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Perko
Perko Medium-Duty Battery Selector Switch Alt Field w/o Lock #8503DP
$76.60
$95.09
Download LiteraturePerko 8503DP ComponentsMedium Duty Battery Selector SwitchesIgnition ProtectedFor use with 12, 24 and 32 volt marine electrical systemsCapacity - 250 AMPS continuous, 360 Amp IntermittentMedium Duty Battery Selector Switch w/ Alternator Field Disconnect w/o Key Lock Specifications:Lockable = No AFD = Yes Positions = 2 Amps - Max = 250PERKO MEDIUM DUTY BATTERY SWITCH W/ ALTERNATOR DISCONNormalized SKU: 8503DPUPC Code: 085226559884WARNING: This product can expose you to the chemical lead, which is known to the State of California to cause birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.Perko 8503DP Literature Download Quick Reference Guide
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Perko
Perko Compact Medium-Duty Main Battery Switch #9611DP
$66.00
$79.20
Download LiteraturePerko 9611DP ComponentsCompact Battery Selector & Main Disconnect SwitchesIgnition ProtectedFor use with 12, 24 and 32 volt marine electrical systemsHigher rating than popular 8500 series switchesSame bolt patterns as popular 8500 seriesSmooth, Positive Position SelectorCompact, Medium Duty Main Battery Disconnect Switch Specifications:Lockable = No AFD = No Positions = NONE Amps - Max = NONEPERKO COMPACT MEDIUM DUTY BATTERY SELECTOR W/O LOCKNormalized SKU: 9611DPUPC Code: 085226370816Perko 9611DP Literature Download Quick Reference Guide
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Perko
Perko Medium-Duty Main Battery Switch with Key Lock #9602DP
$92.12
$114.35
Download LiteraturePerko 9602DP ComponentsMedium Duty Main Battery Disconnect SwitchesIgnition ProtectedFor use with 12, 24 and 32 volt marine electrical systemscapacity - rated 250 amps continuous,360 amps intermittent Medium Duty Main Battery Disconnect Switch w/ Key Lock Specifications:Lockable = Yes AFD = No Positions = 1 Amps - Max = 250PERKO MEDIUM DUTY MAIN BATTERY SWITCH W/ KEY LOCKNormalized SKU: 9602DPUPC Code: 085226560446WARNING: This product can expose you to the chemical lead, which is known to the State of California to cause birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.Perko 9602DP Literature Download Quick Reference Guide
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Perko
Perko Compact Medium-Duty Main Battery Switch Key Lock #9612DP
$88.70
$110.11
Download LiteraturePerko 9612DP ComponentsCompact Battery Selector & Main Disconnect SwitchesIgnition ProtectedFor use with 12, 24 and 32 volt marine electrical systemsHigher rating than popular 8500 series switchesSame bolt patterns as popular 8500 seriesSmooth, Positive Position SelectorCompact, Medium Duty Main Battery Disconnect Switch w/ Key Lock Specifications:Lockable = Yes AFD = No Positions = NONE Amps - Max = NONEPERKO COMPACT MEDIUM DUTY BATTERY SELECTOR W/ KEY LOCKNormalized SKU: 9612DPUPC Code: 085226370823Perko 9612DP Literature Download Quick Reference Guide
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Perko
Perko Medium-Duty Main Battery Switch Alt Field Disc Key Lock #9604DP
$122.16
$151.65
Download LiteraturePerko 9604DP ComponentsMedium Duty Main Battery Disconnect SwitchesIgnition ProtectedFor use with 12, 24 and 32 volt marine electrical systemscapacity - rated 250 amps continuous,360 amps intermittent Medium Duty Main Battery Disconnect Switch w/ Alternator Field Disconnect and Key Lock Specifications:Lockable = Yes AFD = Yes Positions = NONE Amps - Max = 250PERKO MEDIUM DUTY MAIN BATTERY SWITCH W/ KEY LOCKNormalized SKU: 9604DPUPC Code: 085226560859Perko 9604DP Literature Download Quick Reference Guide
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Perko
Perko HD Battery Disconnect Switch Alternator Field Disc #9703DP
$243.28
$308.99
