JD63B400L - 400Amp Circuit Breaker

JD63B400L - 400Amp Circuit Breaker

The Siemens JD63B400L is a robust low voltage SENTRON molded case circuit breaker designed to deliver reliable performance in a variety of applications. Engineered with a thermal-magnetic trip unit, this 400-amp, 3-pole breaker offers impressive interrupting capacities, including 25 kAIC at 600V and 35 kAIC at 480V, ensuring dependable protection against overloads and short circuits.

Key Features and Benefits:

• Thermal-Magnetic Trip Unit: Provides reliable protection by combining thermal overload and magnetic short circuit protection in one unit.
• High Interrupting Capacity: Rated for 25 kAIC at 600V and 35 kAIC at 480V, this breaker can handle demanding electrical systems.
• UL 489 / IEC 60947-2 Compliance: Certified to meet rigorous international safety standards, ensuring quality and reliability.
• Flexible Wire Range: Compatible with both copper and aluminum conductors ranging from 3/0 AWG to 500 KCM, offering installation versatility.
• Compact and Durable Design: Compact dimensions make it suitable for space-constrained installations while maintaining high durability.

Technical Specifications:

• Ampere Rating: 400A
• Poles: 3
• Voltage Rating: 600V (AC)
• Interrupting Capacity: 25 kAIC at 600V, 35 kAIC at 480V
• Frame Type: JD
• Dimensions (W x H x D): 7.5 x 11 x 4 inches
• Net Weight: 19.533 lbs
• Lug Type: Line and Load Side Lugs (TA2J6500)
• Wire Range: 3/0 AWG - 500 KCM (CU) / 4/0 AWG - 500 KCM (AL)
• Standards Compliance: UL 489, IEC 60947-2

Material Compliance and Certifications:

• UL Certification: This product is certified under UL 489, ensuring it meets stringent safety standards for electrical circuit breakers.
• RoHS Compliance: Not available.
• WEEE (2012/19/EU) Take-Back Obligation: Yes, compliant with the European Union directive on waste electrical and electronic equipment.

Suitability:

• Ideal Applications: This circuit breaker is highly suitable for protecting electrical circuits in commercial, industrial, and institutional settings where reliable protection is critical.
• Voltage Compatibility: Suitable for 600V systems with high fault current scenarios.

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