OPERATING STATE SHOWN
The diagram illustrates the components in the following conditions:
-
circuit-breaker open and racked-in
circuits de-energized
releases not tripped
closing springs discharged
KEY
*
=
See note indicated by the letter
A1
=
Applications located on the mobile part of the circuit-breaker
A3
=
Applications located on the fixed part of the circuit-breaker: new
EKIP CARTRIDGE
A3M
=
Applications located on the fixed part of old GE M-PACT, GE M-PACT
Plus o GEC ALSTHOM M-PACT
, Legrand DMX, Legrand DPX, BTicino
Megabreak, F.T.M.C. Power-WAVE Plus
circuit-breaker
A4
=
Indicative switchgear and connections for operation and signaling,
outside circuit-breaker
BUS1
=
Serial interface with external bus
BUS2
=
Redundant serial interface with external bus
LINK BUS =
Interface with external Link bus
D
=
Electronic time-delay device for undervoltage release coil YU,
outside circuit-breaker
GZi(DBi)
=
Zone selectivity input for G protection or input in “reverse” direction
for D protection
GZo(DBo) =
Zone selectivity output for G protection or output in “reverse”
direction for D protection
I 01…02
=
Programmable digital inputs
I 41…43 51…53
=
Analog inputs from temperature sensor
I 44-54
=
Analog inputs from 4-20mA sensor
K51
Electronic overcurrent protection trip unit of the types: EKIP DIP,
EKIP
TOUCH, EKIP HI-TOUCH, EKIP G TOUCH, EKIP G HI-TOUCH
K51/COM =
Communication module
K51/MEAS =
Measurement module
K51/SIGN =
Signaling module
K51/SUPPLY =
Auxiliary supply module (110-240VAC/DC and 24-48VDC)
K51/SYNC =
Synchronizing module
K51/TEMP =
Temperature monitoring module
K51/YC
=
Closing control from the EKIP protection trip unit
K51/YO
=
Opening control from the EKIP protection trip unit
M
=
Motor for closing springs charging
O 01...32 =
Programmable signaling contacts
O SC
=
Synchronism monitoring contact
Q
=
Circuit-breaker
Q/1 10
=
Auxiliary open/closed contacts of the circuit-breaker
Q/26-27
=
Auxiliary open/closed contacts used internally by the trip unit
RC
=
RC (residual current) protection sensor
RTC EKIP =
Auxiliary ready to close contact of circuit-breaker, used internally by
the trip unit
RTC
=
Contact for signalling circuit-breaker is ready to close
S33M/1-2 =
Limit contacts of spring loading motor
S43
=
Switch for presetting remote / local control
S51-S51/2 =
Trip signalling contacts
S75/1…6 =
Contacts for signaling circuit-breaker in racked-out, test and
racked-in position
SC
=
Pushbutton or contact for closing the circuit-breaker
SO
=
Pushbutton or contact for immediate opening circuit-breaker
SO1
=
Pushbutton or contact for opening circuit-breaker with time-delayed
trip
SR
=
Pushbutton or contact for electrical resetting of S51 trip contact
SZi(DFi)
=
Zone selectivity input for S protection or input in “direct” direction
for D protection
SZo(DFo) =
Zone selectivity output for S protection or output in “direct” direction
for D protection
TI/L1-L2-L3 =
L1-L2-L3 phase current transformer
TI/N
=
Current transformer on neutral conductor
TU1-2
=
Insulation voltage transformer (outside circuit-breaker)
Uaux
=
Auxiliary supply voltage
UI/L1-L2-L3 =
L1-L2-L3 phase current sensor
UI/N
=
Current sensor on neutral conductor
UI/O
=
Homopolar current sensor
W2
=
Serial interface with internal bus (local bus)
W9…14
=
Connector RJ45 for interface unit and for communication modules
W9R…12R =
Connector RJ45 for redundant communication modules
X
Delivery connector for auxiliary circuits for new EMAX E2.2-
E
4.2
circuit-breaker
XB1…XB7 =
Connectors for circuit-breaker applications
XCT2
=
New EKIP CARTRIDGE terminal board
XK1…XK3 =
Connectors for auxiliary circuits of the EKIP protection trip unit
XK7
=
Connector for auxiliary circuits of communication modules
XX
=
Delivery connector for auxiliary circuits for old GE M-PACT, GE
M-PACT Plus o GEC ALSTHOM M-PACT,
, Legrand DMX, Legrand DPX,
BTicino Megabreak, F.T.M.C. Power-WAVE Plus
circuit-breaker
XXF
=
Delivery terminal board for position for old GE M-PACT, GE M-PACT
Plus o GEC ALSTHOM M-PACT,
, Legrand DMX, Legrand DPX, BTicino
Megabreak, F.T.M.C. Power-WAVE Plus
circuit-breaker
YC
=
Closing coil
YC2
=
Second closing coil
YO
=
Opening coil
YO1
=
Coil for opening due to overcurrent
YO2
=
Second opening coil
YR
=
Coil for electrical resetting of trip contact S51
YU
=
Undervoltage coil
=
=