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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.
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Part Number
PRICE
Manufacturer
Amperage
Voltage
3VL1706-1DD36-0AA0
3VL1706-1DD36-0AA0
In Stock
From
$446.15
Siemens
63
690
3VL1708-1DD33-0AA0
3VL1708-1DD33-0AA0
In Stock
From
$420.81
Siemens
80
690
3VL1708-2DD33-0AA0
3VL1708-2DD33-0AA0
Limited Stock
From
Get Price
Siemens
80
690
3VL1712-1DA33-0AA0
3VL1712-1DA33-0AA0
In Stock
From
$790.02
Siemens
125
690
3VL1712-1DD33-0AA0
3VL1712-1DD33-0AA0
In Stock
From
$768.01
Siemens
125
690
3VL1712-1DD36-0AA0
3VL1712-1DD36-0AA0
In Stock
From
$1,615.30
Siemens
125
690
3VL2710-1DC33-0AA0
3VL2710-1DC33-0AA0
In Stock
From
$911.74
Siemens
100
690
3VL3720-1DC36-0AA0
3VL3720-1DC36-0AA0
In Stock
From
$1,585.30
Siemens
200
690
3VL3725-1DC36-0AA0
3VL3725-1DC36-0AA0
In Stock
From
$2,578.13
Siemens
250
690
5SJ4102-8HG41
5SJ4102-8HG41
In Stock
From
$68.69
Siemens
2
240
5SJ4104-7HG41
5SJ4104-7HG41
In Stock
From
$50.24
Siemens
4
240
5SJ4110-7HG40
5SJ4110-7HG40
In Stock
From
$62.52
Siemens
10
240
5SJ4110-7HG41
5SJ4110-7HG41
In Stock
From
$139.51
Siemens
10
240
5SJ4111-7HG40
5SJ4111-7HG40
In Stock
From
$60.99
Siemens
5
240
5SJ4111-8HG40
5SJ4111-8HG40
In Stock
From
$62.57
Siemens
5
240
5SJ4113-7HG40
5SJ4113-7HG40
In Stock
From
$65.80
Siemens
13
240
5SJ4116-6HG40
5SJ4116-6HG40
In Stock
From
$72.72
Siemens
16
240
5SJ4202-7HG41
5SJ4202-7HG41
In Stock
From
$98.10
Siemens
2
240
5SJ4203-7HG41
5SJ4203-7HG41
In Stock
From
$172.49
Siemens
3
240
5SJ4204-8HG41
5SJ4204-8HG41
In Stock
From
$120.27
Siemens
4
240
5SJ4210-7HG41
5SJ4210-7HG41
In Stock
From
$34.50
Siemens
10
240
5SJ4211-7HG41
5SJ4211-7HG41
In Stock
From
$97.27
Siemens
5
240
5SJ4211-8HG41
5SJ4211-8HG41
In Stock
From
$137.32
Siemens
5
240
5SJ4350-7HG41
5SJ4350-7HG41
In Stock
From
$474.05
Siemens
50
240
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.