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Erayco 300 Amp Circuit Breaker with Manual Reset, 12-48 Volt DC, 0-8 Gauge Trolling Motor Car Stereo Audio Inline Fuse Block Holders Inverter for Automotive Rv Marine Boat (300A)

  • Based on 230 reviews
Condition: New
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Availability: In Stock.
Fulfilled by Amazon

Arrives Wednesday, Aug 5
Order within 10 hours and 52 minutes
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Style: 300Amp


Features

  • SAFE AND PRACTICAL: Built-in high-current wiring board, high sensitivity, high-tech waterproof housing, with protective rubber bolt cover, can protect your trolling motor from electrical damage, saving you the cost of replacing the fuse
  • MANUAL RESET DESIGN: Manual reset button, the red button on the circuit breaker can be used as the main disconnect switch of the circuit, and can also be used as a kill switch
  • RATED POWER: Current 50A 60A 80A 100A 150A 200A 250A 300A, newly designed manual reset circuit breaker, compatible with all 12, 24 volt and 48 volt systems
  • WIRE GAUGE: Accept 0/2/4/8 specification power cord, with adapter, wiring input (BAT) input, output (AUX) output. Install on the panel or firewall
  • WIDE APPLICATION: Provide protection under overload or short circuit conditions in car audio/video systems, ships, trucks, buses, ATV winches, marine and DC sound amplifier systems

Description

ERAYCO help you bring new ideas and various selection of connection methods with a range of accessories. ERAYCO specializes in providing customers with high-quality terminal blocks, circuit breaker, electronic component, etc. We are committed to creating a complete solution for the terminals and connectors for customers around the world Our products are widely applied to electronic equipment, railway industry, machine building, plant engineering, process industry, etc. We can supply a wide range of products to meet ever-changing market demands. Protects the trolling motor from electrical damage, prevents exexxive current and stops power surges from damaging Amps. 1. Circuit break protection: When the current reaches the cut-off value, the long handle automatically bounces and cuts off the power supply. Generally, it trips in a short circuit condition. After the fault is eliminated, press the long handle back to the original position to form a path. 2. Manually cut off the power: We need to disconnect the circuit when refitting, and directly press the oval red button on the insurance. At this time, the long handle automatically pops up to cut off the power. Connect as above, then press the long handle back to its original position. Note: 1. Wiring IN (BAT) incoming, OUT (AUX) outgoing. 2. No need to disassemble or install insurance core when break down. Just switch on or off the device. 3. Please order and use the Circuit Breaker with right work temperature, to avoid it is too heat and stop work. 4. Please correctly push the button to avoid damage the Circuit Breaker. Package included: 1x Circuit Breaker Car Audio Inline Fuse 1 x Hexagon Wrenches (M5)

Brand: Erayco


Current Rating: 300 Amps


Product Dimensions: 4"D x 2.5"W x 1.5"H


Circuit Breaker Type: Standard


Mounting Type: Surface Mount


Brand Name: Erayco


Model: ER-073-300A


Part Number: ER-073-300A


Manufacturer: Erayco


Current Rating: 300 Amps


Circuit Breaker Type: Standard


Mounting Type: Surface Mount


Number of Poles: 3


Voltage: 48 Volts (DC)


Item Dimensions D x W x H: 4"D x 2.5"W x 1.5"H


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Wednesday, Aug 5

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Leasing options through Acima may also be available during checkout.

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Top Amazon Reviews


  • Way better then fusess
Style: 300Amp
Same as pictures- works great when adding things - better then fuses
Reviewed in the United States on May 5, 2026 by Mark Kozlowski

  • Quality
Style: 300Amp
Great product for the price. The plastic caps are fragile, possibly to melt if placed under the hood of a car. Overall I would purchase again.
Reviewed in the United States on November 24, 2025 by Hank Hamilton

  • Works better than fuses
Style: 300Amp
Works great. Trips at 3 seconds of 303 amps. At 305 drops to 1 second. Most don't think to test this but it is very important. Beats a fuse and of it goes bad in a year you can buy another and still be in a better position than with a fuse
Reviewed in the United States on August 26, 2025 by Basshead

  • Use with caution
Style: 300Amp
Plastic end covers break easy leaving connections exposed
Reviewed in the United States on January 11, 2026 by Paul snow

  • Highly recommended
Style: 300Amp
Long overdue, tired of fuses and it works perfectly
Reviewed in the United States on January 5, 2026 by Nathaniel Pierce

  • nice high ampere breaker
Style: 300Amp
a nice high ampere breaker. used for an onboard 2000 W inverter. good quality. installed easily. functions properly.
Reviewed in the United States on June 26, 2025 by Nick W

  • Doesn’t perform as specified
Style: 300Amp
Not sure what the interior is made out of, but it’s popping at 150 A even though it’s supposed to pop at 300.
Reviewed in the United States on April 7, 2026 by Blondie

  • this work great.
Style: 300Amp
Used it for my car fans.
Reviewed in the United States on January 11, 2025 by jagco1

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