Cutler-Hammer VCP-W Gebruiksaanwijzing - Pagina 14
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CS=
CONTROL SWITCH
VERTICAL: NO CIRCUIT (SPRING RETURNE POSITION)
CW: CLOSE
CCW: TRIP
Y=
ANTI PUMP RELAY
M=
CHARGING MOTOR
LS=
LIMIT SWITCH (SHOWN – SPRING DISCHARGED)
ST=
SHUNT TRIP COIL
TD=
TIME DELAY RELAY: SEALS IN TO COMPLETE CHARGING &
CLOSING, 20 SECONDS DELAY ON DROPOUT, BLOCKS
TRIPPING FOR 20 SECONDS AFTER CLOSING
a=
AUXILIARY SWITCH CONTACT
b=
AUXILIARY SWITCH CONTACT
SR=
SPRING RELEASE COIL
R=
BRIDGE RECTIFIER
PS=
POSITION SWITCH (PREVENTS CHARGING BETWEEN "TEST:
AND "CONNECTED" POSITIONS)
FIGURE 4 – CONTROL SCHEME – POWER TRIP
I.B. 792A190B
April 1999