Siemens SENTRON, Manual

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Accessories
9.2 Phase barriers
148
Manual, 08/2017, L1V30368969104A-02
9.2 Phase barriers
Phase barriers are used for safe insulation between the connecting terminals. They are
available for current ratings 250 A to 630 A
For current ratings 800 A to 3200 A, the phase barriers are already included in the scope of
supply.
Figure 9-3 Phase barriers
The scope of supply includes 2 phase barriers (for 3-pole devices) or 3 phase barriers (for 4-
pole devices) depending on the number of poles.
For full protection on the top and bottom of both installed switches, 4 packs must be ordered
in each case.
The optionally available phase barriers are listed in the table below.
Current rating Number of poles Position Product number
250 A 3 poles Top, bottom 3KC9808-1
4 poles 3KC9808-6
400 A
3 poles 3KC9808-1
4 poles 3KC9808-6
630 A 3 poles 3KC9808-2
4 poles 3KC9808-7