Siemens HJXD63B400 Molded Case Circuit Breaker – 400A – 3-Pole / 3-Phase – 600V – 65kA @ 480V – Bolt-On – Sentron HJXD Series

The Siemens HJXD63B400 is a 400A, 3-pole, 3-phase molded case circuit breaker from the Siemens Sentron HJXD Series. It features thermal-magnetic protection and a high interrupting capacity for compatible electrical distribution applications.

The HJXD63B400 is rated for 600V and provides a 65kA interrupting rating at 480V. It uses a bolt-on mounting configuration, includes a non-interchangeable trip unit, and is supplied without lugs. The breaker is UL Listed for reverse-fed applications and is rated for operation at 40°C.

Specifications:

• Manufacturer: Siemens
• Product Type: Molded Case Circuit Breaker
• Product Family: Sentron
• Series: HJXD
• Type: HJXD
• Catalog No.: HJXD63B400
• Current Rating: 400A
• Number of Poles: 3-Pole
• Phase: 3-Phase
• Voltage Rating: 600V
• Interrupting Rating: 65kA @ 480V
• Interrupting Capacity: High
• Protection Type: Thermal-Magnetic
• Trip Unit: Included
• Trip Type: Non-Interchangeable
• Mounting Type: Bolt-On
• Lugs: Not Included
• Temperature Rating: 40°C
• Reverse Feed: Suitable for Reverse-Fed Applications
• Application: Electrical Distribution and Overcurrent Protection
• Brand: Siemens

Part Numbers & Identification:

• Manufacturer Part Number (MPN): HJXD63B400
• Catalog Number: HJXD63B400
• Model: HJXD63B400
• Product Family: Siemens Sentron Molded Case Circuit Breakers
• Series: HJXD
• Type: HJXD
• Brand: Siemens
• Manufacturer: Siemens
• Product Type: Molded Case Circuit Breaker
• Breaker Configuration: 3-Pole, 400A
• UPC:783643314924

Compatibility:

Designed for use with compatible Siemens Sentron HJXD Series electrical distribution equipment that accepts bolt-on molded case circuit breakers. The HJXD63B400 provides 400A, 3-pole thermal-magnetic overcurrent protection for compatible 600V applications, with a 65kA interrupting rating at 480V.

The breaker includes a non-interchangeable trip unit, is supplied without lugs, and is suitable for reverse-fed applications as specified. Always verify the specific panelboard or electrical equipment model, approved breaker type, system voltage, available fault current, pole configuration, trip-unit requirements, terminal requirements, and installation specifications before installation.

Certifications:

• UL Listed for Reverse-Fed Applications

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You may return items within 10 days of delivery for a refund.

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