JXD63B300L - 300A Circuit Breaker

JXD63B300L - 300A Circuit Breaker

Introducing the Siemens JXD63B300L, a high-performance, low-voltage Sentron molded case circuit breaker designed to deliver reliable protection for electrical systems in commercial and industrial applications. Engineered with a thermal-magnetic trip unit, this circuit breaker ensures optimal performance by automatically interrupting power flow in the event of an overload or short circuit.

Key Features and Benefits:

• Thermal-Magnetic Trip Unit: Provides dual protection against both overloads and short circuits, ensuring safety and reliability.
• Standard JD Frame: Offers a compact and robust design suitable for various electrical systems.
• High Interrupting Capacity: Rated at 25kAIC at 600V and 35kAIC at 480V, it handles high fault currents efficiently.
• Line and Load Side Lugs (TA2J6500): Included for easy and secure connections with a wire range of 3/0 AWG - 500 KCM (CU) and 4/0 AWG - 500 KCM (AL).
• Non-Interchangeable Trip: Ensures the breaker operates within its specified parameters for enhanced safety.
• Compact Dimensions: Measuring 7.5 x 11 x 4 inches, it fits seamlessly into various panel designs.

Technical Specifications:

• Current Rating: 300A
• Poles: 3
• Interrupting Capacity: 25kAIC at 600V, 35kAIC at 480V
• Standards Compliance: UL 489, IEC 60947-2
• Operating Temperature: Standard 40°C
• Wire Range: 3/0 AWG - 500 KCM (CU) / 4/0 AWG - 500 KCM (AL)
• Dimensions (W x H x D): 7.5 x 11 x 4 inches
• Net Weight: 19.511 lbs

Material Compliance and Certifications:

• UL 489 and IEC 60947-2: Certified for safety and performance, ensuring compliance with international standards.
• RoHS Compliance: Meets the restrictions on hazardous substances directive since 07/18/2019.
• WEEE Compliance: Obligated under the Waste Electrical and Electronic Equipment directive for take-back and recycling.

Suitability:

• The Siemens JXD63B300L is ideally suited for use in commercial and industrial environments where reliable circuit protection is paramount. Its high interrupting capacity and robust design make it suitable for use in power distribution systems, motor control centers, and other critical applications requiring dependable circuit protection.