Breakers

Breakers
An electrical circuit breaker is a crucial component in the protection and control of electrical systems. Serving as a safety device, it is designed to interrupt the flow of electric current in the event of overloads, short circuits, or faults within a circuit. The primary function of a circuit breaker is to prevent damage to electrical equipment, avoid electrical fires, and ensure the safety of the overall electrical system.
The operation of a circuit breaker involves a switch-like mechanism that can be manually or automatically controlled. When a fault occurs, causing an abnormal surge in current, the circuit breaker detects the anomaly. In response, it rapidly opens the circuit by moving its internal contacts apart. This separation interrupts the flow of current and effectively isolates the faulty section of the electrical system.
Circuit breakers are equipped with various technologies, including thermal, magnetic, or a combination of both, to sense abnormal conditions and trigger the interruption of current. Thermal mechanisms respond to overloads, while magnetic elements react to short circuits. Modern circuit breakers often incorporate electronic components for enhanced precision and additional features such as remote monitoring.
In summary, an electrical circuit breaker acts as a crucial safety device by automatically disconnecting electrical circuits during abnormal conditions, preventing damage to equipment and ensuring the reliability and safety of electrical systems.
Breakers MCCB : Bolt On Type 240V 10kAIC (Square D QOB)
Size | Voltage Rating | kA | Ref Cat# | Price (Retail) |
---|---|---|---|---|
15A,1P | 240V | 10 | 45 | |
20A,1P | 240V | 10 | 45 | |
25A,1P | 240V | 10 | 45 | |
30A,1P | 240V | 10 | 45 | |
35A,1P | 240V | 10 | 45 | |
40A,1P | 240V | 10 | 45 | |
45A,1P | 240V | 10 | 45 | |
50A,1P | 240V | 10 | 45 | |
60A,1P | 240V | 10 | 45 | |
70A,1P | 240V | 10 | 80 | |
15A,2P | 240V | 10 | 95 | |
20A,2P | 240V | 10 | 95 | |
25A,2P | 240V | 10 | 95 | |
30A,2P | 240V | 10 | 95 | |
35A,2P | 240V | 10 | 95 | |
40A,2P | 240V | 10 | 95 | |
45A,2P | 240V | 10 | 95 | |
50A,2P | 240V | 10 | 95 | |
60A,2P | 240V | 10 | 95 | |
70A,2P | 240V | 10 | 180 | |
80A,2P | 240V | 10 | 260 | |
90A,2P | 240V | 10 | 260 | |
100A,2P | 240V | 10 | 260 | |
110A,2P | 240V | 10 | 550 | |
125A,2P | 240V | 10 | 550 | |
15A,3P | 240V | 10 | 295 | |
20A,3P | 240V | 10 | 295 | |
25A,3P | 240V | 10 | 295 | |
30A,3P | 240V | 10 | 295 | |
35A,3P | 240V | 10 | 295 | |
40A,3P | 240V | 10 | 295 | |
45A,3P | 240V | 10 | 295 | |
50A,3P | 240V | 10 | 295 | |
60A,3P | 240V | 10 | 295 | |
70A,3P | 240V | 10 | 400 | |
80A,3P | 240V | 10 | 450 | |
90A,3P | 240V | 10 | 450 | |
100A,3P | 240V | 10 | 450 | |
15A,1P | 240V | 22 | 80 | |
20A,1P | 240V | 22 | 80 | |
25A,1P | 240V | 22 | 80 | |
30A,1P | 240V | 22 | 80 | |
15A,2P | 240V | 22 | 180 | |
20A,2P | 240V | 22 | 180 | |
25A,2P | 240V | 22 | 180 | |
30A,2P | 240V | 22 | 180 | |
40A,2P | 240V | 22 | 180 | |
50A,2P | 240V | 22 | 180 | |
60A,2P | 240V | 22 | 180 | |
70A,2P | 240V | 22 | 290 | |
80A,2P | 240V | 22 | 400 | |
90A,2P | 240V | 22 | 400 | |
100A,2P | 240V | 22 | 400 | |
110A,2P | 240V | 22 | 1200 | |
125A,2P | 240V | 22 | 1200 | |
150A,2P | 240V | 22 | 1200 | |
15A,3P | 240V | 22 | 450 | |
20A,3P | 240V | 22 | 450 | |
25A,3P | 240V | 22 | 450 | |
30A,3P | 240V | 22 | 450 | |
40A,3P | 240V | 22 | 450 | |
50A,3P | 240V | 22 | 450 | |
60A,3P | 240V | 22 | 450 | |
70A,3P | 240V | 22 | 570 | |
80A,3P | 240V | 22 | 650 | |
90A,3P | 240V | 22 | 650 | |
100A,3P | 240V | 22 | 650 | |
110A,3P | 240V | 22 | 2000 | |
125A,3P | 240V | 22 | 2000 | |
150A,3P | 240V | 22 | 2000 |
** Note that pricing shown is for reference only. Please consult your local sales representative for accurate up to date pricing for your specific region.
