JXD23B400 - 400 Amp Circuit Breaker

JXD23B400 - 400 Amp Circuit Breaker

Elevate your electrical safety with the Siemens JXD23B400 – a robust, high-performance circuit breaker engineered for demanding commercial and industrial environments. Featuring Siemens Sentron’s trusted thermal-magnetic trip technology, this 3‑pole, 400 A breaker offers responsive protection against both overloads and short circuits. With 65 kA interrupting capacity at 240 V and global safety certifications, it's a dependable backbone for power distribution systems.

Key Features and Benefits

• Dual-Action Trip Unit: Thermal-magnetic protection ensures swift interruption of fault currents and gradual response to sustained overloads.
• Impressive Interrupting Capacity: Rated at 65 kAIC (240 V), this breaker can handle severe fault conditions without compromise.
• Global Safety Standards: Meets UL 489 and IEC 60947‑2 guidelines, ensuring compliance across North American, European, and international installations.
• Installation Flexibility: Lugs are omitted to allow electricians to customize splicing and cable terminations on-site.
• Space-Smart Design: Compact footprint (7.5″×11″×4″) simplifies retrofit work and new builds alike.
  

Technical Specifications

• Model: JXD23B400
  
• Frame Type: JD (standard 40 °C)
  
• Rated Current: 400 A
  
• Poles: 3
  
• Interrupting Rating: 65 kAIC at 240 V
  
• Trip Unit: Thermal-magnetic
  
• Standards: UL 489, IEC 60947‑2
  
• Dimensions:
  • Width: 7.5 inches
  • Height: 11 inches
  • Depth: 4 inches
• Weight: 18.3 lbs
  
• Origin: Mexico
  

Material Compliance and Certifications

• RoHS-Compliant: Meets EU restrictions on hazardous substances as of July 14, 2008.
• WEEE-Compliant: Adheres to electronic waste take-back requirements.
• REACH-Compliant: Aligns with duty-to-inform standards under REACH Article 33 for candidate substances.
  

Suitability

• Ideal for commercial buildings, manufacturing plants, data centers, and infrastructure projects, the JXD23B400 excels in protecting high-load circuits. Whether you’re upgrading existing panels or creating new power distribution boards, this breaker delivers reliable safety, adaptability, and global compliance.