Manual 7SJ46
Installation and commissioning
C53000-K1174-C002-4
59
Make the wiring of the 7SJ46 protection device as specified in the
circuit diagram (Figure 2-9).
Figure 2-9
Termination diagram 7SJ46
2.9.4 Commissioning
L3
L2
L1
24V - 250V DC
115V, 230V AC
TRIP or
TRIP
Pickup
Live status
contact
=
+~
-~
X2_6
X2_5
X2_4
X2_3
X2_2
X2_1
X1_3
X1_2
X1_1
X1_9
X1_8
X1_5
X1_4
X1_7
X1_6
WARNING!
Hazardous voltages are present in this electrical equipment during
operation. Severe personal injury or property damage can result if the
device is not handled properly.
Only qualified personnel shall work on and around this equipment
after becoming thoroughly familiar with all warnings and safety
notices in this instruction manual as well as with the applicable safety
steps, safety regulations, and precautionary measures.
Particular attention must be drawn to the following:
•
The device is to be earthed to the substation earth before any other
connections are made.
•
Hazardous voltages can exist in the power supply and at the
connections to current transformers, voltage transformers, and test
circuits.
•
Hazardous voltages can be present in the device even after the
power supply voltage has been removed, i.e. capacitors can still be
charged.
•
The limit values given in Technical Data (see 2.11) must not be
exceeded, neither during testing nor during commissioning.
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