JD63B300 - 300Amp Circuit Breaker

JD63B300 - 300Amp Circuit Breaker

The Siemens JD63B300 is a top-tier low voltage Sentron molded case circuit breaker designed to provide robust and reliable electrical protection for a wide range of industrial applications. Featuring a thermal-magnetic trip unit, this 300A, 3-pole breaker ensures precise and responsive performance, making it an essential component for maintaining electrical safety and efficiency.

Key Features and Benefits:

• Thermal-Magnetic Trip Unit: Ensures quick response to overloads and short circuits, providing reliable protection for your electrical system.
• Standard Breaking Capacity: Offers 25kAIC at 600V and 35kAIC at 480V, making it suitable for a range of demanding applications.
• Line and Load Side Lugs (TA2J6500): Facilitates easy installation and secure connections with a wire range of 3/0AWG to 500KCM (CU) and 4/0AWG to 500KCM (AL).
• Compact Dimensions: Measuring 7.5 x 11 x 4 inches, it fits seamlessly into various panel configurations without occupying excessive space.

Technical Specifications:

• Ampere Rating: 300A
• Poles: 3
• Voltage Rating: Up to 600V AC
• Interrupting Rating: 25kAIC at 600V, 35kAIC at 480V
• Standards Compliance: UL 489, IEC 60947-2
• Wire Range: 3/0AWG to 500KCM (CU), 4/0AWG to 500KCM (AL)
• Dimensions (W x H x D): 7.5 x 11 x 4 inches

Material Compliance and Certifications:

• Compliance: The JD63B300 circuit breaker is built with high-quality materials ensuring durability and long-lasting performance.

Suitability:

• The Siemens JD63B300 is ideal for use in a variety of industrial settings, including manufacturing plants, commercial buildings, and electrical distribution systems. Its reliable performance, coupled with ease of installation and maintenance, makes it a preferred choice for electrical engineers and facility managers seeking dependable circuit protection solutions.

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