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### Ampper High Current 1-2-Both-Off Battery Switch
O Ampper High Current 1-2-Both-Off Battery Switch é a solução ideal para quem busca segurança e eficiência em sistemas elétricos de alta corrente. Projetado para operar em situações que envolvem duas baterias, este interruptor permite alternar entre a bateria 1, a bateria 2, ambas ou desligar completamente, garantindo versatilidade e controle total sobre o sistema elétrico. Com um corpo robusto em plástico ABS, este dispositivo é feito para resistir ao uso intenso e proporcionar segurança em ambientes desafiadores, como barcos, iates, caminhões e veículos recreativos (RVs).
#### Especificações Técnicas
– Posições: 1-2-Both-Off (4 posições)
– Capacidade: 300 A contínuo a DC 12V, 500 A intermitente a DC 12V, 1500 A momentâneo a DC 12V.
– Compatibilidade: Projetado para sistemas DC de 12 a 48 V, permitindo isolar e proteger o sistema elétrico. Pode ser utilizado de forma independente ou em conjunto com outros interruptores.
– Propósito: Eliminar qualquer consumo de energia da bateria quando o veículo ou barco não estiver em uso, desconectando a bateria de forma segura.
– Tamanho do terminal de cobre: 3/8″ (10 mm) x 3, facilitando a instalação e sendo universal para carros, veículos, RVs e barcos, além de ser um interruptor para equipamentos elétricos.
### Instruções de Uso:
Para utilizar o Ampper High Current Battery Switch, siga os passos abaixo:
1. Instalação: Conecte os terminais de cobre do interruptor às baterias, garantindo que as conexões estejam firmes e seguras. Utilize os 4 conjuntos de parafusos fornecidos para fixação.
2. Seleção de Bateria: Utilize a posição desejada (1, 2, Both ou Off) para alternar entre as baterias ou desligar o sistema. A posição “Both” permite que ambas as baterias sejam utilizadas simultaneamente, enquanto “Off” desconecta completamente o sistema.
3. Manutenção: Verifique periodicamente as conexões e o estado do interruptor para garantir seu funcionamento adequado e seguro.
### Características do Produto
– Design Personalizado e Muito Robusto: Ideal para situações de alta corrente com duas baterias.
– Material Durável: Construído em plástico ABS, resistente a impactos e condições adversas.
– Fácil Instalação: Terminais de 3/8″ (10 mm) que se adaptam a uma variedade de aplicações.
– Versatilidade: Funciona em sistemas de 12 a 48 V, adequado para uma ampla gama de veículos e equipamentos elétricos.
– Segurança: Desconecta a bateria de forma segura, prevenindo descargas indesejadas.
### Perguntas Frequentes (FAQ)
Pergunta: O interruptor é resistente à água?
Resposta: O Ampper Battery Switch é projetado para uso em ambientes marinhos, mas não é completamente à prova d’água. Recomenda-se protegê-lo de exposição direta à água.
Pergunta: Posso usar este interruptor em um sistema de 48V?
Resposta: Sim, o interruptor é compatível com sistemas de 12 a 48 V, tornando-o versátil para diferentes aplicações.
Pergunta: É fácil de instalar?
Resposta: Sim, a instalação é simples e pode ser realizada com ferramentas básicas. Os terminais de 3/8″ (10 mm) facilitam a conexão.
Pergunta: O que acontece se eu deixar o interruptor na posição “Both”?
Resposta: Na posição “Both”, ambas as baterias serão utilizadas simultaneamente, o que pode ser útil para maximizar a energia disponível, mas deve ser monitorado para evitar a descarga excessiva de uma das baterias.
Pergunta: O que significa “momentâneo” na especificação de corrente?
Resposta: “Momentâneo” refere-se à capacidade do interruptor de suportar picos de corrente de 1500 A por um curto período, ideal para situações de partida de motores ou equipamentos que exigem alta corrente temporariamente.
dragonlord –
This switch has proven to be an excellent addition to my DIY projects for my custom power bank. This 12-48 V battery power cut master switch is incredibly reliable and ensures a secure disconnect when needed. The on/off functionality is straightforward and easy to operate, providing peace of mind when isolating the battery for maintenance or safety reasons.
One of the standout features is its robust construction. The switch feels solid and durable, capable of withstanding harsh conditions whether installed in a vehicle, RV, or boat. The installation process was simple and intuitive, with clear instructions that made it easy to get everything set up quickly.
The only minor downside is that it could benefit from slightly larger terminal posts for easier connection with heavier gauge wires. However, this is a small issue compared to the overall effectiveness and reliability of the switch.
I believe this switch is a highly recommended product for any DIYer looking to safely manage their vehicle or RV’s battery connections. Its ease of use, solid build, and dependable performance make it a must-have for ensuring battery safety and maintenance.
Chris Lashley –
It works well. The mounting screws did not work for me. I had to get sheetmetal screws.
Jim –
Works as should good product
Jeff StJohn –
Got this because even with everything off on my camper it was still draining my battery this switch solved all my problems and it very easy to install
Guy Finley –
The compact design allows this power cut off switch to be mounted virtually anywhere. Simple, easy to use on/off rotating knob shuts power off quickly. The components are ruggedly built; knob markings indicate at a quick glance whether the power is on or off. Mounting hardware is included.
Krater –
Der Schalter an sich ist gut verarbeitet. Nach etwas mehr als einem Jahr hat der Schalter von jetzt auf gleich Übergangsprobleme wodurch die Solaranlage sich abgeschaltet hat.
