HJXD63B300 - 300Amp Circuit Breaker

HJXD63B300 - 300Amp Circuit Breaker

The Siemens HJXD63B300 is a high-performance molded case circuit breaker designed for reliability and safety in demanding electrical environments. This 3-pole, 300A circuit breaker is part of Siemens' SENTRON series, featuring a robust JD frame and a thermal-magnetic trip unit.

Key Features and Benefits:

• Thermal-Magnetic Trip Unit: Provides reliable protection against overloads and short circuits.
• High Breaking Capacity: Handles high fault currents with 35KAIC at 600V and 65KAIC at 480V, ensuring system safety.
• Non-Interchangeable Trip: Enhances safety by preventing unauthorized modifications.
• Compact Design: Dimensions of 7.5 x 11 x 4 inches (W x H x D) make it suitable for various installation spaces.
• No Lugs Installed: Allows for flexible installation options to meet specific requirements.

Technical Specifications:

• Current Rating: 300A
• Poles: 3
• Voltage Rating: 600V AC
• Breaking Capacity: 35KAIC at 600V, 65KAIC at 480V
• Frame Type: JD Frame
• Standards Compliance: UL 489, IEC 60947-2
• Dimensions (W x H x D): 7.5 x 11 x 4 inches
• Weight: 18.301 lbs

Material Compliance and Certifications:

• RoHS Compliance: Ensures the circuit breaker is free from hazardous substances since 07/14/2008.
• WEEE Directive: Compliant with the 2012/19/EU take-back obligation, promoting environmental sustainability.

Suitability:

• The Siemens HJXD63B300 is ideal for protecting electrical systems in commercial and industrial environments. Its high breaking capacity and compliance with international standards make it suitable for applications requiring robust and reliable circuit protection. Whether in manufacturing plants, commercial buildings, or other high-demand settings, this circuit breaker provides the necessary safety and performance to maintain system integrity and protect valuable electrical infrastructure.

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