ABB REF 54 Series - High-speed double-pole power outputs (HSPO)

1MRS750527-MUM
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Technical Reference Manual, General
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43
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The high-speed power outputs PS1_4_HSPO1 ... PS1_4_HSPO5 and
PS2_4_HSPO1...PS2_4_HSPO7 can be connected as double-pole outputs where the
object to be controlled (e.g. a circuit breaker) is electrically connected between the
two relay contacts, see the figure below. The high-speed double-pole power output
is recommended to be used for tripping purposes.
When TCS is used (see Table 4.1.8-1 on page 42), the outputs are
connected as shown in Figure 4.1.11.-1 on page 58.
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The high-speed power outputs PS1_4_HSPO1 ... PS1_4_HSPO5 and
PS2_4_HSPO1...PS2_4_HSPO7 can also be connected as single-pole power
outputs where the object to be controlled (e.g. a circuit breaker) is electrically
connected in series with the two relay contacts, see the figure below.
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!
+
-
cbcoil
CB
e.g.
PS1_4_HSPO1...
PS1_4_HSPO5
+
-
doubpole
CB
e.g.
PS1_4_HSPO1...
PS1_4_HSPO5