Siemens Simatic Box PC 840 V2 Getting Started page 25

Localized information
Outside of the USA and Canada, operation on a 230 V power supply:
This device is equipped with a safety-tested power cord which may only be connected to a
grounded sealed contact power outlet. If you choose not to use this cable, you must use a
flexible cable of the following type: Min 18 AWG conductor cross-section and 15-A / 250-V
shockproof connector. The cable set must be compliant with the safety regulations and
stipulated IDs of the country where the system is to be installed.
For the USA and Canada:
For the United States and Canada, a CSA or UL-listed power cord must be used.
The connector must be compliant with NEMA 5-15.
120 V AC power supply
To be used is a flexible power cord approved to UL and with CSA label, and which has the
following features: Type SJT with three leads, min. 18 AWG conductor cross-section,
max. 4.5 m in length and parallel ground contact connector 15 A, min. 125 V.
240 V supply voltage
Use a flexible power cord with UL approval and with CSA label, and with the following
features: Type SJT with three leads, min. 18 AWG conductor cross-section, max. 4.5 m long
and tandem ground contact connector 15 A, min. 250 V.
Connecting
How to connect the device to the 120 V AC / 230 V AC power supply
1. Make sure that the ON / OFF
2. Connect the IEC connector
3. Connecting the power cord to the
SIMATIC Box PC 840 V2
Getting Started, Edition 05/2006, A5E00244266-02
switch is in "0" position (Off) when
you plug in the power cord in order
to avoid unintentional startup of the
device.
power socket
5.2 Connecting the 120 V / 230 V Ac power supply
Connecting
5-3