ABB | SACE Emax 2
Emax E2.2-E4.2-E6.2 circuit-breakers | 4 - Description
13 | © 2013
ABB |
1SDH001000R0002 - L7804
4 - Description
Description of circuit-breaker
The Emax E2.2, E4.2 and E6.2 circuit-breakers consist of a steel structure in which the
operating mechanism, the poles and the auxiliary parts are located.
Each pole, isolated from the others, contains the breaking parts and the current transformer
in its phase.
The structure of the poles differs between selective circuit-breaker or limiter.
The circuit-breaker is available in two types:
• fixed version
• withdrawable
The circuit-breaker in fixed version (see Figure 17) has its own terminals for connection to the
power circuit.
The withdrawable circuit breaker consists of a mobile part (see Figure 18) and of a fixed part
(see Figure 19) for connection through its own terminals to the power circuit.
The coupling between the mobile part and the fixed part is via disconnection contacts mounted
on the fixed part.
Figure 17
Figure 18
Figure 19
Содержание SACE Emax 2
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