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6 en | Safety Power Supply
AR18-10-B002 | v1.1 | 2011.10 Installation manual Bosch Security Systems
7. Overloading - Do not overload outlets and extension cords.
This can cause fire or electrical shock.
8. Power cord and plug protection - Protect the plug and
power cord from foot traffic, being pinched by items
placed upon or against them at electrical outlets, and its
exit from the unit. For units intended to operate with
230 VAC, 50 Hz, the input and output power cord must
comply with the latest versions of IEC Publication 227 or
IEC Publication 245.
9. Power disconnect - Units have power supplied to the unit
whenever the power cord is inserted into the power
source. The power cord plug is the main power disconnect
device for switching off the voltage for all units.
10. Power sources - Operate the unit only from the type of
power source indicated on the label. Before proceeding,
be sure to disconnect the power from the cable to be
installed into the unit.
– For battery powered units, refer to the operating
instructions.
– For external power supplied units, use only the
recommended or approved power supplies.
– For limited power source units, this power source
must comply with EN60950. Substitutions may
damage the unit or cause fire or shock.
– For 24 VAC units, voltage applied to the unit's power
input should not exceed ±10%, or 28 VAC. User-
supplied wiring must comply with local electrical
codes (Class 2 power levels). Do not ground the
supply at the terminals or at the unit's power supply
terminals.
– If unsure of the type of power supply to use, contact
your dealer or local power company.
11. Servicing - Do not attempt to service this unit yourself.
Opening or removing covers may expose you to dangerous
voltage or other hazards. Refer all servicing to qualified
service personnel.