Siemens FXD63B175 Molded Case Circuit Breaker – 175A – 3-Pole / 3-Phase – 600V – 35kA @ 480V – Bolt-On – Sentron Series FXD

The Siemens FXD63B175 is a 175A, 3-pole, 3-phase molded case circuit breaker from the Siemens Sentron Series Type FXD. It features thermal-magnetic protection with a non-interchangeable trip and Long-Time and Instantaneous (LI) trip functions.

The breaker is rated for 600V and provides a 35kA interrupting rating at 480V with standard interrupting capacity. It uses a bolt-on connection, is rated for 40°C operation, and is UL Listed for reverse-fed applications. No lugs are installed.

Specifications:

• Manufacturer: Siemens
• Product Type: Molded Case Circuit Breaker
• Product Family: Sentron
• Series: FXD
• Type: FXD
• Catalog No.: FXD63B175
• Current Rating: 175A
• Number of Poles: 3-Pole
• Phase: 3-Phase
• Voltage Rating: 600V
• Interrupting Rating: 35kA @ 480V
• Interrupting Capacity: Standard
• Protection Type: Thermal-Magnetic
• Trip Type: Non-Interchangeable
• Trip Functions: Long-Time and Instantaneous (LI)
• Mounting / Connection: Bolt-On
• Temperature Rating: 40°C
• Reverse Feed: UL Listed for Reverse-Fed Applications
• Lugs: No Lugs Installed
• Application: Electrical Distribution and Overcurrent Protection

Part Numbers & Identification:

• Manufacturer Part Number (MPN): FXD63B175
• Catalog Number: FXD63B175
• Model: FXD63B175
• Product Family: Siemens Sentron Molded Case Circuit Breakers
• Series: FXD
• Type: FXD
• Brand: Siemens
• Manufacturer: Siemens
• Product Type: Molded Case Circuit Breaker
• Breaker Configuration: 3-Pole, 175A
• UPC:783643211261

Compatibility:

Designed for use with compatible Siemens Sentron Series Type FXD electrical distribution equipment that accepts the specified bolt-on molded case circuit breaker. The FXD63B175 provides 175A, 3-pole thermal-magnetic protection for compatible 600V applications.

The breaker includes a non-interchangeable trip with Long-Time and Instantaneous (LI) trip functions and is suitable for reverse-fed applications as specified. No lugs are installed, so compatible terminals must be addressed separately where required.

Always verify the specific panelboard or electrical equipment model, approved breaker type, system voltage, available fault current, pole configuration, trip requirements, lug compatibility, mounting arrangement, and reverse-feed requirements before installation.

Certifications:

• UL Listed for Reverse-Fed Applications
• Sentron Series
• FXD Series
• 175A Rated
• 3-Pole / 3-Phase
• 600V Rated
• 35kA @ 480V Interrupting Rating
• Standard Interrupting Capacity
• Thermal-Magnetic Protection
• Non-Interchangeable Trip
• Long-Time and Instantaneous (LI) Trip Functions
• Bolt-On Connection
• 40°C Rated
• No Lugs Installed

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