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Furuno 520-BLD Bronze Thru-Hull, Low Profile, Transducer, 600w (10-Pin)

SKU: 13350 - UPC: 611679101051 - MPN: 520-BLD
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$198.79 $210.00 ( / )

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Furuno 520-BLD Bronze Thru-Hull Low Profile Transducer - 600W Marine Depth Sounder with 10-Pin Connector Professional-grade bronze thru-hull transducer delivering exceptional depth and fish finding performance for serious anglers and commercial mariners Superior Marine Electronics from the Industry Leader For over 70 years, Furuno has been the trusted choice for...
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Furuno 520-BLD Bronze Thru-Hull, Low Profile, Transducer, 600w (10-Pin) Product Description

Furuno 520-BLD Bronze Thru-Hull Low Profile Transducer - 600W Marine Depth Sounder with 10-Pin Connector

Professional-grade bronze thru-hull transducer delivering exceptional depth and fish finding performance for serious anglers and commercial mariners

Superior Marine Electronics from the Industry Leader

For over 70 years, Furuno has been the trusted choice for marine electronics professionals and enthusiasts worldwide. The Furuno 520-BLD Bronze Thru-Hull Transducer represents decades of engineering excellence, combining 600-watt power output with durable bronze construction for unmatched performance in demanding marine environments.

This low-profile thru-hull transducer delivers crystal-clear depth readings and fish detection capabilities through its advanced dual-frequency technology (50/200 kHz), making it the perfect choice for both recreational boaters and commercial fishing operations seeking reliable underwater imaging.

Technical Specifications & Performance Data

Power & Frequency

  • Power Output: 600 Watts maximum
  • Operating Frequencies: 50 kHz / 200 kHz dual frequency
  • Depth Range: Up to 1,200 feet (366 meters)
  • Beam Angles: 45° (50 kHz) / 15° (200 kHz)

Physical Construction

  • Housing Material: Marine-grade bronze construction
  • Mounting Type: Thru-hull installation
  • Profile: Low-profile design minimizes drag
  • Cable Length: 30 feet (9.1 meters)
  • Connector: 10-pin marine connector

Advanced Features & Benefits

? Professional Bronze Construction

Marine-grade bronze housing provides superior corrosion resistance and durability in saltwater environments, ensuring decades of reliable performance.

⚡ High-Power 600W Performance

Delivers exceptional penetration and clarity with 600-watt power output, providing accurate readings even in challenging water conditions and depths up to 1,200 feet.

? Dual-Frequency Technology

50/200 kHz dual frequencies offer versatile performance: 50 kHz for deep water with wide coverage, 200 kHz for shallow water with fine detail resolution.

? Low-Profile Hydrodynamic Design

Streamlined low-profile housing minimizes drag and turbulence while maintaining optimal sonar performance, perfect for high-speed applications.

? Ready-to-Install Configuration

Includes 30-foot marine cable with 10-pin connector, compatible with Furuno fish finders and depth sounders for easy professional installation.

Installation & Compatibility Information

The Furuno 520-BLD features a thru-hull mounting system designed for permanent installation through the boat's hull. This professional-grade transducer requires proper through-hull installation following ABYC standards for marine electrical systems.

Compatible Equipment

  • Furuno fish finders with 10-pin transducer connections
  • Furuno depth sounders supporting 600W power output
  • Marine electronics requiring 50/200 kHz dual-frequency capability

Installation Requirements

  • Through-hull mounting hardware (included)
  • Proper marine sealant application
  • Professional installation recommended
  • ABYC-compliant electrical connections

Ideal Applications & Use Cases

? Sport Fishing

Perfect for serious anglers requiring precise fish location and bottom structure identification in both shallow and deep waters.

? Commercial Fishing

Professional-grade performance for commercial vessels requiring reliable depth measurement and fish detection capabilities.

⛵ Navigation & Safety

Essential depth information for safe navigation in unfamiliar waters and shallow areas where accurate bottom tracking is critical.

? Scientific Research

Reliable data collection for marine research applications requiring consistent and accurate underwater measurements.

Warranty & Quality Assurance

Backed by Furuno's Limited 3-Year Warranty, this transducer represents the company's commitment to quality and reliability. Furuno's extensive dealer network provides professional installation support and ongoing technical assistance.

Frequently Asked Questions

What's the maximum depth capability of the 520-BLD?

The Furuno 520-BLD can accurately measure depths up to 1,200 feet (366 meters) under optimal conditions, making it suitable for most recreational and commercial fishing applications.

Is this transducer suitable for high-speed applications?

Yes, the low-profile bronze design minimizes drag and turbulence, making it ideal for high-speed trolling and fast cruising while maintaining sonar performance.

What fish finders are compatible with the 10-pin connector?

