ER-073-300A

The Erayco ER-073-300A 300 Amp Circuit Breaker is a versatile and reliable solution for managing electrical current in various applications, ranging from 12 to 48 volts and compatible with 0-8 gauge wires. This circuit breaker, manufactured by Erayco, is designed to offer maximum protection against overcurrent situations, ensuring safety and efficiency in your electrical systems.

This 300 Amp Circuit Breaker is built with high-quality materials, ensuring durability and long-lasting performance. Its robust construction includes a copper-alloy trip mechanism, which is known for its excellent conductivity and resistance to wear and tear. The breaker housing is made from a sturdy die-cast aluminum material, making it lightweight yet strong and resilient to external influences.

The ER-073-300A circuit breaker comes with a clear and easy-to-read amperage rating of 300 Amps, which makes it simple to identify and install in the appropriate electrical circuit. Its 12 to 48-volt operating range makes it suitable for use in various applications, such as automotive, industrial, and off-grid power systems.

This manual reset circuit breaker is designed for 0-8 gauge wires, ensuring a snug and secure fit. Its compact size and lightweight design make it easy to install and integrate into various electrical systems. The breaker features a visible trip indicator, which illuminates when the breaker trips, alerting you to any potential overcurrent issues.

To reset the circuit breaker, simply locate the tripped switch, and move it back to its original position, allowing the electrical current to flow once again. The breaker will automatically reset, protecting your electrical system from any further damage caused by overcurrent conditions.

In summary, the Erayco ER-073-300A 300 Amp Circuit Breaker is a durable, versatile, and reliable solution for managing electrical current in various applications. Its robust construction, clear amperage rating, and wide voltage range make it an excellent choice for automotive, industrial, and off-grid power systems. Additionally, its manual reset feature ensures safety and ease of use, making it a valuable addition to any electrical installation.

A Detailed Analysis of the Erayco ER-073-300A 300A Circuit Breaker

The Erayco ER-073-300A 300A circuit breaker is a popular option for those in need of a reliable and heavy-duty circuit protection solution. In this analysis, we will discuss the key features, pros, cons, and an ultimate recommendation.

- 300A circuit breaker

- Manual reset

- 12-48V DC application

- 0-8 gauge

- UL listed

1. **Heavy-Duty:** The Erayco ER-073-300A circuit breaker is designed to handle heavy current loads, making it an ideal choice for industrial applications, off-grid systems, and large solar installations.

2. **Manual Reset:** The manual reset feature allows for easy resetting of the circuit breaker, providing quick troubleshooting and restoration of power in the event of a tripped circuit.

3. **Versatile Voltage Range:** With a voltage range of 12-48V DC, this circuit breaker can be used in a variety of applications, such as RVs, boats, solar energy systems, and industrial machinery.

4. **Wide Current Range:** The 0-8 gauge current range caters to a broad spectrum of applications, from small to large electrical systems.

5. **UL Listed:** UL (Underwriters Laboratories) listing signifies that this circuit breaker has been tested and meets the rigorous safety and performance standards set by UL.

1. **Manual Reset:** Although the manual reset feature is convenient, it may not be as user-friendly as automatic reset circuit breakers, which can save time and effort during frequent resets.

2. **Size and Weight:** As a heavy-duty circuit breaker, the Erayco ER-073-300A is larger and heavier than some other options, making it less portable and more challenging to install in confined spaces.

The Erayco ER-073-300A 300A circuit breaker is a robust and reliable solution for applications requiring heavy current protection. Its manual reset feature, versatile voltage and current range, and UL listing make it a popular choice for industrial, off-grid, and solar energy applications. However, its larger size and weight, as well as the manual reset requirement, are considerations that potential buyers should keep in mind when making their decision.

If you are in need of a heavy-duty circuit breaker for industrial, off-grid, or solar energy applications, and you can accommodate its larger size and manual reset feature, the Erayco ER-073-300A 300A circuit breaker is a recommended option due to its robust construction, versatility, and safety certifications.

Details:

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. 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 systems. Wire gauge: accept 0/2/4/8 specification power cord, with adapter, wiring input bat input, output aux.

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 fuse. Manual reset design: manual reset button, the red button on circuit breaker can be used as main disconnect switch of circuit, and also a kill.

specifications fuseaud:

• brand: Erayco
• mpn: Er-073-300a
• unitvalue: 1.00
• type: Circuit Breaker

shipping fuseaud:

• service: standard
• transit: 3-8 days
• type: fixed
• class: standard

offer fuseaud:

• started: december 9, 2025
• availability: in stock
• in stock #: 3
• options: ship-to-home
• prices: $29.71–$35.61
• item condition: New
• sold #: 15

seller fuseaud:

• # reviews: 514
• city: west berlin, new jersey
• rating: 99.8%

general fuseaud:

• category: Electronics > Vehicle Gps > Car Audio Video Installation > Fuses Holders

returns fuseaud:

• time: 30 days
• policy: returns accepted
• paid by: seller
• method: money back

payments fuseaud:

• wallet: apple-pay
• other
• credit card: mastercard