marine Wiring Accessories ](https://www.rhsboating.com.au/categories/heat-shrink-connectors-pack-200-boat-electrical-marine-wiring-accessories.html)      [ 226358 ](https://www.rhsboating.com.au/categories/heat-shrink-connectors-pack-200-boat-electrical-marine-wiring-accessories.html)

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   [ ![916200](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/916200.jpg "Heatshrink joiner to suit 2.5-3mm Cable – Boat Wiring – Boat Wiring Connections") ](https://www.rhsboating.com.au/categories/heatshrink-joiner-to-suit-2-5-3mm-cable-boat-wiring-boat-wiring-connections.html)

   $3.88  each    [ Heatshrink joiner to suit 2.5-3mm Cable – Boat Wiring – Boat Wiring Connections ](https://www.rhsboating.com.au/categories/heatshrink-joiner-to-suit-2-5-3mm-cable-boat-wiring-boat-wiring-connections.html)      [ 916200 ](https://www.rhsboating.com.au/categories/heatshrink-joiner-to-suit-2-5-3mm-cable-boat-wiring-boat-wiring-connections.html)

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   [ ![916202](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/916202.jpg "Heatshrink joiner to suit 4mm Cable – Pack 2 – Boat Wiring – 916202") ](https://www.rhsboating.com.au/categories/heatshrink-joiner-to-suit-4mm-cable-pack-2-boat-wiring-916202.html)

   $3.88  each    [ Heatshrink joiner to suit 4mm Cable – Pack 2 – Boat Wiring – 916202 ](https://www.rhsboating.com.au/categories/heatshrink-joiner-to-suit-4mm-cable-pack-2-boat-wiring-916202.html)      [ 916202 ](https://www.rhsboating.com.au/categories/heatshrink-joiner-to-suit-4mm-cable-pack-2-boat-wiring-916202.html)

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   [ ![916204](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/916204.jpg "Heatshrink joiner to suit 5-6mm Cable – Pack 2 – Boat Wiring") ](https://www.rhsboating.com.au/categories/heatshrink-joiner-to-suit-5-6mm-cable-pack-2-boat-wiring.html)

   $5.16  each    [ Heatshrink joiner to suit 5-6mm Cable – Pack 2 – Boat Wiring ](https://www.rhsboating.com.au/categories/heatshrink-joiner-to-suit-5-6mm-cable-pack-2-boat-wiring.html)      [ 916204 ](https://www.rhsboating.com.au/categories/heatshrink-joiner-to-suit-5-6mm-cable-pack-2-boat-wiring.html)

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   [ ![RWB3720](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/RWB3720.jpg "Heavy Duty Aluminium Dock Cleat - 290mm - 90mm High") ](https://www.rhsboating.com.au/categories/heavy-duty-aluminium-dock-cleat-290mm-90mm-high.html)

   $76.05  each    [ Heavy Duty Aluminium Dock Cleat - 290mm - 90mm High ](https://www.rhsboating.com.au/categories/heavy-duty-aluminium-dock-cleat-290mm-90mm-high.html)      [ RWB3720 ](https://www.rhsboating.com.au/categories/heavy-duty-aluminium-dock-cleat-290mm-90mm-high.html)

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   [ ![RWB3721](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/RWB3721.jpg "Heavy Duty Aluminium Dock Cleat - 350mm - 105mm High") ](https://www.rhsboating.com.au/categories/heavy-duty-aluminium-dock-cleat-350mm-105mm-high.html)

   $109.27  each    [ Heavy Duty Aluminium Dock Cleat - 350mm - 105mm High ](https://www.rhsboating.com.au/categories/heavy-duty-aluminium-dock-cleat-350mm-105mm-high.html)      [ RWB3721 ](https://www.rhsboating.com.au/categories/heavy-duty-aluminium-dock-cleat-350mm-105mm-high.html)

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   [ ![700161](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/700161.jpg "Heavy Duty Battery Master Marine Switch – Boat Electrical Accessories") ](https://www.rhsboating.com.au/categories/heavy-duty-battery-master-marine-switch-boat-electrical-accessories.html)

