SK 500E – Users Manual for Frequency Inverters
20
BU 0500 EN-3021
WARNING
Electric shock
In case of a fault, insufficient earthing may cause an electric shock with possibly fatal consequences if the device
is touched.
Because of this, the device is only intended for permanent connection and may not be operated without effective
earthing connections which comply with local regulations for large leakage currents (> 3.5 mA).
EN 50178 / VDE 0160 stipulates the installation of a second earthing conductor or an earthing conductor with a
cross-section of at least 10 mm
2
. (
), (
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WARNING
Danger of injury if motor starts
With certain setting conditions, the device or the motor which is connected to it may start automatically when the
mains are switched on. The machinery which it drives (press / chain hoist / roller / fan etc.) may then make an
unexpected movement. This may cause various injuries, including to third parties.
Before switching on the mains, secure the danger area by warning and removing all persons from the danger
area.
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CAUTION
Danger of burns
The heat sink and all other metal components can heat up to temperatures above 70 °C.
Touching such components may cause local burns to the affected parts of the body (hands, fingers, etc.).
To prevent such injuries, allow sufficient time for cooling down before starting work - the surface temperature
should be checked with suitable measuring equipment. In addition, keep a sufficient distance from adjacent
components during installation, or install protection against contact.
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NOTICE
Damage to the device
For single phase operation (115 / 230 V) the mains impedance must be at least 100 µH for each conductor. If this
is not the case, a mains choke must be installed.
Failure to comply with this may cause damage to the device due to impermissible currents in the components.
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NOTICE
EMC - Interference
The device is a product which is intended for use in an industrial environment and is subject to sales restrictions
according to IEC 61800-3. Use in a residential environment may require additional EMC measures.
(
For example, electromagnetic interference can be reduced by the use of an optional mains filter.
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NOTICE
Leakage and residual currents
Due to their principle of operation (e.g. due to integrated mains filters, mains units and capacitors), the devices
generate leakage currents. For correct operation of the device on a current-sensitive RCD, the use of an all-
current sensitive earth leakage circuit breaker (Type B) compliant with EN 50178 / VDE 0160 is necessary.
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Information
Operation on TN- / TT- / IT- networks
The devices are suitable for operation on TN or TT networks as well as for IT networks with the configuration of
the integrated mains filter. (
Section 2.9.2 "Adaptation to IT networks")
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Summary of Contents for BU 0500
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