Eaton 50DHP-VR Instruction Handbook Manual page 23

Figurt 4.5. Typical AC/DC Schtmatic
VR-Series Circuit Breaker dc Control Schematic
VR-Series Circuit Breaker ac Control Schematic
CS - Breaker Control Switch - close
C
CS - Breaker Control Switch - trip
T
Y - Anti Pump Relay
SR - Spring Release Coil (Close Coil)
M - Spring Charging Motor
ST - Shunt Trip Coil
PR - Protective Relay
O - Terminal Block or Accessible Terminal
PS1 - Position Switch 1
PS2 - Position Switch 2
OPERATION
LS1 Closed until springs are fully charged
bb
LS2 Open until springs are fully charged
aa
LS2 Closed until springs are fully charged
bb
LC Open until mechanism is reset
PS1 Open in all except between 'Test'
and'Connect' positions
PS2 Closed in all except between 'Test'
and 'Connect' positions
Instruction Book
5kV, 7.5kV, & 15kV DHP-VR
Replacement Circuit Breaker
SWITCH TERMINAL
'C' and 'NO'
'C' and 'NC'
'C' and 'NO'
'C' and 'NO'
'C' and 'NC'
'C' and 'NO'
IB182017EN February 2017 www.eaton.com
Brown Switch
Black Switch
Black Switch
Brown Switch
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