Description
Attwood Battery Selector Switch | Boat Supply Store
Manage dual battery banks on your vessel with this essential 4-position selector switch from Attwood Marine. Engineered for reliability, it offers seamless switching between battery 1, battery 2, both, or off configurations, ensuring consistent power flow. Rated for 175 continuous amps, this switch is suitable for a wide range of marine electrical systems, from trolling motors on a flats boat in Galveston Bay to powering onboard electronics on a center console.
Key Features
- Efficiently switch between Battery 1, Battery 2, Both, or Off.
- Reliable continuous amperage rating of 175A for demanding applications.
- Durable construction designed for harsh marine environments.
- Simple installation with standard battery cable terminations.
- Versatile operation for managing multiple battery banks.
- Prevents accidental discharge of primary batteries.
- Ensures critical systems remain powered during operation.
- Maintains system integrity and extends battery life.
Specifications
| Product Specifications | |
|---|---|
| Amperage Rating (Continuous) | 175 A |
| Amperage Rating (Intermittent) | 250 A (5 sec) |
| Voltage Rating | 12-48V DC |
| Positions | 4 (1, 2, Both, Off) |
| Terminal Stud Size | 3/8 inch |
Who This Is For
This battery selector switch is ideal for boaters operating vessels with dual battery systems, such as those used for trolling motors or multiple electrical circuits. It provides critical functionality for maintaining power to essential equipment and managing battery health effectively.
How It Compares
| Feature | Attwood Battery Selector Switch | Blue Sea Systems |
|---|---|---|
| Positions | 4 | 4 |
| Continuous Amperage | 175A | 160A |
| Intermittent Amperage | 250A | 200A |
| Voltage | 12-48V DC | 12-48V DC |
Common Concerns Answered
Will this switch handle the electrical load of my trolling motor?
With a continuous amperage rating of 175A and an intermittent rating of 250A, this Attwood selector switch is designed to safely manage the demands of most trolling motors and other high-draw marine accessories.
Is it difficult to wire a battery selector switch?
This switch features standard 3/8 inch terminal studs for easy connection to your existing battery cables. Installation difficulty is rated as 1 out of 5, indicating a straightforward process for most DIYers familiar with basic marine electrical wiring.
What happens if I forget to turn the switch off, will it drain my batteries?
The 'Off' position on this selector switch completely disconnects both batteries, preventing any parasitic drain and ensuring your batteries are ready when you need them. This is crucial for maintaining charge on longer trips or when the boat is stored.
Frequently Asked Questions
What are the four positions on this battery selector switch?
The four positions are: Battery 1 only, Battery 2 only, Both batteries (1 and 2) connected, and Off (all batteries disconnected).
What is the maximum voltage this switch can safely operate at?
This Attwood selector switch is rated for DC voltages from 12V up to 48V, making it suitable for a wide range of marine electrical systems.
What size are the terminal studs for connecting battery cables?
The terminal studs are 3/8 inch in diameter, which is a standard size for most marine battery cable lugs.
Can I use this switch to charge both batteries simultaneously?
Yes, the 'Both' position allows for simultaneous charging of both battery banks from your alternator or battery charger, provided your charging system can handle the combined capacity.
What is the purpose of an intermittent amperage rating?
The intermittent amperage rating (250A for 5 seconds) indicates the maximum current the switch can handle for short durations, typically during engine starting or momentary high loads, while the continuous rating (175A) is for sustained operation.
