LGB1B045B - 45Amp Circuit Breaker

LGB1B045B - 45Amp Circuit Breaker

The Siemens LGB1B045B G Frame Circuit Breaker is a top-tier solution engineered for exceptional performance and reliability in low voltage panelboard applications. Designed with a robust thermal-magnetic trip unit, this UL-listed circuit breaker offers high breaking capacity, making it ideal for both commercial and industrial environments where safety and durability are paramount. Its compact design, measuring just 1 inch in width, ensures it fits seamlessly into space-constrained installations while delivering powerful protection with a 45A rating. Perfect for electricians and contractors looking for a dependable and efficient circuit breaker, the LGB1B045B guarantees superior functionality and compliance with rigorous standards.

Key Features and Benefits:

• High Breaking Capacity: With the ability to handle up to 14kAIC at 347V and 65kAIC at 277V, the LGB1B045B provides robust protection against short circuits and electrical faults, ensuring system safety and minimizing downtime.
• Thermal-Magnetic Trip Unit: This advanced feature combines both thermal and magnetic tripping mechanisms, offering precise protection against overloads and short circuits, thus safeguarding your electrical system and connected devices.
• Compact and Lightweight Design: Weighing only 0.860 lbs and with dimensions of 1 x 5.4 x 2.8 inches, this circuit breaker is designed for easy installation and integration into existing panelboards without the need for extensive modifications.
• Versatile Wire Compatibility: Equipped with load side lugs (TC1GG20) supporting a wire range from 8 AWG to 1/0 AWG (CU/AL), it provides flexibility and ease of connection for a variety of wiring needs.
• Durable Construction: Built with high-quality materials to withstand demanding operating conditions, ensuring long-term reliability and reduced maintenance costs.

Technical Specifications:

• Current Rating: 45 Amperes
• Poles: 1
• Interrupting Capacity: 14kAIC at 347V;åÊ65kAIC at 277V
• Trip Unit Type: Thermal-Magnetic
• Dimensions (W x H x D): 1 x 5.4 x 2.8 inches
• Weight: 0.860 lbs
• Wire Range: 8 - 1/0 AWG (Copper/Aluminum)
• Mounting: Panelboard Mount

Material Compliance and Certifications:

• UL Listed: Ensures the product meets rigorous safety and performance standards, making it suitable for use in regulated installations.
• WEEE Take-Back Obligation: Complies with the Waste Electrical and Electronic Equipment directive, supporting sustainable disposal and recycling practices.

Suitability:

• The Siemens LGB1B045B is the perfect choice for applications requiring high reliability and safety in managing electrical loads. Its high breaking capacity makes it suitable for industrial and commercial settings where robust performance is critical. Ideal for use in panelboards, it ensures optimal protection for electrical systems in manufacturing plants, commercial buildings, and other facilities with demanding electrical requirements. Its compliance with UL standards guarantees peace of mind for professionals seeking a dependable circuit breaker solution.

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