Product Description
An Air Circuit Breaker (ACB) is a mechanical switching device designed to interrupt electric current. It is primarily used to protect electrical systems' lines and power equipment from hazards such as overload, undervoltage, and short circuits. ACBs come with various intelligent protection functions, including long-time delay, short-time delay, instantaneous, and ground fault protection, enabling selective protection. Also known as a universal-type circuit breaker, the ACB is typically used as the main switch at the power source end.
Air Circuit Breaker Selection Criteria
|
Feature |
MT630-1600N1 |
MT800-2500N2 |
MT800-4000H1 |
MT800-4000H1b |
MT800-4000H2 |
MT2000-4000H3 |
|
Application |
Low-level short-circuit current applications |
General applications |
Industrial applications with high-level short-circuit current in heavy industry fields |
Industrial applications with high short-circuit current |
High-performance breaker for extreme applications with very high short-circuit current |
In-line switch for very high performance requirements to enhance transformer performance |
|
Icu/cs (440V) |
50kA |
50kA |
65kA |
85kA |
100kA |
150kA |
|
Neutral Line Position |
Left |
Left |
Left or right |
Left |
Left or right |
Left |
|
Fixed Type |
F |
F |
F |
E |
F |
|
|
Draw-out Type |
D |
D |
D |
D |
D |
D |
|
Isolating Switch |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
|
Front Connection |
Yes |
Yes |
Up to 3200A |
Up to 3200A |
Up to 3200A |
Up to 3200A |
|
Rear Connection |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
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