3 4 Position 32V 300 Amp M-Series Waterproof Ignition Protected Marine Boat Dual Battery Isolator Mini Selector Switches
Waterproof Level IP66: Protects against dust and water intrusion.
3/4 Position Switch: Provides versatile battery management options.
High Current Rating: Supports continuous 300A and intermittent 500A.
Tinned Copper Stud Material: Ensures reliable electrical connections.
ABS Construction: Durable and resistant to environmental factors.






Dongguan Er sheng Electronic Technology Co., Ltd.was founded in 2003 and located in "Factory of the World"Dongguan City China.With more than 23-year MANUFACTURING EXPERIENCE.
In 2024, we moved to a much bigger factory park which is over 10000 square meters, with more than 300 workers.The reason we can offer a short lead time to our clients is we have our own mould making machine, injection molding machine, CNC bending machine, SMT machine, ect.We welcome both OEM and ODM orders.
With a wide range, high quality, reasonable prices and stylish designs, our products are extensively used in classic cars,marine&boats,4x4 SUV&PICKUP,UTV&ATV,RV, golfcarts, forklift,yachts,bus, motor-cycles,racing cars,truck,sports cars,JEEP and electric vehicles. Our products are widely recognized and trusted by user sand can meet continuously changing economic and social needs.And most of them are mainly exported to the North America,Europe, Australia, Africa, Singapore, etc.
After years of hard working, we have a perfect and stable management system to become a rapidly growing up manufacturer.We welcome new and old customers from all over the world to contact us for future business relationships and mutual success!
We have ISO9001,BSCI,IATF16949,CE,ROHS,UL,High-tech enterprise,160+ Patents etc.
If you are global auto parts professional supermarkets,modification markets,etc. find us!
Er sheng = Auto Parts Manufacturer












Send your inquiry directly to us