LGB2B125B - 125Amp Circuit Breaker

LGB2B125B - 125Amp Circuit Breaker

Introducing the Siemens LGB2B125B, a premier low voltage panelboard mount G frame circuit breaker with a robust thermal-magnetic trip unit. Engineered for high-demand applications, this circuit breaker delivers exceptional performance with its very high breaking capacity, ensuring reliable and efficient power distribution in both commercial and industrial settings. Whether you are upgrading your electrical panel or installing a new system, the Siemens LGB2B125B stands out as the top choice for electrical professionals seeking durability, safety, and compliance.

Key Features and Benefits:

• High Breaking Capacity: Capable of handling severe short-circuit conditions, this circuit breaker boasts a breaking capacity of 14kAIC at 600Y/347V and 65kAIC at 480Y/277V, making it ideal for environments with high fault current potentials.
• Thermal-Magnetic Trip Unit: The built-in thermal-magnetic trip unit offers precise protection by combining instantaneous magnetic trip with a delayed thermal trip, safeguarding your electrical system against overloads and short circuits.
• Compact and Efficient Design: With dimensions of 2 inches in width, 5.4 inches in height, and 2.8 inches in depth, the Siemens LGB2B125B is designed to fit seamlessly into panelboards without occupying excessive space.
• Load Side Lugs: Equipped with load side lugs (TC1GG20), this breaker supports a wire range from 8 AWG to 1/0 AWG, providing flexibility for various wiring configurations with both copper and aluminum conductors.
• UL Listed and Reliable: The LGB frame is UL listed, ensuring compliance with industry standards and offering peace of mind through its verified reliability and safety.

Technical Specifications:

• Rated Current: 125 Amperes
• Number of Poles: 2
• Voltage Rating: 600Y/347V and 480Y/277V
• Breaking Capacity: 14kAIC at 600Y/347V and 65kAIC at 480Y/277V
• Wire Range: 8 AWG to 1/0 AWG (Copper/Aluminum)
• Dimensions: 2‰۝ (W) x 5.4‰۝ (H) x 2.8‰۝ (D)
• Weight: 1.852 lbs

Material Compliance and Certifications:

• The Siemens LGB2B125B complies with all relevant industry standards, ensuring it meets the rigorous requirements of modern electrical installations. Its UL listing confirms adherence to strict safety and performance criteria, making it a trustworthy component in your electrical system.

Suitability:

• Commercial Buildings: Perfect for commercial panelboards requiring high performance and reliability in protecting circuits from overcurrent conditions.
• Industrial Facilities: Designed to withstand the rigors of industrial environments, offering dependable protection in high-power applications.
• Retrofits and Upgrades: Its compact size and flexible wiring options make it an excellent choice for upgrading existing panelboards or integrating into new installations.

Whether you are an electrician, contractor, or facility manager, this circuit breaker delivers the quality and performance that professionals demand.

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