Download LiteraturePerko 9703DP ComponentsHeavy Duty Battery SwitchesIgnition ProtectedFor use with 6, 12, 24 and 32 volt marine electrical systemsCapacity - Rated 450 AMPS continuous,1200 AMPS intermittent (15 seconds on, 5 minutes off)Heavy Duty Battery Disconnect Switchw/ Alternator Field Disconnect Specifications:Lockable = No AFD = Yes Positions = NONE Amps - Max = 450PERKO HEAVY DUTY BATTERY DISCONNECT SWITCH OFF - ONNormalized SKU: 9703DPUPC Code: 085226048241Perko 9703DP Literature Download Quick Reference Guide
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Blue Sea System
Blue Sea Mini Add-a-Battery Kit Boxed Packaging #7649003
$151.02
$191.80
Download Literature Watch VideoBlue Sea System 7649003 Components7649 Mini Add-A-Battery Kit - Boxed PackagingWhat does the Mini Add-A-Battery do?Adding a second battery prevents getting stranded with a dead battery by isolating the start battery from the house loads that can quickly discharge a battery. The Mini Add-A-Battery offers a compact, simple way to control the switching with the m-Series Dual Circuit PlusT Battery Switch and automatically share a single source of charging between two batteries with the Mini ACR Automatic Charging Relay.WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov. Specifications:AFD = NONE Amps - Max = 65 Amp Lockable = NONE Positions = NONENormalized SKU: 7649003UPC Code: 632085764937Blue Sea System 7649003 Literature Download Owners ManualBlue Sea System 7649003 Video
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Blue Sea System
Blue Sea Add-a-Battery Kit Boxed Packaging #7650003
$214.88
$272.92
Download LiteratureBlue Sea System 7650003 Components7650 Add-A-Battery Kit - Boxed PackagingThe 7650 Add-a-Battery simplifies switching and automates charging for a complete two battery bank management solution.Features:
A complete two battery bank management solution
Dual Circuit Plus Battery Switch isolates engine and house circuits, and combines battery banks for emergency starting
The 120 Amp SI ACR automatic charging relay combines for charging
WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov. Specifications:AFD = NONE Amps - Max = NONE Lockable = NONE Positions = 1Normalized SKU: 7650003UPC Code: 632085765033Blue Sea System 7650003 Literature Download Owners Manual
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Blue Sea System
Blue Sea Battery Switch HD Selector Af #3003
$108.63
$134.86
Download LiteratureBlue Sea System 3003 ComponentsHD-Series Battery Switch Selector with Alternator Field DisconnectPN: 3003500 Amperes Continuous Rating for large diesel engines
500 Ampere Continuous Rating
Accepts 4/0 battery cables
Ignition protected - safe for installation aboard gasoline powered boats
.870" (22.01mm) stud length to accept 4 or more cable terminals
1/2" (M12) Tin-plated copper studs for maximum conductivity and corrosion resistance
Meets American Boat and Yacht Council (ABYC) requirements for battery switches
Tactile textures indicate knob position by feel only
Case design allows surface or rear panel mounting
Fits all Perko and Guest low amperage battery switch hole patterns
Switch Ratings: 10 Sec: 2750A60 Sec: 1150A5 Min: 700AContinuous: 500AMax Voltage: 32V DCWARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov. Electrical: Battery SwitchSpecifications:
Lockable = NONE AFD = NONE Positions = NONE Amps - Max = NONE
BLUE SEA 3003 BATTERY SWITCH HD SELECTOR AF
Normalized SKU: 3003UPC Code: 632085030032Blue Sea System 3003 Literature Download
Owners Manual
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Sea-Dog
Sea-Dog SD-53 Battery Switch 70a with Push Reset #830404-1
$36.94
$44.09
Sea-Dog 830404-1 Battery Switch
These Battery Disconnects with Breaker feature a small footprint, which makes them ideal for close quarters. The combination of a rotary switch and breaker in a single product allows cost savings by eliminating the added components, material, and labor of a separate battery switch and circuit breaker/fuse for accessory circuits. (Not rated for engine starter circuits).
