3KC3 and 3KC6 transfer switching equipment3KC3 and 3KC6 transfer switching equipment
Mounting and connecting the dual power supply (DPS)
The 3KC3 transfer switching equipment can be supplied from two 230 V AC power supply systems with a dual power supply (3KC9625-1).
Properties of the dual power supply:
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Active starting from 200 V AC at the output
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Maximum voltage at output: 288 V AC
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Frequency: 45 to 65 Hz
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Internal fuse: Each input is protected with a fuse up to 3.15 A.
Mounting the dual power supply
The dual power supply must be mounted on a standard mounting rail.
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Place the dual power supply (3KC9625-1) from above onto the standard mounting rail using the plug-in assembly.
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Align the clip assembly with a screwdriver, as shown in the figure.
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If you have aligned the plug-in assembly on the underside, press the device carefully to the rear until the plug-in assembly audibly engages also on the underside.
Connecting the dual power supply
See the table below for the requirements of the supply lines needed for the connection:
Cu |
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Ue = 240 V AC Uimp = 4 kV |
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0.5 ... 2.5 mm2 |
Ie = 3 A |
|
0.5 ... 1.5 mm2 |
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Strip the cable insulation as shown in the figure below.
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Connect the dual power supply (3KC9625-1) with the appropriate tool in accordance with the figure.
Connect the dual power supply (DPS)