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)

SizeVoltage RatingkARef Cat#Price (Retail)
15A,1P240V1045
20A,1P240V1045
25A,1P240V1045
30A,1P240V1045
35A,1P240V1045
40A,1P240V1045
45A,1P240V1045
50A,1P240V1045
60A,1P240V1045
70A,1P240V1080
15A,2P240V1095
20A,2P240V1095
25A,2P240V1095
30A,2P240V1095
35A,2P240V1095
40A,2P240V1095
45A,2P240V1095
50A,2P240V1095
60A,2P240V1095
70A,2P240V10180
80A,2P240V10260
90A,2P240V10260
100A,2P240V10260
110A,2P240V10550
125A,2P240V10550
15A,3P240V10295
20A,3P240V10295
25A,3P240V10295
30A,3P240V10295
35A,3P240V10295
40A,3P240V10295
45A,3P240V10295
50A,3P240V10295
60A,3P240V10295
70A,3P240V10400
80A,3P240V10450
90A,3P240V10450
100A,3P240V10450
15A,1P240V2280
20A,1P240V2280
25A,1P240V2280
30A,1P240V2280
15A,2P240V22180
20A,2P240V22180
25A,2P240V22180
30A,2P240V22180
40A,2P240V22180
50A,2P240V22180
60A,2P240V22180
70A,2P240V22290
80A,2P240V22400
90A,2P240V22400
100A,2P240V22400
110A,2P240V221200
125A,2P240V221200
150A,2P240V221200
15A,3P240V22450
20A,3P240V22450
25A,3P240V22450
30A,3P240V22450
40A,3P240V22450
50A,3P240V22450
60A,3P240V22450
70A,3P240V22570
80A,3P240V22650
90A,3P240V22650
100A,3P240V22650
110A,3P240V222000
125A,3P240V222000
150A,3P240V222000

** 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)

SizeVoltage RatingkARef Cat#Price (Retail)
70A,2P 600V18250A Frame1800
80A,2P600V18250A Frame1800
90A,2P600V18250A Frame1800
100A,2P600V18250A Frame1800
110A,2P600V18250A Frame4500
125A,2P600V18250A Frame4500
150A,2P600V18250A Frame4500
175A,2P600V18250A Frame4500
200A,2P600V18250A Frame4500
225A,2P600V18250A Frame4500
250A,2P600V18250A Frame6500
70A,3P600V18250A Frame2200
80A,3P600V18250A Frame2200
90A,3P600V18250A Frame2200
100A,3P600V18250A Frame2200
110A,3P600V18250A Frame5200
125A,3P600V18250A Frame5200
150A,3P600V18250A Frame5200
175A,3P600V18250A Frame5500
200A,3P600V18250A Frame5500
225A,3P600V18250A Frame5500
250A,3P600V18250A Frame5500
125A,2P600V22400A Frame4000
150A,2P600V22400A Frame4000
175A,2P600V22400A Frame4000
200A,2P600V22400A Frame4000
225A,2P600V22400A Frame4000
250A,2P600V22400A Frame4000
300A,2P600V22400A Frame4000
350A,2P600V22400A Frame4000
400A,2P600V22400A Frame4000
125A,3P600V22400A Frame5000
150A,3P600V22400A Frame5000
175A,3P600V22400A Frame5000
200A,3P600V22400A Frame5000
225A,3P600V22400A Frame5000
250A,3P600V22400A Frame5000
300A,3P600V22400A Frame5000
350A,3P600V22400A Frame5000
400A,3P600V22400A Frame5000
300A,3P600V251000A Frame9500
350A,3P600V251000A Frame9500
400A,3P600V251000A Frame9500
450A,3P600V251000A Frame9500
500A,3P600V251000A Frame9500
600A,3P600V251000A Frame9500
700A,3P600V251000A Frame12000
800A,3P600V251000A Frame12000
1000A,3P600V251000A Frame21000