9999R45

Introducing the Square D 9999R45 3-Pole Circuit Breaker from Schneider Electric, a versatile and reliable solution for your electrical distribution needs. This breaker is designed to provide superior protection against overloads, short circuits, and other electrical faults, ensuring the safety and efficiency of your electrical system.

The Square D 9999R45 breaker is a 3-pole, 3-phase, low-voltage circuit breaker, suitable for use in industrial and commercial applications. It is rated for a current capacity of 600 amps and a voltage class of 480 volts. The breaker's frame is constructed of rugged, corrosion-resistant material, ensuring durability and long-lasting performance in even the most demanding environments.

One of the key features of the Square D 9999R45 breaker is its high short-circuit breaking capacity. It is designed to safely interrupt short-circuit currents of up to 50,000 amps, providing excellent protection against damaging electrical faults. The breaker's trip unit is designed to respond quickly and accurately to overloads and short circuits, minimizing downtime and reducing the risk of electrical fires.

* A visual trip indicator that clearly displays the breaker's status, allowing for easy identification of tripped or faulty breakers

* A ground fault protection function that detects and isolates ground faults, reducing the risk of electrical shocks and other hazards

* A trip free feature that allows the breaker to reset automatically after a trip, reducing the need for manual intervention

* A variety of mounting options, including top, side, and back mounting, to accommodate different installation configurations

Overall, the Square D 9999R45 3-Pole Circuit Breaker from Schneider Electric is an excellent choice for industrial and commercial electrical applications that require high current capacity, superior protection against electrical faults, and ease of use. Its rugged construction, advanced features, and reliable performance make it a trusted solution for electrical distribution systems around the world.

The Schneider Electric Square D 9999R45 series is a popular line of industrial circuit breakers known for their durability and reliability. Here are some pros and cons of buying this specific model:

1. High Breaking Capacity: The Square D 9999R45 circuit breaker comes with a high breaking capacity, making it suitable for heavy industrial applications.

2. Rugged Design: This circuit breaker is designed to withstand harsh environments, including extreme temperatures and vibrations.

3. Easy Installation: The Square D 9999R45 circuit breaker features a modular design that makes it easy to install and maintain.

4. Safety Features: This circuit breaker comes with various safety features, including ground fault detection and overload protection, ensuring the safety of the electrical system and operators.

1. Cost: The Square D 9999R45 circuit breaker is a high-end model and can be quite expensive compared to other circuit breakers in the market.

2. Complexity: This circuit breaker is designed for industrial applications and can be quite complex to install and maintain for those without extensive electrical knowledge.

3. Size: The Square D 9999R45 circuit breaker is a large unit and requires considerable space, making it less suitable for smaller applications or installations with limited space.

In conclusion, the Schneider Electric Square D 9999R45 circuit breaker is a reliable and durable option for industrial applications that require high breaking capacity and can withstand harsh environments. However, it comes with a high cost and requires considerable installation and maintenance expertise. Therefore, it is recommended for larger industrial applications where safety, reliability, and high breaking capacity are essential. For smaller applications or installations with limited space or budget, other circuit breaker models may be more suitable.

Details:

Packaging and handling: items are safely eds packaged in custom shipping cartons for protection. Sells new and surplus product develops channels to purchase such. All products are guaranteed to be working but may show signs of use if purchasing a used product. Call to use a shipping service other than the ones listed.

Part number 9999R45.

specifications indusswitch:

• brand: Square D
• mpn: 9999r45

general indusswitch:

• category: Business & Industrial > Electrical Equipment Supplies > Switches > Accessories

seller indusswitch:

• rating: 99.6%
• # reviews: 194161
• city: 1 millennium dr, willingboro, nj 08046

offer indusswitch:

• options: ship-to-home
• prices: $7.99–$147.66
• item condition:
  • New
  • New – Open box
  • Used
• availability: in stock
• started: march 12, 2026
• in stock #: 5
• sold #: 8

shipping indusswitch:

• type: fixed
• service: standard
• transit: 30-35 days
• class: standard

payments indusswitch:

• credit card: diners-club
• other
• wallet: apple-pay

returns indusswitch:

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

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