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Instruction Leaflet 

    

Instructions for Installation,

 

Page 1

 

Effective: January 2014 

Operation and Maintenance of the 

 

 

SL800 7.2 Kilovolt, 720 Ampere Vacuum Contactor 

 

For more information visit: 

www.eaton.com

 

IB48087

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HAZARDOUS VOLTAGE 

 
Read and understand these instructions before attempting any installation, operation or 
maintenance of the SL vacuum contactor.

  

Retain this document for future use. 

 
This equipment shall be installed and serviced only by qualified electrical personnel.  A 
qualified person is one who is familiar with the construction and operation of this equipment 
and who is aware of the hazards involved.

 

 

 

 

Instructions for Installation, Operation and Maintenance of the 

SL800 Classic

 7.2 Kilovolt, 720 Amp. Vacuum contactor 

 
Instruction Bulletin 

Summary of Contents for SL800 Classic

Page 1: ...attempting any installation operation or maintenance of the SL vacuum contactor Retain this document for future use This equipment shall be installed and serviced only by qualified electrical personnel A qualified person is one who is familiar with the construction and operation of this equipment and who is aware of the hazards involved Instructions for Installation Operation and Maintenance of th...

Page 2: ... 6000 5000 4500 50 350 000 6200 7200 8000 10000 8000 6000 50 570 000 TABLE II RATINGS Maximum Interrupting Current 3 Operations 12 500A Control Voltages AC 110 120 220 240 Volts Rated Current 720 Amperes 50 60 Hz Maximum Rated Voltage 7 200 Volts DC 125 Volts Making Breaking Capacity Control Circuit Burden Rated Volt AC4 Make 8 000 Amperes UL 7 650 Amperes IEC Closing 2600 VA AC4 Break 6 400 Amper...

Page 3: ...arter 4 Disconnect the control plug and stow it so that the cable will not be damaged Disconnect the two 3 point separable terminal blocks on the right front of the isolating switch 5 Trip the latch on the left side by holding it upward using your foot if desired when unit is at floor level 6 While holding the latch up pull the contactor out ward It will roll forward and should re latch at a deten...

Page 4: ...1 and 2 The control board rectifies the input voltage and applies a pulse width modulated DC output voltage to the coil The output voltage is approximately full voltage for the first 200 milliseconds after energization during which time the contactor closes and seals The output voltage is then automatically reduced to approximately 15 VDC to maintain the contactor in the closed position The coil c...

Page 5: ...circuit The L63 interlock used in the economizing circuit on the SJA800A contactor is therefore not needed in this design It has been removed from the SL800 Classic contactor WIRING Refer to Figure 4 for standard control wiring for magnetically held contactors To close the contactor apply power to terminals 1 and 2 on the control board Power must be maintained to terminals 1 and 2 to keep the cont...

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