Siemens JXD63H400 Motor Circuit Protector – 400A – 3-Pole / 3-Phase – 600V – 35kA @ 480V – Bolt-On – Sentron JXD Series

The Siemens JXD63H400 is a 400A, 3-pole, 3-phase molded case motor circuit protector (MCP) from the Siemens Sentron JXD Series. It provides magnetic-only protection with Instantaneous (I) protection and is designed for compatible motor circuit protection applications.

The JXD63H400 is rated for 600V and provides a 35kA interrupting rating at 480V with standard interrupting capacity. It features a high instantaneous range, a bolt-on configuration, and a magnetic range of 2000–4000A. The breaker is supplied without lugs.

Specifications:

• Manufacturer: Siemens
• Product Type: Molded Case Circuit Breaker
• Product Name: Motor Circuit Protector (MCP)
• Product Family: Sentron
• Series: JXD
• Type: JXD
• Catalog No.: JXD63H400
• Current Rating: 400A
• Number of Poles: 3-Pole
• Phase: 3-Phase
• Voltage Rating: 600V
• Interrupting Rating: 35kA @ 480V
• Interrupting Capacity: Standard
• Protection Type: Magnetic Only
• Trip Function: Instantaneous (I)
• Instantaneous Range: High
• Magnetic Range: 2000–4000A
• Mounting Type: Bolt-On
• Lugs: Not Included
• Application: Motor Circuit Protection
• Brand: Siemens

Part Numbers & Identification:

• Manufacturer Part Number (MPN): JXD63H400
• Catalog Number: JXD63H400
• Model: JXD63H400
• Product Family: Siemens Sentron Circuit Breakers
• Series: JXD
• Type: JXD
• Brand: Siemens
• Manufacturer: Siemens
• Product Type: Motor Circuit Protector / Molded Case Circuit Breaker
• Breaker Configuration: 3-Pole, 400A
• Protection Configuration: Magnetic Only
• Trip Configuration: Instantaneous (I)
• UPC:783643213630

Compatibility:

Designed for use with compatible Siemens Sentron JXD Series motor circuit protection applications that accept JXD Series bolt-on molded case motor circuit protectors. The JXD63H400 provides 400A magnetic-only protection with a 2000–4000A magnetic range for compatible motor applications.

The MCP uses Instantaneous (I) protection only, has a high instantaneous range, and is supplied without lugs. Always verify the specific motor starter or electrical equipment model, approved MCP type, system voltage, available fault current, magnetic trip requirements, pole configuration, lug requirements, and installation specifications before installation.

Certifications:

• Siemens Sentron JXD Series
• 400A Rated
• 3-Pole / 3-Phase
• 600V Rated
• 35kA @ 480V Interrupting Rating
• Standard Interrupting Capacity
• Magnetic-Only Protection
• Instantaneous (I) Protection
• High Instantaneous Range
• 2000–4000A Magnetic Range
• Bolt-On Mounting
• Lugs Not Included
• Motor Circuit Protector (MCP)

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