Marine Electronics Buyer's Guide: Chartplotters, GPS & VHF Radios for First-Time Boaters
A beginner-friendly guide to marine electronics — covering chartplotters, VHF radios, depth finders, AIS, and how to build the right onboard electronics setup.
Free shipping on orders over $150. Learn more
Returns are accepted within 30 days after shipment. To be eligible for a return, items must be unused, uninstalled, and in their original packaging, and proof of purchase is required. The following items are not eligible for return: Installed or used products, clearance or final-sale items, trolling motors, programmed AIS units, KVH Starlink products that are registered or opened, special-order products, or products displaying the notice “This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.” in their description. Opened or unsealed DVDs, CDs, or cartography (unless defective) are not eligible for return. Return Merchandise Authorization (RMA) numbers are required for all returns. Learn more.
Egret Marine ships marine parts and accessories within the contiguous United States only. Orders are typically processed same day if placed before 3pm CST, excluding weekends and holidays. Learn more.
250A Panel Mount 87 Series Circuit Breaker
This 250A Egis Mobile 187 Series Circuit Breaker protects electrical circuits from short circuits and thermal overloads while providing robust manual circuit switching for reliable live load switching. A weatherproof case keeps the circuit protection safe from the environment, and it has high-voltage circuit interrupt current capability that protects circuits connected to large series or parallel-connected battery banks. Convenient round cutout style mounting ensures easy installation into the panels chosen.
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Focal Features
ON/OFF High Visibility Controls
Sealed against dust and moisture penetration. The high-temperature rating for all installation locations.
Circular Design
Compatible with circular cutout enables easy panel installation.
Stainless Steel Hardware / Serrated Flange Nuts
Corrosion and vibration resistance for harsh environment applications.
Proudly Made in the USA
Made in the USA of high-quality components.
WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.
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