1. Home / 
  2. All Categories / 
  3. Circuit Breaker / 
  4. Enclosures

Enclosures

For circuit breaker installations and electrical distribution systems, enclosures are among the most critical components for protecting equipment and ensuring safe operation. Enclosures provide physical protection, environmental shielding, and safety barriers that safeguard circuit breakers and electrical components from damage, contamination, and unauthorized access. Electrical.com carries an extensive selection of enclosures from all major manufacturers, including new, used, surplus, and re-certified options. These components are designed to meet the diverse needs of industrial facilities, commercial buildings, outdoor installations, and hazardous location applications.
SORT BY
Part Number
PRICE
Manufacturer
30-664LP
30-664LP
In Stock
From
$56.96
Mckinstry
42-1412
42-1412
In Stock
From
$4.48
Mckinstry
50-444
50-444
In Stock
From
$22.10
Mckinstry
50SC-443
50SC-443
In Stock
From
$18.93
Mckinstry
50SC-644
50SC-644
In Stock
From
$19.58
Mckinstry
51-16146
51-16146
In Stock
From
$91.85
Mckinstry
51-863
51-863
In Stock
From
$92.88
Mckinstry
53-2V
53-2V
In Stock
From
$47.85
Mckinstry
55-20168LP
55-20168LP
In Stock
From
$81.93
Mckinstry
59-3021D36LP
59-3021D36LP
In Stock
From
$84.90
Mckinstry
50-863
50-863
In Stock
From
$25.87
Mckinstry
53-3V
53-3V
In Stock
From
$30.29
Mckinstry
30-13114
30-13114
Limited Stock
From
Get Price
Mckinstry
42-2420
42-2420
Limited Stock
From
Get Price
Mckinstry
55-48308LP
55-48308LP
Limited Stock
From
Get Price
Mckinstry
55-48368LP
55-48368LP
Limited Stock
From
Get Price
Mckinstry
51-1084
51-1084
Limited Stock
From
Get Price
Mckinstry
53-2V-BC
53-2V-BC
Limited Stock
From
Get Price
Mckinstry

Electrical.com stocks the largest inventory of circuit breaker enclosures in the world, with over 1 million square feet of new, used, surplus, and re-certified electrical enclosures available for immediate shipment. From standard indoor enclosures to specialized NEMA-rated outdoor configurations, we have what you need when others say no. Our comprehensive circuit breaker enclosure inventory spans all NEMA ratings, voltage classes, and mounting configurations 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 enclosures serve critical applications across industrial facilities, commercial buildings, manufacturing plants, outdoor electrical installations, hazardous locations, data centers, utilities infrastructure, and power distribution systems.


Whether you're replacing damaged enclosures on legacy equipment, upgrading existing installations, or sourcing components for new electrical systems, our 40+ warehouse locations across the US and Canada ensure rapid delivery to minimize your downtime. Need circuit breaker enclosures 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.