Eaton DSII Series Instructions For Installation, Operation And Maintenance page 38

Effective July 2010
SECONDARY CONTACTS
BREAKER
(Aux. Switch Contacts)
"a" Contact Open
When Breaker is Open
"b" Contact Open
When Breaker is Closed
(LS Contacts)
N.C. Contacts Open
When Closing Springs are
Fully Charged
N.O. Contacts Close
When Springs are
Fully Charged
Figure 4-9 Basic Schematic and Connection Diagrams for Power Operated Breaker
38
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Instructional Book IB694C694-03
MOT - Spring Charging Motor
LS - Limit Switch (Motor Cut-Off Switch)
SRD - Spring Release Device
STA - Shunt Trip Attachment
Y - Anti-Pump Relay
UVTA - Undervoltage Trip Attachment (Optional)
BOTTOM LEFT ROW,
When Viewed From Front of Breaker
AUXILIARY
SWITCH