LGB3B040B - 40A Circuit Breaker

LGB3B040B - 40A Circuit Breaker

The Siemens LGB3B040B is a robust, high-performance low-voltage circuit breaker designed for demanding applications in both commercial and industrial settings. With its advanced thermal-magnetic trip unit and impressive breaking capacities, this 40-amp, 3-pole circuit breaker ensures reliable protection against overloads and short circuits. Engineered for optimal performance, the LGB3B040B is a UL Listed product that meets stringent safety and performance standards, offering peace of mind and operational efficiency in critical power distribution systems.

Key Features and Benefits:

• Thermal-Magnetic Trip Unit: Provides precise and reliable protection by combining both thermal and magnetic trip mechanisms, ensuring safety against both long-term overloads and short-term surges.
• High Breaking Capacity: Rated at 14kAIC at 600Y/347V and 65kAIC at 480Y/277V, the LGB3B040B is capable of interrupting substantial fault currents, safeguarding equipment and minimizing downtime in high-risk environments.
• Compact and Versatile Design: Its dimensions (3" W x 5.4" H x 2.8" D) allow for flexible integration into various low-voltage panelboards, saving space while maintaining high performance.
• Load Side Lugs Only (TC1GG20): This feature simplifies installation and wiring, reducing the time and effort required for setup and maintenance.
• Wide Wire Range Compatibility: Accommodates wire sizes from 8 AWG to 1/0 AWG, providing flexibility to use with a variety of cable types and sizes in different applications.

Technical Specifications:

• Frame Type: G Frame
• Current Rating: 40 Amperes
• Poles: 3-Pole
• Breaking Capacity: 14kAIC at 600Y/347V; 65kAIC at 480Y/277V
• Dimensions: 3" (W) x 5.4" (H) x 2.8" (D)
• Wire Range: 8 - 1/0 AWG (CU/AL)

Material Compliance and Certifications:

• Compliance: The Siemens LGB3B040B adheres to rigorous quality and safety standards. It is UL Listed, ensuring it meets essential safety requirements for use in the United States. Additionally, it complies with global manufacturing and operational standards, providing dependable performance across various applications. While specific details on RoHS and REACH compliance are not provided, Siemens' commitment to sustainability and regulatory adherence suggests alignment with major environmental directives.

Suitability:

• This circuit breaker is an ideal choice for industrial facilities, commercial buildings, and critical infrastructure where reliable power distribution and protection are paramount. Its high interrupting capacity makes it particularly suited for environments with significant fault current potentials. Whether protecting lighting circuits, power outlets, or heavy machinery, this circuit breaker delivers robust performance and peace of mind, making it a trusted component in any electrical system.

The Siemens LGB3B040B Circuit Breaker is more than just a component; it's a crucial safeguard for your electrical systems, designed to offer peace of mind through its robust performance and protection features. Explore more about this essential circuit breaker today and ensure your systems remain secure and compliant.