LXD63B450 - 450Amp Circuit Breaker

LXD63B450 - 450Amp Circuit Breaker

The Siemens LXD63B450 Molded Case Circuit Breaker is a robust and reliable solution designed to meet the rigorous demands of industrial and commercial electrical systems. Engineered with a thermal-magnetic trip unit, this circuit breaker provides superior protection against overloads and short circuits, ensuring the safety and longevity of your electrical infrastructure. With a high breaking capacity and compliance with UL 489 and IEC 60947-2 standards, the LXD63B450 stands as a testament to Siemens' commitment to quality and innovation.

Key Features and Benefits:

• Thermal-Magnetic Trip Unit: Offers precise and dependable protection by combining thermal and magnetic trip elements, effectively safeguarding against both gradual and instantaneous electrical faults.
• High Breaking Capacity: Rated at 25kAIC at 600V and 35kAIC at 480V, the LXD63B450 is designed to handle high fault currents, minimizing the risk of damage to the electrical system.
• Compact and Durable Design: With dimensions of 7.5 x 11 x 4 inches, this breaker fits seamlessly into various panel configurations while maintaining robust performance under demanding conditions.
• Non-Interchangeable Trip: Ensures consistent and reliable operation, preventing unauthorized or accidental changes to the trip settings, thus maintaining system integrity.
• No Lugs Installed: Offers flexibility in installation and connectivity, allowing for customized solutions tailored to specific application needs.

Technical Specifications:

• Amperage: 450A
• Poles: 3
• Voltage Ratings: 600V and 480V
• Interrupting Rating: 25kAIC at 600V, 35kAIC at 480V
• Frame Size: LD
• Dimensions: 7.5 inches (W) x 11 inches (H) x 4 inches (D)
• Weight: 18.301 lbs
• Operating Temperature: Standard 40å¡C

Material Compliance and Certifications:

• UL 489: Ensuring the highest safety and performance in electrical distribution and control systems.
• IEC 60947-2: Meeting international standards for low-voltage switchgear and controlgear.
• RoHS Directive: Compliant since July 14, 2008, ensuring the restriction of hazardous substances.
• REACH: Adhering to the latest regulations for the registration, evaluation, authorization, and restriction of chemicals, promoting environmental sustainability.

Suitability:

• Industrial Facilities: Offering robust protection in manufacturing plants, refineries, and other heavy-duty environments.
• Commercial Buildings: Ensuring reliable operation in office buildings, shopping centers, and data centers.
• Power Distribution Systems: Providing critical protection and isolation in utility and infrastructure projects.
• Retrofit and Upgrade Projects: Perfect for replacing or upgrading existing circuit breakers in legacy systems due to its compact size and versatile installation options.

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