Installation
3.11 Connections and cables
SINAMICS G120D converter
44 Getting Started, 07/2016, FW V4.7 SP6, A5E38556189B AA
Danger to life when live parts are touched in the motor terminal box
Hazardous voltage can be present on the pins for temperature sensor and motor holding
brake. Touching live parts on the motor cable and in the motor terminal box can lead to
death due electrical shock.
• Keep the motor terminal box closed whenever the mains is applied to the converter.
• Insulate the cables that are not used.
• Use appropriate insulation on the cables.
Damage of the converter by disconnecting the motor during operation
The disconnection of the motor cable by a switch or contactor during operation may
damage the converter.
• Disconnect converter and motor during operation only if it is necessary in terms of
personal security or machine protection.
Material damage from inappropriate supply system V
t
> 1%
Operating the converter on an inappropriate supply system can cause damage to the
converter and other loads.
• Only operate the converter on supply systems with V
t
≤ 1%.
Image 3-18 PM250D connectors
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