   $54.65  each    [ Heavy Duty Battery Master Marine Switch – Boat Electrical Accessories ](https://www.rhsboating.com.au/categories/heavy-duty-battery-master-marine-switch-boat-electrical-accessories.html)      [ 700161 ](https://www.rhsboating.com.au/categories/heavy-duty-battery-master-marine-switch-boat-electrical-accessories.html)

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   [ ![RWB1282](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/RWB1282.jpg "Heavy Duty Bolt-Through Stainless Cleat - 200mm - 145 x 35mm Base") ](https://www.rhsboating.com.au/categories/heavy-duty-bolt-through-stainless-cleat-200mm-145-x-35mm-base.html)

   $240.36  each    [ Heavy Duty Bolt-Through Stainless Cleat - 200mm - 145 x 35mm Base ](https://www.rhsboating.com.au/categories/heavy-duty-bolt-through-stainless-cleat-200mm-145-x-35mm-base.html)      [ RWB1282 ](https://www.rhsboating.com.au/categories/heavy-duty-bolt-through-stainless-cleat-200mm-145-x-35mm-base.html)

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   [ ![RWB1283](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/RWB1283.jpg "Heavy Duty Bolt-Through Stainless Cleat - 250mm - 177 x 43mm Base") ](https://www.rhsboating.com.au/categories/heavy-duty-bolt-through-stainless-cleat-250mm-177-x-43mm-base.html)

   $343.06  each    [ Heavy Duty Bolt-Through Stainless Cleat - 250mm - 177 x 43mm Base ](https://www.rhsboating.com.au/categories/heavy-duty-bolt-through-stainless-cleat-250mm-177-x-43mm-base.html)      [ RWB1283 ](https://www.rhsboating.com.au/categories/heavy-duty-bolt-through-stainless-cleat-250mm-177-x-43mm-base.html)

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   [ ![RWB1284](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/RWB1284.jpg "Heavy Duty Bolt-Through Stainless Cleat - 300mm - 213 x 50mm Base") ](https://www.rhsboating.com.au/categories/heavy-duty-bolt-through-stainless-cleat-300mm-213-x-50mm-base.html)

   $488.72  each    [ Heavy Duty Bolt-Through Stainless Cleat - 300mm - 213 x 50mm Base ](https://www.rhsboating.com.au/categories/heavy-duty-bolt-through-stainless-cleat-300mm-213-x-50mm-base.html)      [ RWB1284 ](https://www.rhsboating.com.au/categories/heavy-duty-bolt-through-stainless-cleat-300mm-213-x-50mm-base.html)

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   [ ![RWB1981](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/chatgpt_image_sep_24_2026_09_02_48_am.jpg "Heavy Duty Cast Stainless Deck Filler - Diesel - 38mm (1 1/2 inches) Hose") ](https://www.rhsboating.com.au/categories/heavy-duty-cast-stainless-deck-filler-diesel-38mm-1-1-2-inches-hose.html)

   $49.59  each    [ Heavy Duty Cast Stainless Deck Filler - Diesel - 38mm (1 1/2 inches) Hose ](https://www.rhsboating.com.au/categories/heavy-duty-cast-stainless-deck-filler-diesel-38mm-1-1-2-inches-hose.html)      [ RWB1981 ](https://www.rhsboating.com.au/categories/heavy-duty-cast-stainless-deck-filler-diesel-38mm-1-1-2-inches-hose.html)

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   [ ![RWB1985](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/chatgpt_image_sep_24_2026_09_02_48_am.jpg "Heavy Duty Cast Stainless Deck Filler - Diesel - 50mm (2 inches) Hose") ](https://www.rhsboating.com.au/categories/heavy-duty-cast-stainless-deck-filler-diesel-50mm-2-inches-hose.html)

   $68.77  each    [ Heavy Duty Cast Stainless Deck Filler - Diesel - 50mm (2 inches) Hose ](https://www.rhsboating.com.au/categories/heavy-duty-cast-stainless-deck-filler-diesel-50mm-2-inches-hose.html)      [ RWB1985 ](https://www.rhsboating.com.au/categories/heavy-duty-cast-stainless-deck-filler-diesel-50mm-2-inches-hose.html)

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   [ ![RWB1980](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/chatgpt_image_sep_24_2026_09_02_48_am.jpg "Heavy Duty Cast Stainless Deck Filler - Petrol - 38mm (1 1/2 inches) Hose") ](https://www.rhsboating.com.au/categories/heavy-duty-cast-stainless-deck-filler-petrol-38mm-1-1-2-inches-hose.html)