Terminal Studs: 1/4”-28. Range: 30A-70A.
Maximum Voltage: 42VDC.
Amperage Interrupt Capacity (AIC): 1.5kA/U3 @ 28VDC per ABYC (SAE J553 & UL1077*) and 3kA/U3 @ 14VDC per ABYC (SAE J553 & UL1077*).
Ignition Protection: ISO 8846*, USCG, ABYC, UL1500* and SAE J1171.
Interrupt Capacity: SAE J553, ABYC E-11, UL1077*
Ingress Protection: IP67. Made in the U.S.A.
A: 2"
B: 2"
C: 1-1/2"
Function: On/Off
Volts: 32
Amps: 70
Stud Diameter: 1/4"
Normalized SKU: 8304041
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Sea-Dog
Sea-Dog SD-53 Battery Switch 30a with Push Reset #830400-1
$36.94
$44.09
Sea-Dog 830400-1 Battery Switch
These Battery Disconnects with Breaker feature a small footprint, which makes them ideal for close quarters. The combination of a rotary switch and breaker in a single product allows cost savings by eliminating the added components, material, and labor of a separate battery switch and circuit breaker/fuse for accessory circuits. (Not rated for engine starter circuits).
Terminal Studs: 1/4”-28. Range: 30A-70A.
Maximum Voltage: 42VDC.
Amperage Interrupt Capacity (AIC): 1.5kA/U3 @ 28VDC per ABYC (SAE J553 & UL1077*) and 3kA/U3 @ 14VDC per ABYC (SAE J553 & UL1077*).
Ignition Protection: ISO 8846*, USCG, ABYC, UL1500* and SAE J1171.
Interrupt Capacity: SAE J553, ABYC E-11, UL1077*
Ingress Protection: IP67. Made in the U.S.A.
A: 2"
B: 2"
C: 1-1/2"
Function: On/Off
Volts: 32
Amps: 30
Stud Diameter: 1/4"
Normalized SKU: 8304001
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Bluewater
Bluewater Off/1/2 Battery Switch with Base #9800-008-11
$47.82
$57.38
Download LiteratureBluewater 9800-008-11 Battery SwitchOFF/1/2 Battery Switch - Surface Mount - RedThis 1/2/Off switch offers seamless selection between two power sources, with an Off position for isolation. It’s a reliable solution for switching between primary and secondary batteries in compact or mobile applications, such as boats, RVs, or service vehicles.Ignition-protected and safe for use aboard gasoline-powered boats, the 1/2/Off switch is built for flexibility with a case design that supports surface, front panel, or rear panel mounting. To ensure lasting performance, the switch features 3/8″-16 tin-plated copper studs for strong conductivity and corrosion resistance, compatible with both 3/8″ and M10 ring terminals. A 7/8″ stud length accommodates multiple cable terminals when needed.Constructed from marine-grade, non-corrosive metals and a reinforced polycarbonate housing, it’s made to endure harsh environments. Tactile knob textures allow you to identify the position by feel, and both international ON/OFF legends and an icon label set are included for easy circuit labeling.Specifications:
Continuous Rating: 300 Amps DC
Intermittent Rating: 500 Amps DC (5 min)
Cranking Rating: 900 Amps DC (30 sec)
Max Voltage: 32VDC
Cable Size: 4/0 AWG
Normalized SKU: 980000811UPC Code: 810196331198Bluewater 9800-008-11 Literature Download Quick Reference Guide
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Bluewater
Bluewater Off/1/2/Both Battery Switch with Base #9800-007-11
$42.80
$51.35
Download LiteratureBluewater 9800-007-11 Battery SwitchOff/1/2/Both Battery Switch - Surface Mount - RedDesigned for dual battery setups, this 1/2/Both selector switch gives you full control to route power from Battery 1, Battery 2, both, or neither. It’s ideal for managing power flow, setting up backup systems, and charging multiple battery banks— all from a single, intuitive control point.Ignition-protected and safe for installation aboard gasoline-powered boats, this 1/2/Both switch is perfect for both marine and RV applications. The versatile case design supports surface, front panel, or rear panel mounting.Engineered for performance, it includes 3/8″-16 tin-plated copper studs for maximum conductivity and corrosion resistance, accepting both 3/8″ and M10 ring terminals. The 7/8″ stud length allows connection of multiple cable terminals with ease.Built to withstand harsh environments, the switch is made from non-corrosive marine-grade metals and molded in reinforced polycarbonate for added durability. Tactile knob textures let you confirm position by feel alone, and the switch includes both international ON/OFF legends and an ICON label set for quick circuit identification.Specifications:
