Furuno 520T-BLD Bronze Thru Hull B117 Depth/Temp 10-Pin

The Furuno 520T-BLD Bronze Thru-Hull Depth and Temp Transducer with a 10-pin connector delivers dependable depth and temperature readings for small to mid-size boats. Its bronze, low-profile housing minimizes drag on fiberglass or wooden hulls and simplifies installation with a 30-foot cable and right-angle exit.

• Dual-frequency depth and temperature: 50 kHz (600 W) with a 45° beam reaching up to 353 m (1,200 ft); 200 kHz with a 12° beam reaching up to 206 m (700 ft).
• Bronze thru-hull housing with urethane window: Low-profile design reduces drag and provides durable, corrosion-resistant performance.
• 10-pin connector with 30-foot cable: Ready for reliable connections to compatible marine electronics; includes a right-angle cable exit for space-saving installation.
• Installation hole size and hardware: 51 mm (2 in) hole diameter; rubber washer included to tighten the hull nut on irregular hull surfaces.
• Hull compatibility and installation range: Suitable for fiberglass or wood hulls; recommended boat length up to 8 m (25 ft); best performance through hull deadrise of 7°, can accommodate up to 12°.
• Physical specs: Weight 0.9 kg (2.0 lb).
• Additional model options: Plastic P319 and stainless steel SS60 models are available to accommodate different hull materials and deadrise angles.

The transducer delivers dependable depth and temperature data across a broad range of conditions, enabling accurate navigation and environmental awareness. Dual-frequency operation provides wide-area depth in deeper waters with 50 kHz and higher-resolution sensing at 200 kHz for shallower or structure-rich environments. The bronze, low-profile design minimizes drag and helps maintain performance and fuel efficiency, while the included rubber washer and right-angle exit simplify installation on irregular hulls and protect the hull if stepped on. The standard 51 mm hole fits common installations, and the unit supports hull deadrise from 0 to 12 degrees with optimal performance around 7 degrees. The 30-foot cable and 10-pin connector ensure straightforward, reliable connections to compatible marine electronics. For additional material options and deadrise compatibility, consider the Plastic P319 or Stainless Steel SS60 variants.