   $49.59  each    [ Heavy Duty Cast Stainless Deck Filler - Petrol - 38mm (1 1/2 inches) Hose ](https://www.rhsboating.com.au/categories/heavy-duty-cast-stainless-deck-filler-petrol-38mm-1-1-2-inches-hose.html)      [ RWB1980 ](https://www.rhsboating.com.au/categories/heavy-duty-cast-stainless-deck-filler-petrol-38mm-1-1-2-inches-hose.html)

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   [ ![RWB1984](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/chatgpt_image_sep_24_2026_09_02_48_am.jpg "Heavy Duty Cast Stainless Deck Filler - Petrol - 50mm (2 inches) Hose") ](https://www.rhsboating.com.au/categories/heavy-duty-cast-stainless-deck-filler-petrol-50mm-2-inches-hose.html)

   $68.77  each    [ Heavy Duty Cast Stainless Deck Filler - Petrol - 50mm (2 inches) Hose ](https://www.rhsboating.com.au/categories/heavy-duty-cast-stainless-deck-filler-petrol-50mm-2-inches-hose.html)      [ RWB1984 ](https://www.rhsboating.com.au/categories/heavy-duty-cast-stainless-deck-filler-petrol-50mm-2-inches-hose.html)

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   [ ![RWB1983](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/RWB1983.jpg "Heavy Duty Cast Stainless Deck Filler - Waste, internal 1 1/2 inch BSP thread for pump-out camlock adaptors - 38mm (1 1/2 inches) Hose") ](https://www.rhsboating.com.au/categories/heavy-duty-cast-stainless-deck-filler-waste-internal-1-1-2-inch-bsp-thread-for-pump-out-camlock-adaptors-38mm-1-1-2-inches-hose.html)

   $49.59  each    [ Heavy Duty Cast Stainless Deck Filler - Waste, internal 1 1/2 inch BSP thread for pump-out camlock adaptors - 38mm (1 1/2 inches) Hose ](https://www.rhsboating.com.au/categories/heavy-duty-cast-stainless-deck-filler-waste-internal-1-1-2-inch-bsp-thread-for-pump-out-camlock-adaptors-38mm-1-1-2-inches-hose.html)      [ RWB1983 ](https://www.rhsboating.com.au/categories/heavy-duty-cast-stainless-deck-filler-waste-internal-1-1-2-inch-bsp-thread-for-pump-out-camlock-adaptors-38mm-1-1-2-inches-hose.html)

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   [ ![RWB1982](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/RWB1982.jpg "Heavy Duty Cast Stainless Deck Filler - Water - 38mm (1 1/2 inches) Hose") ](https://www.rhsboating.com.au/categories/heavy-duty-cast-stainless-deck-filler-water-38mm-1-1-2-inches-hose.html)

   $49.59  each    [ Heavy Duty Cast Stainless Deck Filler - Water - 38mm (1 1/2 inches) Hose ](https://www.rhsboating.com.au/categories/heavy-duty-cast-stainless-deck-filler-water-38mm-1-1-2-inches-hose.html)      [ RWB1982 ](https://www.rhsboating.com.au/categories/heavy-duty-cast-stainless-deck-filler-water-38mm-1-1-2-inches-hose.html)

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   [ ![RWB1986](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/RWB1986.jpg "Heavy Duty Cast Stainless Deck Filler - Water - 50mm (2 inches) Hose") ](https://www.rhsboating.com.au/categories/heavy-duty-cast-stainless-deck-filler-water-50mm-2-inches-hose.html)

   $68.77  each    [ Heavy Duty Cast Stainless Deck Filler - Water - 50mm (2 inches) Hose ](https://www.rhsboating.com.au/categories/heavy-duty-cast-stainless-deck-filler-water-50mm-2-inches-hose.html)      [ RWB1986 ](https://www.rhsboating.com.au/categories/heavy-duty-cast-stainless-deck-filler-water-50mm-2-inches-hose.html)

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   [ ![RWB238](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/RWB238.jpg "Heavy Duty Cast Stainless Flush Pull - 76 x 57mm") ](https://www.rhsboating.com.au/categories/heavy-duty-cast-stainless-flush-pull-76-x-57mm.html)

