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Rexroth Frequency Converter EFC x610
Series
1.4.5 Protection Against Contact with Hot Parts
Hot surfaces of components of the electric drive and control system. Risk of
burns!
Do not touch hot surfaces of, for example, braking resistors, heat sinks, sup-
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ply units and drive controllers, motors, windings and laminated cores!
According to the operating conditions, temperatures of the surfaces can be
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higher than 60 °C (140 °F) during or after operation.
Before touching motors after having switched them off, let them cool down
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for a sufficient period of time. Cooling down can require up to 140 minutes!
The time required for cooling down is approximately five times the thermal
time constant specified in the technical data.
After switching chokes, supply units and drive controllers off, wait 15 minutes
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to allow them to cool down before touching them.
Wear safety gloves or do not work at hot surfaces.
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For certain applications, and in accordance with the respective safety regula-
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tions, the manufacturer of the machine or installation must take measures to
avoid injuries caused by burns in the final application. These measures can
be, for example: Warnings at the machine or installation, guards (shieldings or
barriers) or safety instructions in the application documentation.
1.4.6 Protection During Handling and Mounting
Risk of injury by improper handling! Injury by crushing, shearing, cutting, hitting!
Observe the relevant statutory regulations of accident prevention.
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Use suitable equipment for mounting and transport.
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Avoid jamming and crushing by appropriate measures.
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Always use suitable tools. Use special tools if specified.
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Use lifting equipment and tools in the correct manner.
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Use suitable protective equipment (hard hat, safety goggles, safety shoes,
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safety gloves, for example).
Do not stand under hanging loads.
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Immediately clean up any spilled liquids from the floor due to the risk of fall-
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ing!
Safety Instructions for Electric Drives and Controls
R912005854_Edition 09 Bosch Rexroth AG
11/653
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