Siemens SINAMICS PERFECT HARMONY GH150 User Manual

Connecting power cables
Figure 6-5 Schematic diagram: Connecting power cables
6.8.2 Procedure
To connect the power cables, proceed as follows:
1. Open the cabinet.
2. If there is a controller rack, swing it out of the way.
3. Remove or slide away the cover plate for the power cable entry.
4. Screw the PE protective conductor with an M12 screw at the locations ④ provided in the
cabinet to the appropriate connection with the ground symbol. Observe the torque of 50 Nm.
On this topic, take note of section "Connecting ground (Page 85)".
5. Screw the individual phases of the power cables ① with the connections in the lower area
of the cabinet. To do this, follow the subsequent steps.
6. Insert the M12 screw into the corresponding terminal bar ②.
7. Attach the cable lug.
8. Attach the nuts and, if necessary, the washers. Tighten the nuts with a torque of 50 Nm.
9. Expose the cable shield. Secure the cable on the cable support bar using cable clips ③.
Electrical connection
6.8 Connecting power cables
SINAMICS PERFECT HARMONY GH150 6SL38253AE412AA1-Z
Operating Instructions Rev.201910281231 EXAMPLE 89

Siemens SINAMICS PERFECT HARMONY GH150 Specifications

General

Brand	Siemens
Model	SINAMICS PERFECT HARMONY GH150
Category	DC Drives
Language	English

Summary

Safety Instructions

Warning Symbols and Basic Safety Rules

Explains warning symbols, defines qualified personnel, and lists five safety rules.

Handling Hazards and ESD Precautions

Details hazards from high voltages, arcing, burns, and ESD, with protective measures.

Description

Preparations for Use

Assembly

Assembly Safety, Tools, and Cabinet Connections

Covers assembly safety, required tools, joining cabinets, and water circuit connections.

Electrical Connection

Electrical Safety and EMC

Essential safety rules for electrical connections and electromagnetic compatibility guidelines.

Grounding and Cable Management

Detailed steps for grounding the system and routing signal/power cables effectively.

Power and Auxiliary Voltage Connections

Commissioning

Commissioning Process and Safety Precautions

General information and critical safety warnings for the commissioning phase.

Operation

Operational Safety and Fault Management

Key safety rules during operation and procedures for handling faults and alarms.

Fault and System Message Diagnostics

Maintenance

Maintenance Safety and System Grounding

Safety instructions for maintenance tasks and procedures for system grounding.

Preventive Maintenance and Inspections

Service & Support

Technical Support and Contact Information