![Perko Spare Actuator Key f\/8521 Battery Selector Switch [8521DP0KEY]](https://cdn11.bigcommerce.com/s-aoz5verypz/images/stencil/600x600/products/6845/8347/69971XL__74146.1738214337.jpg?c=1 "Perko Spare Actuator Key f\/8521 Battery Selector Switch [8521DP0KEY]")
Product Overview
Spare Actuator Key f/8521 Battery Selector Switch
AIS | Autopilots | Audio | Electrical | GPS | Lighting | Outfitting | NMEA2K | Radar | Xducers | VHF
![Perko Spare Actuator Key f\/8521 Battery Selector Switch [8521DP0KEY]](https://cdn11.bigcommerce.com/s-aoz5verypz/images/stencil/1280x1280/products/6845/8347/69971XL__74146.1738214337.jpg?c=1 "Perko Spare Actuator Key f\/8521 Battery Selector Switch [8521DP0KEY]")
Spare Actuator Key f/8521 Battery Selector Switch
![Perko Medium Duty Battery Selector Switch w\/Key Lock [8502DP]](https://cdn11.bigcommerce.com/s-aoz5verypz/images/stencil/500x659/products/7645/9324/73252XL__77668.1738216356.jpg?c=1 "Perko Medium Duty Battery Selector Switch w\/Key Lock [8502DP]")
![Perko Compact Medium Duty Battery Selector Switch w\/Key Lock [8512DP]](https://cdn11.bigcommerce.com/s-aoz5verypz/images/stencil/500x659/products/1467/1976/33119XL__48511.1738200519.jpg?c=1 "Perko Compact Medium Duty Battery Selector Switch w\/Key Lock [8512DP]")
![Perko Dual Battery Selector Switch - Cup Mount [8521DPC]](https://cdn11.bigcommerce.com/s-aoz5verypz/images/stencil/500x659/products/6844/8346/69970XL__60013.1738214335.jpg?c=1 "Perko Dual Battery Selector Switch - Cup Mount [8521DPC]")
![Perko Compact Medium Duty Battery Selector Switch w\/o Key Lock [8511DP]](https://cdn11.bigcommerce.com/s-aoz5verypz/images/stencil/500x659/products/1466/1975/33118XL__37349.1738200517.jpg?c=1 "Perko Compact Medium Duty Battery Selector Switch w\/o Key Lock [8511DP]")
![Perko Medium Duty Battery Selector Switch - 250A Continuous [8501DP]](https://cdn11.bigcommerce.com/s-aoz5verypz/images/stencil/500x659/products/4163/5277/55851XL__74698.1738207607.jpg?c=1 "Perko Medium Duty Battery Selector Switch - 250A Continuous [8501DP]")