   $18.74  each    [ Heavy Duty Cast Stainless Flush Pull - 76 x 57mm ](https://www.rhsboating.com.au/categories/heavy-duty-cast-stainless-flush-pull-76-x-57mm.html)      [ RWB238 ](https://www.rhsboating.com.au/categories/heavy-duty-cast-stainless-flush-pull-76-x-57mm.html)

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   [ ![400219](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/400219.jpg "Heavy Duty Cast Stainless Steel Flush Mount Ring Pull 76 x 57mm – Boat Hardware") ](https://www.rhsboating.com.au/categories/heavy-duty-cast-stainless-steel-flush-mount-ring-pull-76-x-57mm-boat-hardware.html)

   $19.25  each    [ Heavy Duty Cast Stainless Steel Flush Mount Ring Pull 76 x 57mm – Boat Hardware ](https://www.rhsboating.com.au/categories/heavy-duty-cast-stainless-steel-flush-mount-ring-pull-76-x-57mm-boat-hardware.html)      [ 400219 ](https://www.rhsboating.com.au/categories/heavy-duty-cast-stainless-steel-flush-mount-ring-pull-76-x-57mm-boat-hardware.html)

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   [ ![769657](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/769657.jpg "Heavy Duty Galvanised Marine Washer 3/4 inch (20mm) Pack 4 – 769657") ](https://www.rhsboating.com.au/categories/heavy-duty-galvanised-marine-washer-3-4-inch-20mm-pack-4-769657.html)

   $5.56  each    [ Heavy Duty Galvanised Marine Washer 3/4 inch (20mm) Pack 4 – 769657 ](https://www.rhsboating.com.au/categories/heavy-duty-galvanised-marine-washer-3-4-inch-20mm-pack-4-769657.html)      [ 769657 ](https://www.rhsboating.com.au/categories/heavy-duty-galvanised-marine-washer-3-4-inch-20mm-pack-4-769657.html)

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   [ ![769658](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/769658.jpg "Heavy Duty Galvanised Marine Washer 7/8 inch (22mm) Pack 4 – 769658") ](https://www.rhsboating.com.au/categories/heavy-duty-galvanised-marine-washer-7-8-inch-22mm-pack-4-769658.html)

   $6.96  each    [ Heavy Duty Galvanised Marine Washer 7/8 inch (22mm) Pack 4 – 769658 ](https://www.rhsboating.com.au/categories/heavy-duty-galvanised-marine-washer-7-8-inch-22mm-pack-4-769658.html)      [ 769658 ](https://www.rhsboating.com.au/categories/heavy-duty-galvanised-marine-washer-7-8-inch-22mm-pack-4-769658.html)

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Display #21

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- [147](https://www.rhsboating.com.au/brands-listing/category/b-p-marine-battery-switches-isolators-relays/view-category/layout-listing.html?start=3150&limit=21 "147")
- [148](https://www.rhsboating.com.au/brands-listing/category/b-p-marine-battery-switches-isolators-relays/view-category/layout-listing.html?start=3150&limit=21 "148")
- [149](https://www.rhsboating.com.au/brands-listing/category/b-p-marine-battery-switches-isolators-relays/view-category/layout-listing.html?start=3150&limit=21 "149")
- [150](https://www.rhsboating.com.au/brands-listing/category/b-p-marine-battery-switches-isolators-relays/view-category/layout-listing.html?start=3150&limit=21 "150")
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- [152](https://www.rhsboating.com.au/brands-listing/category/b-p-marine-battery-switches-isolators-relays/view-category/layout-listing.html?start=3150&limit=21 "152")
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- [155](https://www.rhsboating.com.au/brands-listing/category/b-p-marine-battery-switches-isolators-relays/view-category/layout-listing.html?start=3150&limit=21 "155")
- [](https://www.rhsboating.com.au/brands-listing/category/b-p-marine-battery-switches-isolators-relays/view-category/layout-listing.html?start=3150&limit=21)
- [](https://www.rhsboating.com.au/brands-listing/category/b-p-marine-battery-switches-isolators-relays/view-category/layout-listing.html?start=3150&limit=21)

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