Page 205 - Sace Emax 2 Catalogue

ELECTRIC AL DIAGR AMS 9/5

TI/L1 = Current transformer phase L1
TI/L2 = Current transformer phase L2
TI/L3 = Current transformer phase L3
TI/N = Current transformer on neutral
TU1…TU2 = Insulation voltage transformer
(outside circuit-breaker)
Uaux = Auxiliary supply voltage
UI/L1 = Current sensor phase L1
UI/L2 = Current sensor phase L2
UI/L3 = Current sensor on phase L3
UI/N = Current sensor on neutral
UI/O = Single-pole current sensor
W2 = Serial interface with internal bus
(local bus)
W9…W13 = RJ45 connector for communication
modules
W9R.W11R = RJ45 connector for redundant
communication modules
X = Delivery connector for auxiliary cir-
cuits for withdrawable version of
circuit-breaker
XB1...XB7 = Connectors for circuit-breaker
applications
XF = Delivery terminal board for
position contacts of withdrawable
version of circuit-breaker
XK1…XK3 = Connectors for auxiliary circuits of
the EKIP protection trip unit
XK7 = Connector for auxiliary circuits of
communication module
XV = Delivery terminal box for auxiliary
circuits of fixed version circuit-
breaker 09
YC = Closing coil
YC2 = Second closing coil
YO = Opening coil
YO1 = Opening coil for overcurrent
YO2 = Second opening coil
YR = Coil for electrical resetting of trip
contact S51
YU = Undervoltage coil