LD63B350L - 350Amp Circuit Breaker

LD63B350L - 350Amp Circuit Breaker

The Siemens LD63B350L circuit breaker is an essential component for any industrial or commercial electrical system. This low voltage SENTRON molded case circuit breaker is designed with a thermal-magnetic trip unit, ensuring reliable protection and performance. It operates efficiently at a standard temperature of 40 degrees Celsius and meets stringent UL 489 and IEC 60947-2 standards, guaranteeing safety and compliance in a variety of environments. With a 350A current rating and a 3-pole configuration, this breaker offers robust protection with a breaking capacity of 25kAIC at 600V and 35kAIC at 480V, making it suitable for demanding applications.

Key Features and Benefits:

• Thermal-Magnetic Trip Unit: Ensures rapid response to overloads and short circuits, enhancing safety and reliability.
• Robust Design: The LD frame with standard breaking capacity meets UL 489 and IEC 60947-2 standards, ensuring compliance and safety.
• High Breaking Capacity: Capable of handling up to 25kAIC at 600V and 35kAIC at 480V, providing protection in high-demand settings.
• Versatile Connectivity: Equipped with line and load side lugs (TA2J6500) that support a wide range of wire sizes, including 3/0AWG - 500kcm (CU) and 4/0AWG - 500kcm (AL).
• Compact Dimensions: Measures 7.5 x 11 x 4 inches, allowing for flexible installation in various configurations.

Technical Specifications:

• Frame Type: LD Frame
• Breaking Capacity: 25kAIC at 600V, 35kAIC at 480V
• Current Rating: 350A
• Poles: 3
• Wire Range: 3/0AWG - 500kcm (CU), 4/0AWG - 500kcm (AL)
• Dimensions (W x H x D): 7.5 x 11 x 4 inches
• Net Weight: 19.533 lbs

Material Compliance and Certifications:

• The Siemens LD63B350L circuit breaker complies with UL 489 and IEC 60947-2 standards, ensuring it meets the necessary safety and performance requirements. While specific RoHS compliance information is not available, Siemens is committed to environmental responsibility and sustainable product design.

Suitability:

• Ideal for industrial and commercial electrical systems, the LD63B350L circuit breaker provides reliable and efficient protection against overloads and short circuits. Its high breaking capacity makes it suitable for use in environments where electrical demand is significant, ensuring safety and performance under challenging conditions. With its compact design and versatile connectivity options, this circuit breaker is perfect for a wide range of applications, from manufacturing plants to commercial buildings.

By choosing the Siemens LD63B350L circuit breaker, you are investing in a product that delivers superior protection, reliability, and compliance, ensuring the safety and efficiency of your electrical system.

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