106963 datasheet(17/25 Pages) PHOENIX

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TRIO-PS-2G/1AC/12DC/5/C2LPS

106963_en_00

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Input

The power supply can be operated on single-phase AC or

DC power grids in accordance with the nominal input

voltage. Connection is via the INPUT L+/N- connection

terminal blocks.

For operation on two of the phase conductors of a three-

phase system, an isolating facility for all poles must be

provided.

Figure 11

Network types

13.1

Position of input terminals

Figure 12

Position of input terminals

13.2

Protection of the primary side

Installation of the device must correspond to EN 60950

regulations. It must be possible to disconnect the device

from the voltage using a suitable separator outside the

power supply. For example, the primary-side line protection

is suitable for this (see technical data).

An internal, approved AC/DC fuse is available as device

protection. Additional device protection is not required.

Figure 13

Schematic diagram, switching the input

terminals

N/-

L/+

TN-S

N/-

L/+

PEN

TN-C

N/-

L/+

N/-

L/+

N/-

If an internal fuse trips, this is due to a device

fault. In this case, the device must be

inspected in the factory. Opening the device

or repairing it yourself is prohibited.

L/+

N/-

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