Continuous Rating: 300 Amps DC
Intermittent Rating: 500 Amps DC (5 min)
Cranking Rating: 900 Amps DC (30 sec)
Max Voltage: 32VDC
Cable Size: 4/0 AWG
Normalized SKU: 980000711UPC Code: 810196331181Bluewater 9800-007-11 Literature Download Quick Reference Guide
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Bluewater
Bluewater Off/1/2/Both Battery Switch without Base #9800-007-10
$37.76
$45.31
Download LiteratureBluewater 9800-007-10 Battery SwitchOff/1/2/Both Battery Switch - Panel Mount - RedDesigned for dual battery setups, this 1/2/Both selector switch gives you full control to route power from Battery 1, Battery 2, both, or neither. It’s ideal for managing power flow, setting up backup systems, and charging multiple battery banks— all from a single, intuitive control point.Ignition-protected and safe for installation aboard gasoline-powered boats, this 1/2/Both switch is perfect for both marine and RV applications. The versatile case design supports surface, front panel, or rear panel mounting.Engineered for performance, it includes 3/8″-16 tin-plated copper studs for maximum conductivity and corrosion resistance, accepting both 3/8″ and M10 ring terminals. The 7/8″ stud length allows connection of multiple cable terminals with ease.Built to withstand harsh environments, the switch is made from non-corrosive marine-grade metals and molded in reinforced polycarbonate for added durability. Tactile knob textures let you confirm position by feel alone, and the switch includes both international ON/OFF legends and an ICON label set for quick circuit identification.Specifications:
Continuous Rating: 300 Amps DC
Intermittent Rating: 500 Amps DC (5 min)
Cranking Rating: 900 Amps DC (30 sec)
Max Voltage: 32VDC
Cable Size: 4/0 AWG
Normalized SKU: 980000710UPC Code: 810196331174Bluewater 9800-007-10 Literature Download Quick Reference Guide
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Bluewater
Bluewater On/Off Battery Switch with Base #9800-006-11
$30.95
$36.94
Download LiteratureBluewater 9800-006-11 Battery SwitchOn/Off Switch Battery Switch - Surface Mount - RedSimple, reliable, and built for tough environments, this On/Off Battery Switch provides secure control of power to a single circuit. It’s ideal for isolating batteries or equipment when not in use, helping to ensure safety and prevent unwanted battery drain. Ignition-protected and safe for use aboard gasoline-powered boats, this switch is well-suited for both marine and RV applications. The versatile case design allows for surface, front panel, or rear panel mounting.Constructed from all non-corrosive marine-grade metals and molded in reinforced polycarbonate, it delivers long-lasting durability in harsh conditions. Tactile knob textures allow users to confirm switch position by feel, and the included international ON/OFF label and ICON label set make circuit identification easy and intuitive.Specifications:
Continuous Rating: 300 Amps DC
Intermittent Rating: 500 Amps DC (5 min)
Cranking Rating: 900 Amps DC (30 sec)
Max Voltage: 40VDC
Cable Size: 4/0 AWG
Normalized SKU: 980000611UPC Code: 810196331150Bluewater 9800-006-11 Literature Download Quick Reference Guide
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Bluewater
Bluewater On/Off Battery Switch No Base #9800-006-10
$27.05
$32.28
