MD63B800L - 800Amp Circuit Breaker

MD63B800L - 800Amp Circuit Breaker

The Siemens MD63B800L is a high-performance molded case circuit breaker designed to deliver robust protection and reliability for your electrical systems. Engineered with a thermal-magnetic trip unit, this circuit breaker ensures precise overload and short circuit protection. With a standard 40-degree Celsius breaker MD frame, it offers a standard breaking capacity that meets UL 489 and IEC 60947-2 standards. Rated at 800A, this 3-pole breaker provides superior performance with an interrupting rating of 25kAIC at 600V and 50kAIC at 480V, making it suitable for a wide range of industrial applications.

Key Features and Benefits:

• Thermal-Magnetic Trip Unit: Ensures accurate and reliable protection against overloads and short circuits.
• High Breaking Capacity: With 25kAIC at 600V and 50kAIC at 480V, it can handle high fault currents, enhancing safety and system reliability.
• Standard MD Frame: Designed for durability and consistent performance, suitable for demanding industrial environments.
• Compliance with UL 489 and IEC 60947-2: Meets stringent international standards, ensuring high safety and reliability.
• Line and Load Side Lugs (TA3K500): Facilitates easy and secure wiring with a wire range of 1/0AWG to 500KCM (CU/AL).
• Compact Dimensions: Measures 9 x 16 x 6 inches, making it a versatile choice for various installation configurations.

Technical Specifications:

• Frame Type: MD Frame
• Rated Current: 800A
• Number of Poles: 3
• Interrupting Rating: 25kAIC at 600V;åÊ50kAIC at 480V
• Standards Compliance: UL 489, IEC 60947-2
• Special Features: Line and load side lugs (TA3K500)
• Wire Range: 1/0AWG to 500KCM (CU/AL)
• Dimensions (W x H x D): 9 x 16 x 6 inches
• Net Weight: 61.619 lbs
• Packaging Dimensions: 11.811 x 18.898 x 9.843 inches

Material Compliance and Certifications:

• The MD63B800L circuit breaker adheres to the highest standards of material compliance, ensuring it is safe and environmentally friendly. It meets the UL 489 and IEC 60947-2 standards, which are globally recognized benchmarks for electrical safety and performance.

Suitability:

• The Siemens MD63B800L is ideal for use in a variety of industrial and commercial applications requiring high fault current protection and reliable performance. Its robust design and high interrupting capacity make it suitable for critical power distribution systems, ensuring the safety and continuity of operations in facilities such as manufacturing plants, data centers, and large commercial buildings.

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