Table of Contents
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Layout of a semiconductor switch unit
￭
1
Door devices. See
2
DC breaker switch [Q3]
3
Terminal block for external control connections [X330]
4
Modbus connector (Ethernet RJ485) [R3.1:X20] on the breaker control interface unit (behind the support)
5
Backup fuses [F3.1, F3.2, option +F260]
6
Cooling inlet manifold with stop and drain valves
7
Heat exchanger
8
Fan [G115.11]
9
Cooling outlet manifold with stop and drain valves
1
6
Control of the semiconductor switch unit (page
Operation principle and hardware description 17
5
4
2
7
8
9
6
3
18).
5
9
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