Breakers MCCB : Bolt On Type 600V Switchboard Type (Square D)
Size | Voltage Rating | kA | Ref Cat# | Price (Retail) |
---|---|---|---|---|
70A,2P | 600V | 18 | 250A Frame | 1800 |
80A,2P | 600V | 18 | 250A Frame | 1800 |
90A,2P | 600V | 18 | 250A Frame | 1800 |
100A,2P | 600V | 18 | 250A Frame | 1800 |
110A,2P | 600V | 18 | 250A Frame | 4500 |
125A,2P | 600V | 18 | 250A Frame | 4500 |
150A,2P | 600V | 18 | 250A Frame | 4500 |
175A,2P | 600V | 18 | 250A Frame | 4500 |
200A,2P | 600V | 18 | 250A Frame | 4500 |
225A,2P | 600V | 18 | 250A Frame | 4500 |
250A,2P | 600V | 18 | 250A Frame | 6500 |
70A,3P | 600V | 18 | 250A Frame | 2200 |
80A,3P | 600V | 18 | 250A Frame | 2200 |
90A,3P | 600V | 18 | 250A Frame | 2200 |
100A,3P | 600V | 18 | 250A Frame | 2200 |
110A,3P | 600V | 18 | 250A Frame | 5200 |
125A,3P | 600V | 18 | 250A Frame | 5200 |
150A,3P | 600V | 18 | 250A Frame | 5200 |
175A,3P | 600V | 18 | 250A Frame | 5500 |
200A,3P | 600V | 18 | 250A Frame | 5500 |
225A,3P | 600V | 18 | 250A Frame | 5500 |
250A,3P | 600V | 18 | 250A Frame | 5500 |
125A,2P | 600V | 22 | 400A Frame | 4000 |
150A,2P | 600V | 22 | 400A Frame | 4000 |
175A,2P | 600V | 22 | 400A Frame | 4000 |
200A,2P | 600V | 22 | 400A Frame | 4000 |
225A,2P | 600V | 22 | 400A Frame | 4000 |
250A,2P | 600V | 22 | 400A Frame | 4000 |
300A,2P | 600V | 22 | 400A Frame | 4000 |
350A,2P | 600V | 22 | 400A Frame | 4000 |
400A,2P | 600V | 22 | 400A Frame | 4000 |
125A,3P | 600V | 22 | 400A Frame | 5000 |
150A,3P | 600V | 22 | 400A Frame | 5000 |
175A,3P | 600V | 22 | 400A Frame | 5000 |
200A,3P | 600V | 22 | 400A Frame | 5000 |
225A,3P | 600V | 22 | 400A Frame | 5000 |
250A,3P | 600V | 22 | 400A Frame | 5000 |
300A,3P | 600V | 22 | 400A Frame | 5000 |
350A,3P | 600V | 22 | 400A Frame | 5000 |
400A,3P | 600V | 22 | 400A Frame | 5000 |
300A,3P | 600V | 25 | 1000A Frame | 9500 |
350A,3P | 600V | 25 | 1000A Frame | 9500 |
400A,3P | 600V | 25 | 1000A Frame | 9500 |
450A,3P | 600V | 25 | 1000A Frame | 9500 |
500A,3P | 600V | 25 | 1000A Frame | 9500 |
600A,3P | 600V | 25 | 1000A Frame | 9500 |
700A,3P | 600V | 25 | 1000A Frame | 12000 |
800A,3P | 600V | 25 | 1000A Frame | 12000 |
1000A,3P | 600V | 25 | 1000A Frame | 21000 |