Siemens FXD63B125 Molded Case Circuit Breaker

600 VAC 50/60 Hz, 500 VDC, 125 A at 40 Deg C, 35 kA at 480 VAC, 3-Pole, FD Frame, Thermal Magnetic Trip Unit, Non-Interchangeable Trip

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MPN: FXD63B125

SKU:

UPC: 783643211247

Weight: 8.50 LBS

Minimum Purchase: 1 unit

Product Conditions

Surplus

Parts from another distributor or wholesaler that were only removed from the original packaging for inspection and pictures. These parts have never been energized, installed, or modified in any way.

Used

Parts that show any sign of being energized, installed, assembled with other parts, or functional wear or corrosion. These parts are sold as-is and returns may not be accepted.

Repackaged

Parts from another distributor or wholesaler that are missing the original packaging. These parts have never been energized, installed, or modified in any way and will ship in an Critical Surplus box.

Learn More About Product Conditions

Disclaimer: Critical Surplus is not an authorized distributor, reseller or representative of any manufacturer, brand or product listed. All product names, trademarks, brands and logos are the property of their respective owners. The depiction, description or sale of products featuring these names, trademarks, brands and logos is for identification purposes only and is not intended to indicate any affiliation with or authorization by any rights holder. All items sold by Critical Surplus are covered under Critical Surplus' warranty and not the manufacturer warranty.

Technical Specifications

Description	Siemens FXD63B125 Molded Case Circuit Breaker
Manufacturer
Catalog Number	FXD63B125
Series	FXD6-A
Type	Thermal Magnetic
Type	Non-Interchangeable Trip
Approval	UL 489
Approval	CSA C22.2
Approval	CE
Approval	Federal Specification Class 20A
Size	4.5 Inch Width x 4 Inch Depth x 9.5 Inch Height
Volts	600 VAC at 50/60 Hertz
Volts	500 VDC
Amps	125 A
Poles	3
Interrupting Rating	22 kA at 600 VAC
Interrupting Rating	18 kA at 500 Volt DC
Frame Type	FD
Maximum AC Voltage Rating	600 V
Maximum DC Voltage Rating	500 V
Catalog	SiemensAG_01698_17_78_17_82_17_110_17_111_CAT.pdf
Installation/Operator	SiemensAG_00224_INST.pdf
Country of Origin	MEX

Condition & Warranty

This Siemens FXD63B125 Molded Case Circuit Breaker is sold as surplus and sourced from trusted and verified channels. Units may arrive in non-retail packaging and may show minor storage-related cosmetic handling. 90-day limited replacement warranty included.

Shipping & Handling

Most orders ship within 1 business day with immediate tracking updates. Expedited shipping and freight support available. Choose Next Day Air at checkout or contact us for more information.

Why Buy from Critical Surplus?

Circular economy model: Responsible surplus sourcing.
Professional-grade inventory: Genuine components only.
Technical support: Help with compatibility and spec verification.
Bulk options: Multi-unit and pallet pricing available.

Siemens FXD63B125 Molded Case Circuit Breaker

Name: Siemens FXD63B125 Molded Case Circuit Breaker
Brand: Siemens
Price: 1386 USD
Availability: OutOfStock

From:

$1,386.00

(NSB)

Parts from another distributor or wholesaler that were only removed from the original packaging for inspection and pictures. These parts have never been energized, installed, or modified in any way. They show no visible signs of use or damage and include all standard hardware and accessories. Original packaging may show shelf wear or be missing documentation.

(NNB)

Parts that are unused but missing original packaging. These ship in aftermarket packaging and may show light handling marks. Hardware, accessories, or documentation may be missing. Original manufacturer warranty may not apply.

(NWD)

Parts with cosmetic defects, missing non-critical components, or factory blemishes. These parts have not been installed or energized and remain fully functional. Defects do not impact certifications or performance.

Used – Good Condition

(USD)

Parts that show signs of previous use, cosmetic wear, or minor handling marks. Items are functional but may have missing accessories or documentation. Sold as-is unless otherwise noted.

Used – Poor Condition / For Parts

(SLV)

Parts that are damaged, incomplete, or non-functional. These items are not tested and are sold strictly for parts or repair. Returns are not accepted. Additional photos available upon request.