The 520-BLD is designed for Furuno fish finders and depth sounders with 10-pin transducer connections that support 600-watt power output and dual-frequency operation.

Why choose bronze over plastic for transducer construction?

Bronze construction provides superior durability, corrosion resistance in saltwater, and better sonar performance compared to plastic housings, making it the preferred choice for professional applications.

Can this transducer be used in both fresh and saltwater?

Absolutely. The marine-grade bronze construction and quality components make it suitable for both freshwater and saltwater environments with excellent corrosion resistance.

What installation considerations are important for thru-hull transducers?

Professional installation is recommended, requiring proper through-hull fitting, marine sealant application, and ABYC-compliant electrical connections for optimal performance and safety.

For over 70 years, Furuno has been continuously imagining and creating new solutions, making new marine electronic equipment with the goal of offering both performance and simplicity for everyone. Not only for men and women who make a living on the seas, but also for those who simply want to enjoy the boating lifestyle. For them, Furuno has become synonymous with quality, performance and reliability.

Furuno 520BLD Attributes

  • Mounting Location: Thru-Hull Mount
  • Number Of Pins: 10 Pin
  • Depth: 1200 Feet
  • Power Rating: 600 Watt
  • Frequency Range: 50/ 200 kHz
  • Supported Angle: 45/ 12 Degree Beamwidth
  • Cable Length: 30 Feet

Furuno 520BLD Features & Benefits

  • Low Profile Bronze Thru-Hull
  • 45/15 Degree Beam Angles
  • 30 Foot Cable With 10-Pin Connector
  • Easy To Install
  • Limited 3 Year Warranty

Bronze Thru-Hull, Low Profile, Transducer, 600w (10-Pin)

  • 600 Watts
  • 50/200 kHz
  • 45/15 degree Beam Angles
  • Low Profile Bronze Thru-Hull
  • 30 Foot Cable with 10-Pin Connector



It is an Airmar B117 housing sensor. The device operates at 50/200 kHz dual frequency and includes a 30-foot cable with an 8-pin connector.

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Frequently Asked Questions (FAQ) About Furuno 520-BLD Bronze Thru-Hull, Low Profile, Transducer, 600w (10-Pin)

Who is the Furuno?
How to describe Furuno 520-BLD Bronze Thru-Hull, Low Profile, Transducer, 600w (10-Pin)?
What is the power rating of the product?
Speed feature included to the product?
How to mount or what is the mounting style of Furuno 520-BLD Bronze Thru-Hull, Low Profile, Transducer, 600w (10-Pin)?
This product can read the temprature?
What is the length of cable?

Who is the Furuno?

Furuno is a world-renowned manufacturer and leader of marine electronics that produces an abundance of products. With a large selection of high-end, commercial grade sonar to the compact Black Box sonar, Furuno has one to fit almost any vessel. When it comes to communications, top performance and total reliability are necessities. That's why Furuno radio equipment is tough and dependable.

How to describe Furuno 520-BLD Bronze Thru-Hull, Low Profile, Transducer, 600w (10-Pin)?

It is an Airmar B117 housing sensor. The device operates at 50/200 kHz dual frequency and includes a 30-foot cable with an 8-pin connector.

What is the power rating of the product?

600 Watt

Speed feature included to the product?

No

How to mount or what is the mounting style of Furuno 520-BLD Bronze Thru-Hull, Low Profile, Transducer, 600w (10-Pin)?

Thru-Hull

This product can read the temprature?

No

What is the length of cable?

30 Feet


Save $11 when you buy the Furuno 520-BLD Bronze Thru-Hull, Low Profile, Transducer, 600w (10-Pin) for only $198 from NVN Marine! Same day shipping before 3pm.

Furuno 520-BLD Bronze Thru-Hull, Low Profile, Transducer, 600w (10-Pin) Technical Specifications

Type: 

Marine Navigation & Instruments | Transducers

Vendor: 

Furuno

Weight: 

3.6 lb

Mounting Style: 

Thru-Hull

Temperature: 

No

Speed Included: 

No

Product Manual: 

Download PDF

Product Brochure: 

Download PDF

Furuno 520-BLD Bronze Thru-Hull, Low Profile, Transducer, 600w (10-Pin) User Reviews

Furuno 520-BLD Bronze Thru-Hull, Low Profile, Transducer, 600w (10-Pin) Shipping & Return

Shipping Weight: 

3.6 lb

Box Sizes: 

4.00 (h) x 7.00 (w) x 8.00 (l)

Cubic Feet: 

224.0

Returnable: 

Yes

P65: 

Yes

For detailed shipping policy please check our Shipping Policy and you can find our Return and Refund Policy here.

Furuno 520-BLD Bronze Thru-Hull, Low Profile, Transducer, 600w (10-Pin)

$198.79 $210.00 ( / )