Siemens LXD63B450H Molded Case Circuit Breaker – 450A – 3-Pole / 3-Phase – 600V – 35kA @ 480V – Bolt-On – Sentron LXD Series

The Siemens LXD63B450H is a 450A, 3-pole, 3-phase thermal-magnetic molded case circuit breaker from the Siemens Sentron Type LXD Series. It is designed for compatible electrical distribution and overcurrent protection applications.

The LXD63B450H is rated for 600V and provides a 35kA interrupting rating at 480V with standard interrupting capacity. It features Long-Time and Instantaneous (LI) trip functions with a non-interchangeable trip, uses a bolt-on mounting configuration, and is rated for operation at 40°C. The breaker is 100% rated, UL Listed for reverse-fed applications, and supplied without lugs.

Specifications:

• Manufacturer: Siemens
• Product Type: Molded Case Circuit Breaker
• Product Family: Sentron
• Series: LXD
• Type: LXD
• Catalog No.: LXD63B450H
• Current Rating: 450A
• Number of Poles: 3-Pole
• Phase: 3-Phase
• Voltage Rating: 600V
• Interrupting Rating: 35kA @ 480V
• Interrupting Capacity: Standard
• Protection Type: Thermal-Magnetic
• Trip Functions: Long-Time and Instantaneous (LI)
• Trip Type: Non-Interchangeable
• Mounting Type: Bolt-On
• Breaker Configuration: Complete Breaker
• Lugs: Not Included
• Temperature Rating: 40°C
• Rating: 100% Rated
• Reverse Feed: UL Listed for Reverse-Fed Applications
• Application: Electrical Distribution and Overcurrent Protection
• Brand: Siemens

Part Numbers & Identification:

• Manufacturer Part Number (MPN): LXD63B450H
• Catalog Number: LXD63B450H
• Model: LXD63B450H
• Product Family: Siemens Sentron Circuit Breakers
• Series: LXD
• Type: LXD
• Brand: Siemens
• Manufacturer: Siemens
• Product Type: Molded Case Circuit Breaker
• Breaker Configuration: 3-Pole, 450A
• Trip Configuration: Non-Interchangeable LI
• UPC:783643011144

Compatibility:

Designed for use with compatible Siemens Sentron LXD Series electrical distribution equipment that accepts LXD Series bolt-on molded case circuit breakers. The LXD63B450H provides 450A, 3-pole thermal-magnetic overcurrent protection for compatible 600V electrical distribution applications.

The breaker features a non-interchangeable LI trip, is 100% rated, and is UL Listed for reverse-fed applications. Lugs are not included. Always verify the specific panelboard or electrical equipment model, approved breaker type, system voltage, available fault current, pole configuration, trip-unit requirements, lug selection, mounting arrangement, reverse-feed requirements, temperature requirements, and installation specifications before installation.

Certifications:

• UL Listed
• Sentron LXD Series
• 450A Rated
• 3-Pole / 3-Phase
• 600V Rated
• 35kA @ 480V Interrupting Rating
• Standard Interrupting Capacity
• Thermal-Magnetic Protection
• Long-Time and Instantaneous (LI) Trip Functions
• Non-Interchangeable Trip
• Bolt-On Mounting
• 40°C Rated
• 100% Rated
• UL Listed for Reverse-Fed Applications
• Lugs Not Included

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