Blue Sea Systems Durchführungsbolzen DFB
Blue Sea Systems · Busbars & Bolts
DFB implementation bolt
The Blue Sea Systems (BSS 2203/2204) feed-through bolt (DFB) is an insulated connection bolt that routes high-current cables through the hull, deck, or bulkhead without chafing and with strain relief. A threaded bolt on both sides ensures a secure connection between the cable sections, while the mounting surface can be sealed or encapsulated, allowing for a watertight installation.
- Nickel-plated copper
- Robust construction
In detail. DFB implementation bolt.
Advantages
- Prevents chafing and provides strain relief when routing high-current cables through holes in the hull, deck, and bulkhead
- Large mounting surface can be sealed or encapsulated – watertight installation possible (IP66, protected against strong water jets)
- One-Piece Serrated Flange Nut ensures a correct and permanently secure connection
- Available in black and red for clear positive/negative identification in the on-board electrical system
Technical data
| Feature | Value |
|---|---|
| Threaded bolt | 3/8"-16, on both sides for cable routing |
| Continuous current | 250 A DC |
| Max. operating voltage | 48 V DC |
| Bolt material | tinned copper alloy |
| Mounting | #10 (M5) screws |
| Protection class | IP66 (protected against strong water jets) |
| Black variant | SKU 700122203, 31.65 EUR |
| Red variant | SKU 700122204, 31.65 EUR |
Manufacturer and product safety
Navico Group Americas LLC (Marke Blue Sea Systems)
N85 W12545 Westbrook Crossing
Menomonee Falls, WI 53051
USA
www.bluesea.com/contact
Safety information: see the operating manual and data sheet.
Frequently asked questions. Answered briefly.
Where is the DFB feed-through bolt used?
The DFB is used wherever high-current cables need to pass through a hole in the hull, deck, or bulkhead – for example, between the engine room and the battery bank, or for wiring bow thrusters and anchor winches. The sealed mounting surface keeps the feed-through watertight even under splash water, while the strain relief protects the cable from vibrations and mechanical stress.
Goes well with it. Accessories and add-ons.
Prefer a quick chat?
Tell us what you are planning. We will tell you honestly what you need and what you don’t.
