LGB2B040B - 40Amp Circuit Breaker

LGB2B040B - 40Amp Circuit Breaker

The Siemens LGB2B040B is a robust and reliable low-voltage panelboard-mounted circuit breaker from Siemens' renowned G-frame series. Designed with a thermal-magnetic trip unit, this circuit breaker offers high breaking capacity, ensuring optimal performance and safety in both residential and industrial applications. Its compact dimensions and advanced engineering make it a versatile choice for protecting electrical circuits from overloads and short circuits.

Key Features and Benefits:

• High Breaking Capacity: Rated at 14KAIC at 600Y/347V and 65KAIC at 480Y/277V, this circuit breaker can handle significant fault currents, providing reliable protection in various voltage settings.
• Thermal-Magnetic Trip Unit: Combines thermal and magnetic protection mechanisms to offer comprehensive safety against overcurrent and short circuits.
• Compact Design: Measuring 2 x 5.4 x 2.8 inches, it fits neatly into standard panelboards, making it ideal for space-constrained installations.
• Load Side Lugs: Equipped with load side lugs (TC1GG20), accommodating wire ranges from 8 AWG to 1/0 AWG (copper/aluminum), ensuring ease of installation and secure connections.

Technical Specifications:

• Amperage: 40A
• Poles: 2
• Voltage Ratings: 600Y/347V and 480Y/277V
• Breaking Capacity: 14KAIC at 600Y/347V and 65KAIC at 480Y/277V
• Dimensions: 2 inches (W) x 5.4 inches (H) x 2.8 inches (D)
• Net Weight: 1.852 lb
• Wire Range: 8 - 1/0 AWG (CU/AL)

Material Compliance and Certifications:

• UL Listed: This certification guarantees that the LGB2B040B meets rigorous safety standards, making it a trusted component in electrical installations.

Suitability:

• Commercial and Industrial: Suitable for protecting circuits in commercial buildings, manufacturing plants, and other industrial settings where high performance and reliability are critical.
• Residential: Perfect for safeguarding electrical systems in homes, ensuring protection against potential electrical hazards.
• Panelboards and Load Centers: Designed for easy integration into Siemens low voltage panelboards and load centers, facilitating streamlined and efficient installations.

The Siemens LGB2B040B is not just a circuit breaker; it's a critical component in ensuring the safety and efficiency of your electrical systems. Whether for new installations or upgrading existing setups, this circuit breaker stands out as a reliable choice in the industry.

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