Connect The Protective Conductor - Siemens SINAMICS S220 Equipment Manual

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Motor Modules
8.5 Motor Modules 85 A, 132 A and 200 A
Proceed as follows to connect the shield of the cable(s) connected to terminals X21:
1. Screw the shield connection clamp into the M4 threaded socket next to the EP terminal.
Tightening torque: 1.8 Nm (15.93 lbf in)
2. Remove the cable sheath and fix the cable in the shield connection clamp (stripped length of
the shield: 22 mm).
More information
More detailed instructions are provided in the accessories pack sheet or in the online catalog of
the Weidmüller company for shield connection clamp, type KLBUE 3-8 SC.
8.5.11

Connect the protective conductor

Overview
Motor Modules are designed for use in control cabinets with a protective conductor connection.
The protective conductor is connected to the central PE busbar in the control cabinet.
Requirement
Electric shock if there is no ground connection
When the protective conductor connection of devices with protection class I is missing or
incorrectly implemented, high voltages can be present at open, exposed parts, which when
touched, can result in death or severe injury.
• Ground the device in compliance with the applicable regulations.
The following requirement must be met:
• Use a ring or pipe-type cable lug M8.
Required tools:
• Hexagon size 13
Procedure
Proceed as follows to connect the protective conductor to the protective conductor connection
of the Motor Module:
1. Prepare the cable with an appropriate ring/tubular cable lug.
2. Connect the protective conductor to the component using the screw for the protective
conductor connection.
3. Tighten the screw. Hexagon size 13. Tightening torque: 13 Nm (115 lbf in)
234
WARNING
Booksize power units
Equipment Manual, 09/2023, A5E53307519B AA

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