• Home
  • Battery selector switch BWS 353
  • Blue Sea Systems Batteriewahlschalter BWS 353
Blue Sea Systems

Battery selector switch BWS 353

Zuletzt aktualisiert:

Art.-Nr.: 700111001

€79,67
€79,67
Sale Sold out
Tax included. Shipping calculated at checkout.
Verfügbar – In 2–3 Werktagen bei Ihnen zu Hause

The battery selector switch BWS 353 from the Blue Sea Systems e-series selects between two isolated battery banks and additionally protects the alternator's diode bridge thanks to an integrated Alternator Field Disconnect (AFD) function, should the switch accidentally be set to OFF while the engine is running.

Advantages

  • 3 switch positions to select between two isolated battery banks
  • Integrated Alternator Field Disconnect (AFD) function to protect alternator diodes
  • High continuous current of 350 A for demanding electrical systems
  • Tin-plated copper studs for maximum conductivity and corrosion protection
  • One-piece stud design that won't loosen even under vibration

Technical Data & Compatibility

  • Switch function: Selector 3 Position with AFD – selects between two isolated battery banks, without combine function
  • Continuous current: 350 A
  • Peak current: 1,200 A / 30 sec. (Intermittent 5 min.: 600 A)
  • Voltage: max. 32 V DC
  • Mounting type: universal flush, surface, or panel mount
  • Connections: Studs for 3/8" (M10) ring terminals, cables up to 4/0 AWG (120 mm²)

What is the purpose of the AFD function in the BWS 353?

If a battery selector switch is accidentally set to OFF while the engine is running, this can damage the alternator's diodes because the excitation field can no longer be de-energized. The Alternator Field Disconnect (AFD) function integrated in the BWS 353 specifically disconnects the alternator's excitation circuit in this case, thus protecting the diode bridge from consequential damage.

This makes the BWS 353 particularly suitable for boats and off-road vehicles where the switch is operated during ongoing operation and additional protection for the alternator is desired.

Kontaktdaten des Herstellers:

Navico Group EMEA B.V.
Snijdersbergweg 93
1105AN Amsterdam

⚠️Safety data sheet can be found under Downloads!
⭳ Downloads

Deutsche Downloads

Blue Sea Systems Batteriewahlschalter BWS 353
Battery selector switch BWS 353
€79,67
€79,67


Technology that convinces – Service you can rely on

Individual Consultation

Not sure which product suits your electrical system? We can help you – personally, competently and directly. Our team knows every component and will advise you so that everything works reliably from day one.

Tested Quality – Made in Germany

All philippi products are developed, manufactured, and tested by us in Remseck before delivery. What you buy from us meets the highest quality standards – and reliably performs even under demanding conditions on board.

After-sales support – we're still with you

Questions about installation, integration into the existing electrical system, or operation? We are here for you even after your purchase. Should something not work as expected, we will repair philippi devices as long as spare parts are available – so that your investment is protected in the long term.

Our FAQ

Here you will find our customers' most frequently asked questions!

Most philippi components are designed for compatibility with common marine and vehicle electrical systems. Before ordering, please check the technical specifications (dimensions, voltage, connection type) in the product description. If you are unsure, our support team will be happy to assist you.

Available items are usually shipped within 2–3 business days. You can see the current stock status directly on the product page. Shipping is free for purchases over €250.

You can return your order within the statutory right of withdrawal. Please use our return form or contact our support team – we can also help you find a suitable replacement product.

Yes. philippi products are manufactured and tested in our own factory in Remseck. In the event of a defect, we repair devices as long as spare parts are available – even far beyond the statutory warranty.

All available documents (dimensioned drawings, data sheets, safety instructions) can be found in the "Downloads" section directly on the respective product page.

Many components such as circuit breakers, terminals, or connectors are designed for self-assembly. For questions regarding proper installation or for more complex systems, we recommend contacting our consulting team in advance.

Contact our team by phone or email, or book a personal consultation. We know every component and will work with you to find the right solution for your project.

Customers also bought

We help you make the right decision.

Book your personal consultation now and gain clarity for your project.

Book a consultation now

Fuel sender

Still unsure which fuel sender is the right one?

Discover fuel senders

Design your panel according to your wishes

With our factory, you can design your panel according to your wishes.

Configure panel