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Mounting Hardware

For circuit breaker installation and panel assembly, mounting hardware is among the most essential components for ensuring secure equipment placement and proper electrical connections. Mounting hardware provides the mechanical fastening and support systems that secure circuit breakers, panels, and electrical equipment in their designated positions while maintaining proper alignment and accessibility. Electrical.com carries an extensive selection of mounting hardware from all major manufacturers, including new, used, surplus, and re-certified options. These components are designed to meet the diverse needs of electrical panel assembly, switchgear installation, industrial equipment mounting, and commercial building electrical system applications.
SORT BY
Part Number
PRICE
Manufacturer
21-B143QJ6
21-B143QJ6
In Stock
From
$64.45
Hardware Resource Company
21-A131FD4
21-A131FD4
In Stock
From
$142.71
Hardware Resource Company
21-A132FB1
21-A132FB1
In Stock
From
$218.97
Eaton
21-A141CA4
21-A141CA4
In Stock
From
$61.81
Hardware Resource Company
21-A142CA1
21-A142CA1
In Stock
From
$240.57
Hardware Resource Company
21-A142FD1
21-A142FD1
In Stock
From
$150.08
Hardware Resource Company
21-A151JD1
21-A151JD1
In Stock
From
$347.38
Hardware Resource Company
21-A152KB1
21-A152KB1
In Stock
From
$316.37
Hardware Resource Company
21-A161KD4
21-A161KD4
In Stock
From
$476.05
Hardware Resource Company
21-A162LA4
21-A162LA4
In Stock
From
$337.04
Hardware Resource Company
21-A172LD3
21-A172LD3
In Stock
From
$303.64
Hardware Resource Company
21-A181MD4
21-A181MD4
In Stock
From
$693.55
Hardware Resource Company
21-B128SE6
21-B128SE6
In Stock
From
$171.25
Hardware Resource Company
21-B134EH3
21-B134EH3
In Stock
From
$117.38
Hardware Resource Company
21-B168SJ6
21-B168SJ6
In Stock
From
$294.03
Hardware Resource Company
21-B178SL6
21-B178SL6
In Stock
From
$545.45
Hardware Resource Company
21-C142NEJ
21-C142NEJ
In Stock
From
$228.33
Hardware Resource Company
21-C145NEJ
21-C145NEJ
In Stock
From
$429.90
Hardware Resource Company
21-C162NJL
21-C162NJL
In Stock
From
$400.20
Hardware Resource Company
21-D136TED
21-D136TED
In Stock
From
$171.80
Hardware Resource Company
21-D146TQD
21-D146TQD
In Stock
From
$178.18
Hardware Resource Company
21-D147TQD
21-D147TQD
In Stock
From
$335.22
Hardware Resource Company
21-D186TB8
21-D186TB8
In Stock
From
$1,063.96
Hardware Resource Company
21FA105CH
21FA105CH
In Stock
From
$35.05
Hardware Resource Company

Electrical.com stocks the largest inventory of circuit breaker mounting hardware in the world, with over 1 million square feet of new, used, surplus, and re-certified mounting accessories available for immediate shipment. From mounting brackets to installation hardware, we have what you need when others say no. Our comprehensive circuit breaker mounting hardware inventory spans all configurations and specifications from all major manufacturers including current production and discontinued models from legacy suppliers. Available in new factory condition, surplus stock, and re-certified options‚ All backed by our standard 2-year Electrical.com warranty. Our circuit breaker mounting hardware serves critical applications across electrical panel installations, switchgear assemblies, industrial control cabinets, commercial building electrical systems, manufacturing facility power distribution, retrofit and upgrade projects, and maintenance operations.


Whether you're maintaining legacy equipment with obsolete mounting hardware or sourcing current production components for new installations, our 40+ warehouse locations across the US and Canada ensure rapid delivery to minimize your downtime. Need circuit breaker mounting hardware now? Call 877-999-7077 or email [email protected]. With same-day shipping available and the right parts ready to ship from our nearest warehouse location, Electrical.com gets your operations back online fast. We can say yes when others have to say no.