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3.4
Mounting the converter
3.4.1
Basic installation rules
Requirements
General installation conditions
When installing the converters carefully observe the conditions listed below in order to
guarantee reliable, continuous and disturbance-free operation.
● The converters are designed for installation in a control cabinet.
● The converters are suitable for mounting on non-combustible surfaces only, for example, on
an uncoated metal mounting plate.
● The converters comply with degree of protection IP20 according to IEC 60529. The
converters utilizing push-through technology fulfill a degree of protection of IP20 (UL Open
Type).
● The converters are certified for use in environments with degree of pollution 2 without
condensation, that is in environments where no conductive pollution/dirt occurs.
Condensation is not permissible.
● Ensure that the device is free of dust and dirt. When using a vacuum cleaner, this must
comply with ESD equipment rules.
● Keep the device away from water, solvents and chemicals. Take care to install it away from
potential water hazards, for example, do not install it beneath pipes that are subject to
condensation. Avoid installing it where excessive humidity and condensation may occur.
● Keep the device within the maximum and minimum operating temperatures. At
temperatures > 40 °C and installation altitudes > 1000 m, the devices must be derated.
● Ensure that the correct level of ventilation and air flow is provided.
● Fast temperature changes of the air drawn in (for example, by using cooling units) are not
permitted due to the danger of condensation.
● Ensure that all converters and the cabinet are grounded according to the EMC guidelines
Converters for systems in the United States/Canada (UL/cUL)
● For a system configuration in conformance with UL/cUL, use the UL/cUL-approved fuses or
circuit breakers under the following Internet address:
109762895)
● The converter of frame size FSA has to be mounted in an enclosure sized min. 500 mm
(height) × 400 mm (depth) × 255 mm (width).
SINAMICS G120X converter
Operating Instructions, 06/2019, FW V1.01, A5E44751209B AC
EMC-compliant setup of the machine or plant (Page 52)
Fuses and circuit breakers
(https://support.industry.siemens.com/cs/ww/en/view/
Mounting
3.4 Mounting the converter
59
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