Siemens FXD63B250 Molded Case Circuit Breaker – 250A – 3-Pole – 600V – 35kA @ 480V – Bolt-On – Sentron FXD Series

The Siemens FXD63B250 is a 250A, 3-pole molded case circuit breaker from the Siemens Sentron FXD Series. It is rated for 600V with a 35kA interrupting rating at 480V. The breaker features thermal-magnetic protection, a non-interchangeable LI (Long-Time and Instantaneous) trip, and bolt-on mounting. It is UL Listed for reverse-fed applications and is supplied without lugs installed.

Specifications:

• Manufacturer : Siemens
• Product Type : Molded Case Circuit Breaker
• Series : Sentron
• Type : FXD
• Catalog No. : FXD63B250
• Current Rating : 250A
• Number of Poles : 3-Pole
• Phase : 3-Phase
• Voltage Rating : 600V
• Interrupting Rating : 35kA @ 480V
• Interrupting Capacity : Standard Interrupting Capacity
• Trip Technology : Thermal-Magnetic
• Trip Unit : Non-Interchangeable
• Trip Functions : LI – Long-Time and Instantaneous
• Mounting Type : Bolt-On
• Lugs : No Lugs Installed
• Reverse Feed : UL Listed for Reverse-Fed Applications
• Calibration Temperature : 40°C
• Application : Electrical Distribution and Circuit Protection

Part Numbers & Identification:

• Manufacturer Part Number (MPN) : FXD63B250
• Catalog Number : FXD63B250
• Product Family : Sentron FXD
• Series : Sentron
• Type : FXD
• Brand : Siemens
• Manufacturer : Siemens
• Product Type : Molded Case Circuit Breaker
• Model : FXD63B250
• Breaker Configuration : 3-Pole, 250A
• upc:783643211292

Compatibility:

Designed for use with compatible Siemens Sentron FXD Series molded case circuit breaker applications. The FXD63B250 is a 3-pole, 250A, 600V bolt-on MCCB with thermal-magnetic protection and a non-interchangeable LI trip unit. It is UL Listed for reverse-fed applications and is supplied without lugs installed.

Always verify the specific panelboard or electrical distribution equipment, approved breaker type, system voltage, pole configuration, interrupting rating, mounting arrangement, reverse-feed requirements, and lug/terminal requirements before installation.

Certifications:

• Sentron FXD Series
• 250A Rating
• 3-Pole / 3-Phase
• 600V Rated
• 35kA @ 480V Interrupting Rating
• Standard Interrupting Capacity
• Thermal-Magnetic Protection
• LI – Long-Time and Instantaneous Trip
• Non-Interchangeable Trip
• Bolt-On Mounting
• UL Listed for Reverse-Fed Applications
• No Lugs Installed
• 40°C Calibration

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