Siemens F657D Twin Breaker Vertical Bus Mounting Kit

Product Description

The SIEMENS F657D is a twin breaker vertical bus mounting kit designed for use with circuit breakers rated 30 to 200 amps. This hardware kit provides the mechanical mounting interface needed to install twin-style breakers onto a vertical bus configuration inside a loadcenter or panelboard. Electricians and panel installers use this kit during new panel builds or breaker upgrades where twin breaker positions must be properly secured to the bus. The kit ships one per pack and weighs 2.646 pounds, making it straightforward to handle on the job.

This mounting kit is suited for residential and light commercial electrical distribution equipment that uses vertical bus panelboard configurations. It is intended for use with twin breakers in the 30 to 200 amp range, covering the majority of branch circuit and feeder applications found in standard loadcenter installations. Licensed electricians typically install this component during panel assembly or service work.

Key Features

• Supports twin breaker installations rated from 30 to 200 amps
• Designed for vertical bus mounting configurations in loadcenters and panelboards
• Compact form factor: 8.268 inches long x 6.693 inches wide x 3.937 inches tall
• Packaged as a single kit for straightforward inventory and installation
• Compatible with SIEMENS breaker and panel systems requiring this mounting interface

Compatibility

Designed as an OEM-style mounting kit for SIEMENS twin breakers rated 30 to 200 amps installed in vertical bus loadcenter and panelboard applications.

Installation Notes

Installation should be performed by a licensed electrician in accordance with the National Electrical Code (NEC) and all applicable local codes. Always de-energize the panel and verify the absence of voltage before handling any bus hardware or breaker components. Ensure the mounting kit is fully seated and mechanically secured to the bus before reinstating power. Do not modify or substitute mounting hardware, as improper fitment can create unsafe bus connections.

Technical Specifications

• Amperage Range: 30-200 amps
• Mounting Type: Vertical bus
• Breaker Style: Twin
• Package Length: 8.268 inches
• Package Width: 6.693 inches
• Package Height: 3.937 inches
• Weight: 2.646 pounds
• Quantity per Pack: 1
• UPC: 78364322810

Standard Information

• Brand: SIEMENS
• Manufacturer Part Number: F657D