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LB3400 400A Circuit Breaker

  • 400 Amp
  • 22k @ 600VAC; 30k @ 480VAC; 42k @ 240VAC
  • 3 Pole
Circuit BreakersSKU: LB3400 [NS]

Purchase Options: New Surplus

LB3400 400A Circuit Breaker Description

LB3400 400A Circuit Breaker

The LB3400 Thermal Magnetic Circuit Breaker is a high-performance device meticulously crafted to ensure the safety and reliability of your electrical systems. Designed for industrial and commercial environments, this breaker boasts a 400A capacity with a 3-pole configuration, making it an essential component for protecting and maintaining high-demand electrical infrastructures.

Key Features and Benefits:

  • Thermal Magnetic Protection: This breaker integrates thermal and magnetic trip mechanisms to safeguard against both overloads and short circuits, offering comprehensive protection for your electrical systems.
  • Interchangeable Trip Units: The inclusion of interchangeable trip units allows for flexible adaptation to specific application needs, enhancing the breaker's versatility.
  • Compact and Durable Design: The breaker’s compact size ensures easy integration into existing systems, making it a practical choice for maintenance while maintaining durability and high performance.
  • Load-Side Terminals Included: Comes with load-side terminals for secure and efficient connections, simplifying the installation process and enhancing overall system reliability.

Technical Specifications:

  • Poles: 3
  • Amperes: 400A
  • AIC Rating & Volts: 42k @ 240VAC; 30k @ 480VAC; 22k @ 600VAC
  • Dimensions: 5.50"W x 10.13"L x 3.94"D
  • Frame Type: LB
  • Operating Temperature: 40°C rated
  • Weight: 16 lbs

Material Compliance and Certifications:

  • The LB3400 circuit breaker is designed to meet strict industry standards, ensuring it complies with all relevant safety and quality regulations. Its construction is tailored for durability and long-term reliability, making it a trusted component for critical electrical systems. This breaker adheres to all necessary certifications, guaranteeing safe and dependable operation in demanding industrial and commercial environments.

Suitability:

  • The LB3400 circuit breaker is specifically designed for maintenance applications within large-scale industrial and commercial electrical systems. Its compact design, coupled with a robust amperage capacity and high fault interruption rating, makes it ideal for environments where both space and performance are critical. Perfect for maintaining and safeguarding existing systems, the LB3400 ensures reliable and safe operation without the need for a complete system overhaul.

Specifications

  • Width:5.5
  • Height:10.13
  • Depth:3.94
  • Poles:3
  • Amperes:400
  • A.I.C. Rating & Volts:22k @ 600VAC; 30k @ 480VAC; 42k @ 240VAC
  • Type:LB
  • Approx Dimensions:5.50"W x 10.13"L x 3.94"D
  • Additional Notes:40°C Rated, Thermal Magnetic Circuit Breaker With Interchangeable Trip Unit. This item includes load-side terminals.

Returns are easy

You may return unused items within 30 days of delivery for a full refund.

FREE shipping on breaker orders over $100 and all other items with orders over $500.

CIRCUIT BREAKER SUPERSTORE® offers one to five day delivery in the United States. The variation depends on the chosen shipping speed and the warehouse location for the product(s).

Same Day Shipping

We strive to ship out your items within one business day.

In rare circumstances, CIRCUIT BREAKER SUPERSTORE® may reserve up to 5 business days to complete shipment. Feel free to contact us if your order is time sensitive.

CIRCUIT BREAKER SUPERSTORE® provides a limited 1-year warranty on both new and reconditioned products. Rest assured, all products are authentic OEM (original equipment manufacturer).

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