1. Home / 
  2. All Categories / 
  3. Circuit Breaker / 
  4. Molded Case Circuit Breaker

Molded Case Circuit Breaker

For circuit breaker systems in commercial and industrial facilities, molded case circuit breakers are among the most widely used components for reliable overcurrent protection and electrical distribution. Molded case circuit breakers provide automatic circuit interruption during overload or short circuit conditions, protecting electrical systems and equipment from damage while enabling manual switching control. Electrical.com carries an extensive selection of molded case circuit breakers from all major manufacturers, including new, used, surplus, and re-certified options. These components are designed to meet the diverse needs of commercial buildings, manufacturing facilities, data centers, and industrial power distribution applications.
SORT BY
Part Number
PRICE
Manufacturer
Amperage
Voltage
PAF1636-1400A
PAF1636-1400A
In Stock
From
$3,650.45
Square D
1400
600
PAF1636-900A
PAF1636-900A
In Stock
From
$3,663.89
Square D
900
600
PAF2026-1800A
PAF2026-1800A
In Stock
From
$2,605.66
Square D
1800
600
PAF2036
PAF2036
In Stock
From
$12,265.57
Square D
2000
600
PAF2036-1000A
PAF2036-1000A
In Stock
From
$6,458.81
Square D
1000
600
PAF2036-1200A
PAF2036-1200A
In Stock
From
$3,332.80
Square D
1200
600
PAF2036-1400A
PAF2036-1400A
In Stock
From
$3,366.61
Square D
1400
600
PAF2036-700A
PAF2036-700A
In Stock
From
$3,367.28
Square D
700
600
PAF2036-800A
PAF2036-800A
In Stock
From
$3,691.22
Square D
800
600
PAF2036G
PAF2036G
In Stock
From
$5,082.00
Square D
2000
600
PAF2036G-1600A
PAF2036G-1600A
In Stock
From
$6,354.63
Square D
1600
600
PAF2536-2500A
PAF2536-2500A
In Stock
From
$3,406.77
Square D
2500
600
PAF361000
PAF361000
In Stock
From
$4,381.68
Square D
1000
600
PAF361200
PAF361200
In Stock
From
$5,838.22
Square D
1200
600
PAF361600
PAF361600
In Stock
From
$2,198.95
Square D
1600
600
PAF361600DC
PAF361600DC
In Stock
From
$3,482.50
Square D
1600
600
PAF361600DC1680
PAF361600DC1680
In Stock
From
$3,083.46
Square D
1600
600
PAF361600G
PAF361600G
In Stock
From
$5,871.90
Square D
1600
600
PAF361800
PAF361800
In Stock
From
$6,374.77
Square D
1800
600
PAF362000
PAF362000
In Stock
From
$6,573.89
Square D
2000
600
PAF362000DC
PAF362000DC
In Stock
From
$2,751.27
Square D
2000
600
PAF362000DC1625
PAF362000DC1625
In Stock
From
$4,899.32
Square D
2000
600
PAF362000DC1680
PAF362000DC1680
In Stock
From
$4,151.41
Square D
2000
600
PAF362000DC2357
PAF362000DC2357
In Stock
From
$6,507.26
Square D
2000
600
Popular Molded Case Circuit Breaker Manufacturers

Electrical.com stocks the largest inventory of molded case circuit breakers in the world, with over 1 million square feet of new, used, surplus, and re-certified MCCBs available for immediate shipment. From standard thermal-magnetic breakers to electronic trip units across all amperage ratings, we have what you need when others say no. Our comprehensive molded case circuit breaker inventory spans all voltage and current ratings, frame sizes, and interrupting capacities 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 molded case circuit breakers serve critical applications across commercial buildings, industrial facilities, manufacturing plants, data centers, healthcare facilities, distribution panels, motor control centers, switchboards, and power distribution systems.


Whether you're maintaining legacy equipment with obsolete MCCB models or sourcing current production breakers for new installations and retrofits, our 40+ warehouse locations across the US and Canada ensure rapid delivery to minimize your downtime. Need molded case circuit breakers 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.