LGB3B050B - 50A Circuit Breaker

LGB3B050B - 50A Circuit Breaker

The Siemens LGB3B050B Circuit Breaker is a robust solution designed for demanding low-voltage panelboard applications. This G Frame circuit breaker is equipped with a thermal-magnetic trip unit, ensuring reliable performance and safety in various electrical environments. It is UL listed, offering compliance with industry standards and delivering peace of mind for electrical installations. With a very high breaking capacity of up to 65KAIC at 480Y/277V, this breaker is engineered to handle significant fault currents, making it ideal for both commercial and industrial settings.

Key Features and Benefits:

• High Performance: Designed to protect and manage electrical circuits effectively, the Siemens LGB3B050B features a thermal-magnetic trip unit that combines instantaneous and delayed response to overcurrent, providing both immediate protection and time-delay for longer-term issues.
• Durability: With its robust construction, including load-side lugs only (TC1GG20) and a wide wire range accommodating 8 - 1/0 AWG (CU/AL), this breaker is built to last, ensuring longevity and reliability in harsh environments.
• Compact Design: Measuring just 3 x 5.4 x 2.8 inches, its compact size allows for easy integration into various panelboard configurations without consuming excessive space.
• Safety Compliance: UL listing and high breaking capacity ratings (14KAIC at 600Y/347V and 65KAIC at 480Y/277V) ensure compliance with stringent safety standards and the ability to withstand and interrupt significant fault currents.

Technical Specifications:

• Current Rating: 50 Amperes
• Number of Poles: 3
• Breaking Capacity: 14KAIC at 600Y/347V; 65KAIC at 480Y/277V
• Dimensions (W x H x D): 3 x 5.4 x 2.8 inches
• Weight: 2.756 lbs
• Mounting Type: Panelboard Mount
• Wire Range: 8 - 1/0 AWG (CU/AL)

Material Compliance and Certifications:

• UL Listed: Ensures adherence to the strict safety standards required for electrical components.

Suitability:

• The Siemens LGB3B050B Circuit Breaker is suitable for a range of applications where reliable circuit protection is critical. It excels in both commercial and industrial environments, particularly in systems that demand high breaking capacity. Its compact size makes it a perfect fit for retrofitting or new installations in low-voltage panelboards. Ideal for use by contractors and electricians, this breaker provides the assurance of safety, durability, and compliance with essential electrical standards.

The Siemens LGB3B050B 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.