Safety instructions
Residual hazards
2
l
9
BA 13.0008 − EN 2.1
2.2
Residual hazards
Protection of persons
The motor surfaces can become very hot. Danger of burns when touching!
l
Install a guard, if necessary.
High−frequency voltages can be capacitively transferred to the motor housing
through the inverter supply.
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Carefully earth the motor housing.
Danger of unintentional starting or electrical shocks
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Perform connection work only in the de−energised state, only with motor
in standstill.
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Built−in brakes are not fail−safe brakes.
Device protection
Built−in thermal detectors are
not a full protection
for the machine.
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If necessary, limit the maximum current, perform a function block
interconnection with disconnection after a few seconds of operation with I
> I
N
, particularly if a danger of blocking exists.
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The integrated overload protection does not prevent overload under all
conditions!
Built−in brakes are
not fail−safe brakes
.
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Speed reduction is possible.
Fuses are not a motor protection.
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Use current−dependent motor protection switches for average operating
frequency
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Use built−in thermal detectors at high operating frequency.
Excessive torques lead to a break of the motor shaft or demagnetisation
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Do not exceed the maximum torques according to the catalogue.
Lateral forces from the motor shaft are possible.
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Perfectly align shafts of motor and driving machine to each other.
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Speeds >3000 min
−1
destroy the motor.
Fire protection
Fire hazard
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Prevent contact with combustible substances.
2.3
Safety instructions for low−voltage machinery
in conformity with the Low−Voltage Directive 73/23/EEC
1. General
Low−voltage machines have dangerous, live and rotating parts as well as possibly hot
surfaces. All operations serving transport, connection, commissioning and maintenance
are to be carried out by skilled, responsible technical personnel (observe prEN 50110−1/
VDE 0105; IEC 364). Improper handling can cause severe injuries or material damage.
2. Application as directed
These low−voltage machines are intended for industrial and commercial installations.
They comply with the harmonised standards of the series EN60034 (VDE 0530). Their use
in hazardous areas is prohibited unless they are expressly intended for such use (follow
additional instructions).
The enclosures
£
IP 23 are by no means intended for outdoor use. Air cooled designs are rated
for ambient temperatures between −20°C and +40°C and altitudes of
£
1000 m amsl. Check
indications on the nameplate and, if other observe them. The conditions on site must
correspond to all nameplate data.
Low−voltage machines are components for installation in machinery as defined in the
Machinery Directive 89/392/EEC. Commissioning is prohibited until conformity of the end
product with this Directive has been established (observe i.a. EN 60204−1).
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