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4.3.2
Power Supply
The power supply is connected using a 3-pin plug-in terminal block with a screw
locking mechanism.
Figure 11: ELS TP80
Warning
!
Industrial Ethernet ELS TP80 switches are designed for operation with safety
extra-low voltage. This means that only safety extra-low voltages (SELV)
complying with IEC950/EN60950/ VDE0805 can be connected to the power supply
terminals.
The power supply unit to supply the ELS TP80 must comply with NEC Class 2
(voltage range 18 - 32 V, current requirement 150 mA).
Never connect the ELS to a.c. power supplies or d.c. power supplies greater than
32 V d.c.
Power Supply
The power supply is connected over a high resistance with the enclosure to allow
an ungrounded setup. The ELS TP80 device can also be grounded using the PE
screw terminal on the terminal block.
Industrial Ethernet
A5E00152007-03
Ports and Displays
33
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