What it is

Electrical connections at the mast collect every failure the marine environment can offer: spray, UV, vibration, and the flat-on-curved gap that no off-the-shelf box seals properly. This box is generated to your spar's measurements, so the mounting face sits flush on the mast section instead of bridging it.

How it's built

• Three-piece assembly: box body, cover, and a printed TPU gasket
• IP67 sealing: gasket groove engineered for 25% compression, submersion rated
• UV-stable ASA body, 5 mm walls, built for permanent outdoor mounting
• 316 stainless countersunk fasteners into brass heat-set inserts
• Glanded wire entry sized to your cable runs

Sized to your mast

The reference build wraps an oval section of 200 by 170 mm; the geometry regenerates for any section, oval or round. Send the mast's width and depth (a tape measure and two numbers), the cover size you want, and how many cables enter.

Pricing

By quote, because the box is generated and printed to your measurements. Typical builds land well under what a machined or cast custom enclosure costs, and the quote comes back within 24 hours.