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© 2013 Eaton Corporation
All Rights Reserved
Publication No. TD534-0501002U

Europe, Middle East and Africa

Eaton Electric B.V.
P.O. Box 23
7550 AA Hengelo
The Netherlands
Tel.: +31 74 246 4012
Fax: +31 74 246 4601
SecretariaatCSsystems@eaton.com
www.eatonelectrical.com

South America

Eaton Ltda.
Av. Pierre Simon de Laplace, 751
Cond. Techno Park – Via Anhanguera,
Km 104,5
Campinas - SP - 13069-320 - Brasil
Tel.: +55 19 2117 0000
eatonelectricalbrasil@eaton.com
www.eaton.com.br

Asia Pacific

Eaton Electrical Sector Asia Pacific
Headquarters
No.3 Lane 280 Linhong Road
Changning District
Shanghai 200335, P.R.China
Tel.: +86 21 5200 0099
Fax: +86 21 5200 0200
www.eatonelectrical.com.cn

North America

Eaton Corporation
Electrical Sector
1000 Cherrington Parkway
Moon Township, PA 15108
United States
877-ETN-CARE (877-386-2273)
www.eaton.com

Eaton is a registered trademark
of Eaton Corporation. 

All trademarks are property of their
respective owners. 

Eaton’s electrical business is a global leader with expertise in 
power distribution and circuit protection; backup power protection; 
control and automation; lighting and security; structural solutions 
and wiring devices; solutions for harsh and hazardous 
environments; and engineering services. Eaton is positioned 
through its global solutions to answer today’s most critical 
electrical power management challenges. 

Eaton is a diversified power management company providing 
energy-efficient solutions that help our customers effectively 
manage electrical, hydraulic and mechanical power. The company 
is a global technology leader in electrical products, systems and 
services for power quality, distribution and control, power 
transmission, lighting and wiring products; hydraulics components, 
systems and services for industrial and mobile equipment; 
aerospace fuel, hydraulics and pneumatic systems for commercial 
and military use; and truck and automotive drivetrain and 
powertrain systems for performance, fuel economy and safety. 
Eaton acquired Cooper Industries plc in 2012. Eaton has 
approximately 100,000 employees and sells products to 
customers in more than 150 countries. For more information, 

visit www.eaton.com.cn/electrical

Summary of Contents for W-SLC-7.2

Page 1: ...ation and technical data Product structure and working principles Main device structure Operation principles Fuse interlocking Cradle interlocking Dimensions Schematic wiring diagram Mounting commissioning and operating Receiving handling and storage Commissioning and operating Maintenance Inspection of vacuum interrupter Inspection of contact s wear out Inspection of mechanisms Usage of fuses Rep...

Page 2: ... 66 6 NO 6 NC Coil voltage 120 60 Hz 240 60 Hz 110 50 Hz 220 50 Hz 110 DC 220 DC A B U W X Y Mechanical latch Coil voltage 0 4 5 None 110 50 120 60 Hz 220 50 240 60 Hz IEC SL contactor 7 2 kV 400 A Coil drop out time 30 ms 50 ms 130 ms 250 ms 330 ms 5 6 7 8 9 W SLC 1 SLC014S 5 Y 66 5 with fuses fuses replaced by conductors 1 0 Note fuses are supplied by user IEC 60470 2000 High Voltage Alternative...

Page 3: ...um breaking capacity Rated load and overload characteristics Rated load and overload characteristics Take over current for release operated combination Main loop resistance Closing time Opening time Electrical life category AC3 and AC4 Mechanical life Control Power Supply Auxiliary contact ratings Utilization category Power frequency withstand voltage 1min Lightning withstand voltage 25 opening op...

Page 4: ...the opening signal For contactors with mechanical latch there are two operating coils closing and opening coils To close the contactor a pulse signal is sent to the closing coil and to open the contactor a pulse signal is sent to the opening coil An electronic counter on the front of the unit automatically keeps a record of the number of operations open and close of the contactor Cradle interlocki...

Page 5: ...002U Instructions for the Installation Operation and Maintenance of W SLC 7 2 Effective January 2013 Figure 2 Dimensions Please refer to Figure 2 for W SLC dimensions Note dimension unit mm 4 EATON CORPORATION www eaton com A A ...

Page 6: ...ng diagram The wiring diagrams Fig 3 and Fig 4 show the unit in the withdrawn position and the contactor open The diagram is for reference only please refer to the wiring diagram with the product for most accurate information as customer specific wiring may have been included for a specific purpose Figure 3 5 EATON CORPORATION www eaton com ...

Page 7: ...Technical Data TD534 0501002U Instructions for the Installation Operation and Maintenance of W SLC 7 2 Effective January 2013 Figure 4 6 EATON CORPORATION www eaton com ...

Page 8: ...osition or testing position c Interlock mechanism is used to prevent the racking handle operating with the door open d Interlock mechanism is used to prevent the compartment door opening with the unit in the Service position 2 Connect the secondary connector and apply secondary power and operate the contactor according to procedures Then check whether opening and closing position indicator is work...

Page 9: ...ral times to ensure smooth operation All the parts which need lubrication are lubricated before shipping However if the lubricants have degraded it may be essential to lubricate the parts during annual inspection Usage of fuses Before putting into use check the fuse appearance for completeness wellness cleanness and correct mounting direction The striker pin should be facing the front of the unit ...

Page 10: ...ce people in order to make proper adjustments 3 If users need to conduct parameter testing for the W SLC please pay attention to following notices 3 Use special tool the part No is 534 8161200 for assembling fuse tube to remove movable fuse holder cover see Figure 8 4 Put on clean electrician gloves and remove the fuse see Figure 9 5 Check the sliding connecting spring contact fingers on both ends...

Page 11: ...with expertise in power distribution and circuit protection backup power protection control and automation lighting and security structural solutions and wiring devices solutions for harsh and hazardous environments and engineering services Eaton is positioned through its global solutions to answer today s most critical electrical power management challenges Eaton is a diversified power management...

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