Download LiteratureBluewater 9800-006-10 Battery SwitchOn/Off Switch Battery Switch - Panel Mount - RedSimple, reliable, and built for tough environments, this On/Off Battery Switch provides secure control of power to a single circuit. It’s ideal for isolating batteries or equipment when not in use, helping to ensure safety and prevent unwanted battery drain.Ignition-protected and safe for use aboard gasoline-powered boats, this switch is well-suited for both marine and RV applications. The versatile case design allows for surface, front panel, or rear panel mounting.Constructed from all non-corrosive marine-grade metals and molded in reinforced polycarbonate, it delivers long-lasting durability in harsh conditions. Tactile knob textures allow users to confirm switch position by feel, and the included international ON/OFF label and ICON label set make circuit identification easy and intuitive.Specifications:
Continuous Rating: 300 Amps DC
Intermittent Rating: 500 Amps DC (5 min)
Cranking Rating: 900 Amps DC (30 sec)
Max Voltage: 40VDC
Cable Size: 4/0 AWG
Normalized SKU: 980000610UPC Code: 810196331143Bluewater 9800-006-10 Literature Download Quick Reference Guide
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Samlex America
Samlex America On/Off Battery Switch Red No Back Cover #9800-006-10
$17.89
$21.35
Samlex America 9800-006-10 Battery Switch
ON/OFF Red Battery Switch Red without Back Cover - OTB
Normalized SKU: 980000610
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ParkPower
ParkPower Contour Battery Master Switch #701CHRV
$38.35
$45.77
ParkPower 701CHRV Battery Switch
Unique to the Contour Switch is the patented contour lock system. Allows the switches to be used as stand alone units or locked together with other switches. The 701CHRV also features a control knob which cannot be removed while in the ON or OFF position, but it can be removed by switching to an anti-clockwise 45 position.
Intermittent Rating: 455 Amps DC
Continuous Rating: 275 Amps DC
Features removable side plates on 4 sides for access of up to 1/0 cables plus a rear cover insulating the rear terminals against any short circuits
Designed for quick and simple use
Normalized SKU: 701CHRVUPC Code: 093344311666
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ParkPower
ParkPower House Battery Master Switch #701HBRV
$38.35
$45.77
ParkPower 701HBRV Battery Switch
Unique to the House Battery Switch is the patented contour lock system, allowing the switches to be used as stand alone units or locked together with other switches. The 701HBRV also features a control knob which cannot be removed while in the ON or OFF position, but it can be removed by switching to an anti-clockwise 45° position. It also features removable side plates on 4 sides for access of up to 1/0 cables plus a rear cover insulating the rear terminals against any short circuits.
Continuous Rating: 275 Amps DC
Intermittent Rating: 455 Amps DC
Features removable side plates on 4 sides for access of up to 1/0 cables plus a rear cover insulating the rear terminals against any short circuits
RoHS Compliant
Normalized SKU: 701HBRVUPC Code: 093344311673
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ParkPower
ParkPower Contour Heavy-Duty Master Switch #720RV
$108.00
$134.06
ParkPower 720RV Battery Switch
The Contour Heavy Duty Master switch is rated at 600 amps continuous and 2500 amps cranking, it is well suited for higher power loads. The 720RV can be recessed or surface mounted. The 720RV also includes the same style removable side plates and back plate as the 701RV. It also receives the same label system as the 701RV line.
Master switch is rated at 600 amps continuous and 2500 amps cranking
Receives the same label system as the 701RV line
Refer to manufacturer recommendations and part guidelines to ensure a proper fit
Designed for quick and simple installation
Normalized SKU: 720RVUPC Code: 093344311680
Frequently Asked Questions
First Choice Marine is an online marine retailer carrying a diverse line of marine parts and accessories and related items from industry-respected and demanded manufacturers and suppliers. Through our diverse distributor network, we are able to access over 150,000 items, including our current site inventory, new products being added, and special order items. If you need it on your boat... we are your one-stop shop!
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