Krater –
I bought this to prevent small current drains from killing the battery on my 25ft travel trailer while it was in storage. Much easier than disconnecting a battery lead each time!
The switch is a good, heavy duty design. I wanted to mount it so that I could shut off the battery power from the outside of the battery box. I didn’t know if the supplied mounting screws would be long enough. Happily they are. I have a group 27 battery box with a group 24 battery. There was easily enough room to fit the switch inside the box and still fit the battery. The switch fit perfectly through a 2″ hole and the supplied screws were long enough to secure it. I used 4 stainless steel washers from the local hardware store to complete the installation. A bead of silicon secured the back cover of the switch to make a nice, waterproof installation.
One safety note. If using this on a trailer, it should be in the “off” position ONLY when the trailer is being stored! If you attempt to tow the trailer with it “off” position, two bad things can happen:
1. Your tow vehicle can’t charge your trailer battery.
2. In the event of a trailer separation, the trailer brakes will not come on.
Tracy –
You can spend hours or lots of money trying to find every power vampire in your RV. I spent two seasons with my battery always being completely dead when I came back to my RV despite all my attempts to get them all shut off. Then after the second season, my battery would no longer take a charge.
My RV dealer suggested a cutoff switch and after some investigation, I went with this one. There are other cheaper and simpler options out there but I wanted something convenient, safe, and durable. This switch really fits the bill nicely. It’s very well made and uses high-grade plastics. The switch has a very solid feel, it’s easy to know if you are switch on or off.
First, there aren’t any instructions with this switch, they’re mostly here on this page. What you will need to install it is an extra battery cable. There is no polarity with this switch but the manufacturer does suggest installing this switch on the ground (negative) side of the battery as it is safer. This makes sense as any owner’s manual or mechanic will tell you to hook up positive first and then negative when installing a battery. When removing one you remove the negative first and then positive, that’s in effect what you’re doing when you install this switch on the negative side.
It took a while but I managed to find a black, 2 gauge battery cable that worked for me: https://amzn.to/2VGcEJg. This switch requires a 3/8″ lug and if you are installing this on an RV or boat your battery probably requires a 3/8″ lug as well. Keep this in mind as there are also cables with 5/16″ lugs (used with motorcycles and other smaller vehicles), either on both or one end. 18″ of length was the perfect size for me as it allowed enough slack to go around the box lid easily.
The kit comes with four hex head bolts, nuts, and a bottom cover. What’s not clearly shown is each of the four side panels is removable so you can pick the best one to remove for your application. Using some trial and error I figured out the proper drill bit size to drill my holes for mounting.
I opted to install this switch on the top of my battery box. I started by placing the bare switch (bottom plate removed) on the lid and marking each hole to drill. With what I believe ended up being a 5/16″ drill bit I drilled each hole. I then removed the panel opposite the “on” indicator as I wanted the “on” side in front and the cables out the back. I hooked up my extra cable and headed out to the RV.
I then made sure the switch was set to “off” and hooked it up to my RVs ground (negative) cable. In the case of my RV this cable is white and you can clearly see it attached to the frame to ground it. With all that done and making sure my switch is still set to “off”, I attached the other end of my extra cable to the battery’s negative terminal. With the switch off you won’t see any sparks when you do this.
At this point, I replaced the bottom cover to have some extra weatherproofing as the bolts easily extend well beyond it. I tightened down the bolts to the lid using the standard hex “star” bit that came with my drill/driver set and holding the nut inside the lid with a ratchet. With that done you’re ready to re-attach your lid to your battery box and give it a try.
Some photos from the manufacturer show a way of installing the switch INSIDE your battery box. There’s no template provided for this so you would have to figure out the size of the hole to make for the switch. This probably is more weatherproof and while I do have a Rotozip (you could also use a hole saw drill bit if you figure out the right size) I wasn’t sure I had enough room with my battery and thought this was overkill.
You could also attach this to the side of the top of the lid with the cables coming out the bottom. With this method though I figured water would be more likely to get in being kicked up from the road or off my truck’s tires. So I decided on top with the cables coming out the back was the best option. You could probably use silicone to seal it if you wanted to, I may do that, but that’s probably overkill as well.
IN USE
In use this switch is simple, turn the switch on and there’s power to your RV, you also need it on to charge your battery if your RV is hooked up to power or your tow vehicle. I flip it on when I come back to my RV.
Once you are going to put your RV in short or long-term storage, switch it off and your days of searching for power vampires or coming back to a dead battery are over. Hopefully, my new battery will last more than two seasons now.
Chris Lashley –
I’m beyond pleased with how well it works. The switch itself is well-designed with a clear “ON” and “OFF” indication, and it rotates smoothly with little effort. The switch has a compact size, so it doesn’t take up too much space, which is perfect for installations in tight areas. It’s designed to handle a wide voltage range of 12V to 48V, which makes it versatile for use in many different applications. The wiring process was straightforward, and the switch fit perfectly where I needed it in my vehicle. For anyone familiar with basic electrical work, this is an easy DIY installation. If not, get someone who knows what they are doing. A simple turn of the knob is all it takes for preventing battery drain when my RV is not in use. When the switch is in the “OFF” position, it completely disconnects the battery, which helps preserve battery life and prevent potential electrical issues. This battery switch is an excellent investment. Considering its affordability, ease of installation, and reliability, it offers great value. By helping me preserve my battery life and offering the convenience of easily disconnecting the power, it has saved me from purchasing new batteries.
Guy Finley –
Used for my portable power station build. This is a quality switch.