Siemens MBKFD3225A Breaker Kit – Mounting Kit – P1 Frame – 3 Pole – 600VAC – FD63B225 Compatible

The Siemens MBKFD3225A is a breaker mounting kit designed for Siemens P1 frame molded case circuit breakers, specifically intended for use with FD63B225 fixed breaker configurations. This kit provides the required mechanical mounting hardware to ensure secure installation and proper alignment within Siemens panelboards and switchgear assemblies.

Engineered for industrial and commercial electrical distribution systems, the MBKFD3225A ensures stable mounting of 3-pole, 600VAC breaker assemblies. It is designed to support reliable breaker positioning, safe operation, and consistent integration into Siemens power distribution equipment.

As part of Siemens’ MBK Series accessory line, this mounting kit is used to maintain installation integrity and compatibility across FD frame breaker platforms, particularly in high-performance electrical systems.

Specifications

• Brand: Siemens Breakers
• Part Number: MBKFD3225A
• Category: Breaker Mounting Kit / Hardware
• Series: MBK Series
• Frame Compatibility: P1 Frame
• Breaker Compatibility: FD63B225 (Fixed Type)
• Installation Type: Panelboard / Switchgear Mounting
• Type: Mounting Kit Assembly

Electrical Ratings

• Voltage Rating: 600VAC
• Number of Poles: 3 Pole

Construction

• Heavy-duty industrial mounting hardware
• Designed for FD frame breaker installation
• Precision alignment components
• Durable metal construction for long service life
• Ensures secure breaker fixation in electrical assemblies

Functions

• Circuit breaker mounting support
• Mechanical alignment and stabilization
• Safe integration of FD frame breakers
• Installation consistency across Siemens systems

Dimensions

• Weight: 13.029 lbs

Standards

• CSA Approved

Applications

• Industrial electrical distribution systems
• Commercial switchboards and panelboards
• FD frame breaker installations
• Siemens P1 frame electrical assemblies
• Power distribution infrastructure projects
• Heavy-duty feeder and branch circuit systems

Returns are easy

You may return items within 30 days of delivery for a refund.

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My Circuit Breakers provides a comprehensive 1-year warranty on both new and reconditioned products. Rest assured, all products are authentic OEM (original equipment manufacturer). Extended warranties are available upon request.