Schneider Electric LA9G97 Series Mechanical Interlock and Coupling Bars Instruction Manual

LA9G97 Series Mechanical Interlock and Coupling Bars
Instruction Manual LA9G97p / LA9Gp75p / LA9G376p / LA9Gpp33p / LA9GpW601https://download.schneider- electric.com/files?p_Doc_Ref=NNZ4813501

LA9G97 Series Mechanical Interlock and Coupling Bars

DANGER
HAZARD OF ELECTRIC SHOCK, EXPLOSION OR ARC FLASH

• Read and understand this document and the installation guide before installing, operating, or maintaining your TeSys Giga product.
• Apply appropriate personal protective equipment (PPE) and follow safe electrical work practices. See NFPA 70E, CSA Z462, NOM-029-STPS or local equivalent.
• This equipment must only be installed and serviced by qualified electrical personnel.
• Turn off all power supplying this equipment before working on or in this equipment.
• Use only the specified voltage when operating this equipment and any associated products.
• Power line circuits must be wired and protected in compliance with local and national regulatory requirements.
• Beware of potential hazards, and carefully inspect the work area for tools and objects that may have been left inside the equipment.
• Failure to follow these instructions will result in death or serious injury.

PLEASE NOTE

• Electrical equipment should be installed, operated, serviced, and maintained only by qualified personnel.
• No responsibility is assumed by Schneider Electric for any consequences arising out of the use of this material.

WARNING
HAZARD OF FLASHOVER BETWEEN PHASES
Phase separators must be installed if the network voltage is greater than or equal to 690 V~.
Failure to follow these instructions can result in death, serious injury, or equipment damage.

HAZARD OF FIRE

• Use only specified wiring cross-section with the equipment and comply with the specified wiring requirements.
• Tighten the connections to the specified torque values.
  Failure to follow these instructions can result in death, serious injury, or equipment damage.

WARNING: Cancer and Reproductive Harm. For more information go to www.P65Warnings.ca.gov.

Documentation

www.se.com www.se.com/cn

NOTICE
INCORRECT CONTACTOR POSITIONS Respect the dimensions given to fix the contactors.
Failure to follow these instructions will result in the impossibility to use the interlock and the coupling bars.

Contactor Installation for Changeover and Reverser

LC1G205-620C are 3-pole contactors only.

LC1G620C
in.**
3P| 4P| 3P| 4P| 3P| 4P
G| 35
1.38| 70
2.75| 45
1.77| 90
3.54| 70
2.75| 140
5.51
j| 166
6.53| 166
6.53| 187
7.36| 187
7.36| 242
9.52| 242
9.52
X| 92.7
3.65| 92.7
3.65| 115
4.53| 115
4.53| 160
6.30| 160
6.30

Contactor Installation for Star-Delta

LC1G620C
in.**
| 3P| 3P| 3P
G| 35
1.38| 45
1.77| 70
2.75
J| 166
6.53| 187
7.36| 242
9.52
X| 92.7
3.65| 115
4.53| 160
6.29

To ease contactor mounting, drilling stencils JYT1902701 can be downloaded from the www.se.com website.

Mechanical Interlock Installation

LA9G97p:

To carry out installation of the LC1G contactor, consult the instruction sheet GDE2324401/ NNZ9700201.

https://download.schneider-electric.com/files?p_Doc_Ref=GDE2324401
https://download.schneider-electric.com/files?p_Doc_Ref=NNZ9700201

Auxiliary Contacts Installation

• Maximum 3 auxillary contacts can be installed between 2 contactors with mechanical interlock.
• To carry out installation of the auxillary contact, consult the instruction sheet NNZ5266201/NNZ9700401.

https://download.schneider-electric.com/files?p_Doc_Ref=GDE2324401
https://download.schneider-electric.com/files?p_Doc_Ref=NNZ9700201

Changeover Bar Kits

https://youtu.be/hSppIKrWYMo

Star-Delta Bar Kits

Coupling Bar Connection

Schneider Electric Industries SAS
35, rue Joseph Monier
CS 30323
F – 92506 Rueil Malmaison Cedex
www.se.com
Schneider Electric Limited
Stafford Park 5
Telford, TF3 3BL
United Kingdom
www.se.com/uk

References

• P65Warnings.ca.gov
• se.com/cn
• download.schneider-electric.com/files?p_Doc_Ref=DOCA0189ES
• download.schneider-electric.com/files?p_Doc_Ref=DOCA0189FR
• download.schneider-electric.com/files?p_Doc_Ref=DOCA0189PT
• download.schneider-electric.com/files?p_Doc_Ref=DOCA0189RU
• download.schneider-electric.com/files?p_Doc_Ref=DOCA0189ZH
• download.schneider-electric.com/files?p_Doc_Ref=DOCA0191EN
• download.schneider-electric.com/files?p_Doc_Ref=DOCA0191ZH
• GDE2324401-05
• download.schneider-electric.com/files?p_Doc_Ref=JYT1902701
• NNZ5266201-02
• download.schneider-electric.com/files?p_Doc_Ref=NNZ9700201
• download.schneider-electric.com/files?p_Doc_Ref=NNZ9700401

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