Connecting Ac Power - Siemens SIMATIC NET RUGGEDCOM RS400 Installation Manual

Installing the Device
2.6.1 Connecting AC Power
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2.6.1

Connecting AC Power

To connect a high AC power supply to the device, do the following:
Electrical hazard – risk of damage to equipment
Before testing the dielectric strength (HIPOT) in the field, remove the braided
ground cable connected to the surge ground terminal and chassis ground. This cable
connects transient suppression circuitry to chassis ground and must be removed in
order to avoid damage to transient suppression circuitry during testing.
14
For 88-300 VDC rated equipment, an appropriately rated circuit breaker must be
installed.
For 100-240 VAC rated equipment, an appropriately rated circuit breaker must
be installed.
Use only #16 gage copper wiring when connecting terminal blocks.
A circuit breaker is not required for 12, 24 or 48 VDC rated equipment.
Power input terminals have reverse polarity protection for 12, 24 and 48 VDC
rated equipment.
Equipment must be installed according to applicable local wiring codes and
standards.
NOTICE
RUGGEDCOM RS400
Installation Manual, 01/2021, C79000-G8976-1016-11