JXD63B400L - 400Amp Circuit Breaker

JXD63B400L - 400Amp Circuit Breaker

The Siemens JXD63H400 Low Voltage SENTRON Molded Case Circuit Breaker is designed to provide powerful protection in demanding electrical applications. This 400-amp, 3-pole breaker is built on a JD frame and features a magnetic trip-only unit, making it ideal for high instantaneous fault protection with rapid response in industrial and commercial environments. With a breaking capacity of 25 kAIC at 600V and 35 kAIC at 480V, this breaker meets UL 489 and IEC 60947-2 standards, ensuring high-quality performance and safety.

Key Features and Benefits

• Magnetic Trip Only Unit: High instantaneous trip for fast response to large faults, ideal for systems that require quick protection against high-current surges.
• Durable JD Frame Design: Built to withstand rigorous industrial conditions, providing stability and reliability in demanding environments.
• High Interrupt Capacity: Rated at 25 kAIC at 600V and 35 kAIC at 480V, ensuring protection even under intense fault conditions.

Technical Specifications

• Amperage Rating: 400A
• Voltage Rating: 600V AC (25 kAIC), 480V AC (35 kAIC)
• Poles: 3-Pole
• Trip Type: Magnetic Trip Only
• Dimensions: 7.5" W x 11" H x 4" D
• Weight: 18.276 lbs
• Special Features: No lugs installed, allowing for flexible configuration

Material Compliance and Certifications

• The Siemens JXD63H400 complies with UL 489 and IEC 60947-2 standards, ensuring it meets rigorous safety and quality requirements. It has been RoHS-compliant since 2008, supporting Siemens' commitment to environmentally responsible manufacturing.

Suitability

• The Siemens JXD63H400 circuit breaker is well-suited for high-current industrial and commercial applications where rapid fault response is essential. Its magnetic trip-only design and high interrupt capacity make it a reliable choice for protecting critical power systems in environments that demand fast and robust circuit protection.

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