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JXD23B400 - 400 Amp Circuit Breaker

  • 400 Amp
  • 65k @ 240VAC
  • 3 Pole
Circuit BreakersSKU: JXD23B400 [NTO]

Purchase Options: New Takeout

Quantity
$1,699.00$2,199.00save $500.00

JXD23B400 - 400 Amp Circuit Breaker Description

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.

 


Use of Original Equipment Manufacturer (OEM) trademarks, names, and logos is for informational and identification purposes only. This does not imply any affiliation, sponsorship, endorsement, or approval by the original equipment manufacturer. All trademarks and registered trademarks are the property of their respective owners.

Specifications

  • Width:7.5
  • Height:11.0
  • Depth:4.0
  • Poles:3
  • Amperes:400
  • A.I.C. Rating & Volts:65k @ 240VAC
  • Type:JXD2-A
  • Approx Dimensions:7.5"W x 11.00"L x 4.00"D
  • Additional Notes:30kAIC@250vdc (for 2-pole applications), Molded Case Circuit Breaker with Non-Interchangeable Trip Unit. Includes Load-Side Lugs

Returns are easy

You may return unused items within 30 days of delivery for a full refund.

FREE shipping on breaker orders over $100 and all other items with orders over $500.

CIRCUIT BREAKER SUPERSTORE® offers one to five day delivery in the United States. The variation depends on the chosen shipping speed and the warehouse location for the product(s).

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In rare circumstances, CIRCUIT BREAKER SUPERSTORE® may reserve up to 5 business days to complete shipment. Feel free to contact us if your order is time sensitive.

CIRCUIT BREAKER SUPERSTORE® provides a limited 1-year warranty on both new and reconditioned products. Rest assured, all products are authentic OEM (original equipment manufacturer).

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