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BEP Marine 777-BB4S-500 Pro Installer 4-Stud Heavy-Duty Busbar 500A

Manufacturer

BEP Marine

<h3>About BEP Marine</h3><p><strong>BEP Marine</strong> has been a cornerstone of the marine electrical industry since its founding in 1995 in Auckland, New Zealand. Rooted in New Zealand's world-class yachting culture — a scene shaped in no small part by successive America's Cup campaigns — BEP Marine built its reputation on engineering electrical products that could survive the most demanding conditions on the water and beyond. Today, the brand is part of the Navico Group under Brunswick Corporation, and its products are specified as original equipment by leading boat, emergency vehicle, and RV manufacturers worldwide.</p><h3>Engineering for the Harshest Environments</h3><p>What separates BEP Marine from generic electrical suppliers is a relentless focus on real-world performance. Every product in the BEP lineup is designed to meet exacting performance specifications, capable of withstanding prolonged exposure to salt air, moisture, vibration, and extreme temperatures — both at sea and on land. BEP backs this confidence with a &quot;Trusted Quality&quot; 5-year warranty across their product range, a testament to how thoroughly their components are tested before they reach your vessel.</p><p>BEP's engineering culture also prioritizes ease of integration. Whether you're wiring a simple single-battery sailboat or a complex multi-bank power system on a large cruiser, BEP products are designed to slot into both straightforward and comprehensive electrical architectures without hassle. Their innovative product lines — including the CZone digital switching system and the Pro Installer series — represent the cutting edge of onboard power management, allowing boaters to monitor and control circuits from touchscreen interfaces and minimizing valuable space in crowded electrical panels.</p><h3>Core Product Categories</h3><p>BEP Marine's catalog spans the full spectrum of marine power management. At the heart of their offering are <a href="/11486-bep-marine-battery-switch-12204">battery switches</a>, where BEP has pioneered design innovations for decades — from compact On/Off isolation switches to high-capacity selector switches rated at 400A continuous and 600A intermittent. Their award-winning EZ-Mount line (recipient of the prestigious METS DAME award) features an industry-standard footprint that clusters with other Pro Installer components, saving precious onboard space.</p><p>For remote power control and automated charging management, BEP's <a href="/11486-bep-marine-solenoids-202547">solenoids</a> allow boaters to switch high-amperage loads using low-current control circuits — essential for bow thrusters, windlasses, and other high-draw accessories. The Digital Voltage Sensing Relay (DVSR) automates second battery bank charging with exceptional efficiency.</p><p>Rounding out the core lineup, BEP's <a href="/11486-bep-marine-battery-disconnect-switches-200143">battery disconnect switches</a> deliver reliable isolation capability for single or dual battery banks, ensuring your vessel's electrical system can be safely de-energized for maintenance, storage, or emergency situations. Motorized disconnect variants allow remote operation, making them ideal for installations where the battery is difficult to access directly.</p><h3>Who Uses BEP Marine?</h3><p>BEP Marine serves both OEM boat builders and the marine aftermarket, with a product range trusted by recreational boaters, commercial operators, and emergency vehicle fleets across North America, Europe, Asia Pacific, and Oceania. If your application demands reliable, durable, and intelligently designed electrical components, BEP Marine delivers solutions built to go the distance.</p>

Part Number

777-BB4S-500
06/21/2036 2:43 PM
Sale Price

$96.77

In Stock (10+)

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Usually delivered within 2 days

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FREE SHIPPING

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The BEP Marine 777-BB4S-500 Pro Installer Heavy-Duty Busbar is a professional-grade electrical distribution solution designed for marine applications requiring reliable 500-amp power management. This 4-stud busbar features robust construction with tinned CDA102 copper conductors and 8mm (5/16") stainless steel studs rated for 50 VDC operation.

Key Features:

  • 500-amp capacity with 4 connection points for flexible power distribution
  • Clear polycarbonate cover insulates and protects on three sides
  • Snap-out side skirts allow for additional cable entry and improved routing flexibility
  • High-temperature, fiber-reinforced plastic base provides strength and chemical resistance
  • Radiused ends improve cable routing options and reduce stress on connections
  • Long threaded studs accommodate up to 4 large cable lugs per stud
  • Plated brass nuts and stainless steel studs prevent thread galling during tightening
  • Compact footprint measures 3.8" x 1.91" to save valuable space
  • Common interconnection height allows easy linking with other Pro Installer products
  • Secure cover attachment design does not interfere with cabling
  • Additional mounting screw holes for ultimate installation security

Part of the BEP Pro Installer modular system, this busbar is engineered for scalability and designed to meet the demanding requirements of marine electrical installations. All threads are metric for consistent torque specifications, and the tinned copper construction ensures longevity in harsh marine environments.

Products specifications

Amps

500

Size

3.9" x 1.9" x 2.4"

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